AT&T 2500 series инструкция обслуживания

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348

Идти на страницу of

Хорошее руководство по эксплуатации

Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации AT&T 2500 series. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции AT&T 2500 series или обучающее видео для пользователей. Условием остается четкая и понятная форма.

Что такое руководство?

Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции AT&T 2500 series можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.

К сожалению немного пользователей находит время для чтения инструкций AT&T 2500 series, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.

Из чего должно состоять идеальное руководство по эксплуатации?

Прежде всего в инструкции AT&T 2500 series должна находится:
- информация относительно технических данных устройства AT&T 2500 series
- название производителя и год производства оборудования AT&T 2500 series
- правила обслуживания, настройки и ухода за оборудованием AT&T 2500 series
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам

Почему мы не читаем инструкций?

Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск AT&T 2500 series это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок AT&T 2500 series и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта AT&T, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания AT&T 2500 series, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства AT&T 2500 series, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.

После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции AT&T 2500 series. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.

Содержание руководства

  • Страница 1

    AT&T 555-025-201 DEFINITY ® Communications System Network and Data Connectivity[...]

  • Страница 2

    [...]

  • Страница 3

    CONTENTS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ A AB BO OU UT T T TH HI IS S D DO OC CU UM ME EN NT T x xv vi ii i PREREQU[...]

  • Страница 4

    iv CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________________________________[...]

  • Страница 5

    CONTENTS v _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Internal Dial Plan 2-8 Auxiliary Call Information 2-10 Automatic Alterna[...]

  • Страница 6

    vi CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________________________________[...]

  • Страница 7

    CONTENTS vii _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Parallel vs. Serial 7-6 Transmission Speed 7-6 Type of Communications [...]

  • Страница 8

    viii CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 9

    CONTENTS ix _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ USE OF GENERIC 2 AS A SYSTEM CLOCK REFERENCE B-29 USE OF GENERIC 1 AS A[...]

  • Страница 10

    x CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________________________________[...]

  • Страница 11

    CONTENTS xi _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Figure 6-3. Direct Link DCS Connections 6-5 Figure 6-4. Minimized Link [...]

  • Страница 12

    xii CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________[...]

  • Страница 13

    CONTENTS xiii _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Figure B-11. External and Internal Reference Levels B-19 Figure B-12.[...]

  • Страница 14

    xiv CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________[...]

  • Страница 15

    CONTENTS xv _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 8-8. Requirements for PBX-to-PBX Private Network Spectrum Connect[...]

  • Страница 16

    xvi CONTENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________[...]

  • Страница 17

    ABOUT THIS DOCUMENT _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ This document explains how to arrange two or more communication[...]

  • Страница 18

    xviii ABOUT THIS DOCUMENT _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ______________________________________________________________________[...]

  • Страница 19

    ABOUT THIS DOCUMENT xix _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ HOW TO MAKE COMMENTS ABOUT THIS DOCUMENT Reader comment car[...]

  • Страница 20

    xx ABOUT THIS DOCUMENT _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________[...]

  • Страница 21

    1. INTRODUCTION TO CONNECTIVITY _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ This book explains two aspects of communicating thr[...]

  • Страница 22

    1-2 INTRODUCTION TO CONNECTIVITY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________________________[...]

  • Страница 23

    TRANSMISSION TYPES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Both analog and digital transmission can be used to carry inform[...]

  • Страница 24

    1-4 TRANSMISSION TYPES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________[...]

  • Страница 25

    TRANSMISSION TYPES 1-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • Voice: To carry voice over digital transmission faciliti[...]

  • Страница 26

    1-6 TRANSMISSION TYPES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________[...]

  • Страница 27

    TRANSMISSION STATES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ When you plan a communications network, there are certain rules[...]

  • Страница 28

    1-8 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ________________________________________________________________________[...]

  • Страница 29

    TRANSMISSION STATES 1-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • Incoming digital-trunk calls to a digital switch need n[...]

  • Страница 30

    1-10 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________________________________[...]

  • Страница 31

    TRANSMISSION STATES 1-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ DATA TRANSMISSION Because of the variety of protocols that[...]

  • Страница 32

    1-12 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________________________________[...]

  • Страница 33

    TRANSMISSION STATES 1-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Protocols Used The following is a list of the protocols th[...]

  • Страница 34

    1-14 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________________________________[...]

  • Страница 35

    TRANSMISSION STATES 1-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Note that both the physical-layer protocol and the DMI mod[...]

  • Страница 36

    1-16 TRANSMISSION STATES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________________________________[...]

  • Страница 37

    MULTIPLEXED COMMUNICATION _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ As signals are transmitted away from the switch and onto [...]

  • Страница 38

    1-18 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 39

    MULTIPLEXED COMMUNICATION 1-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Line Coding Line coding is the pattern that data ass[...]

  • Страница 40

    1-20 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 41

    MULTIPLEXED COMMUNICATION 1-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Signal Inversion Signal inversion is the replacement[...]

  • Страница 42

    1-22 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 43

    MULTIPLEXED COMMUNICATION 1-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ TABLE 1-7: Data-Module Capabilities (Part 2 of 2) _ [...]

  • Страница 44

    1-24 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 45

    MULTIPLEXED COMMUNICATION 1-25 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ The framing format does not place any requirement on[...]

  • Страница 46

    1-26 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 47

    MULTIPLEXED COMMUNICATION 1-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Facilities using RBS carry digital data at 56 kbps. [...]

  • Страница 48

    1-28 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 49

    MULTIPLEXED COMMUNICATION 1-29 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ MULTIPLEXING OUTSIDE THE SWITCH As signals propagate[...]

  • Страница 50

    1-30 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 51

    MULTIPLEXED COMMUNICATION 1-31 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Compressing the Signal Through a process called adap[...]

  • Страница 52

    1-32 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 53

    MULTIPLEXED COMMUNICATION 1-33 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ AT&T Microwave 0 - 56K ATT terminals T1 D4/CEM D[...]

  • Страница 54

    1-34 MULTIPLEXED COMMUNICATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________[...]

  • Страница 55

    TRUNKING _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Trunks are the transmission medium through which voice and data signals tr[...]

  • Страница 56

    1-36 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 57

    TRUNKING 1-37 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ numbers (without their accompanying location code) are sent over acce[...]

  • Страница 58

    1-38 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 59

    TRUNKING 1-39 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Access can also be switched or nonswitched. • With switched access,[...]

  • Страница 60

    1-40 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 61

    TRUNKING 1-41 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ DMI — A DS1 link that uses the digital multiplexed interface (DMI) [...]

  • Страница 62

    1-42 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 63

    TRUNKING 1-43 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-10. Generic 1 and Generic 2 Analog Trunks — Voice/Voice-Gra[...]

  • Страница 64

    1-44 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 65

    TRUNKING 1-45 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-11. Generic 1 and Generic 2 Digital Trunks — Voice BCC[...]

  • Страница 66

    1-46 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 67

    TRUNKING 1-47 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________[...]

  • Страница 68

    1-48 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 69

    TRUNKING 1-49 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 1-13. Generic 1 and Generic 2 Digital Trunks — 56 kbps User R[...]

  • Страница 70

    1-50 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 71

    TRUNKING 1-51 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________[...]

  • Страница 72

    1-52 TRUNKING _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 73

    2. COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ A network is an interconnected g[...]

  • Страница 74

    2-2 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 75

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ SDN ETN LOCATION B SATELLITE MA[...]

  • Страница 76

    2-4 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 77

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ network calls. In addition, ARS[...]

  • Страница 78

    2-6 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 79

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • The Uniform Dial Plan funct[...]

  • Страница 80

    2-8 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 81

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ LOCAL STATION OR NETWORK OR NET[...]

  • Страница 82

    2-10 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________[...]

  • Страница 83

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • Bearer capabilities — Be[...]

  • Страница 84

    2-12 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________[...]

  • Страница 85

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Selecting a Trunk Group Variou[...]

  • Страница 86

    2-14 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________[...]

  • Страница 87

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ PARTITION GROUP NUMBER (S75/G2[...]

  • Страница 88

    2-16 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________[...]

  • Страница 89

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • When an IXC facility is ch[...]

  • Страница 90

    2-18 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________[...]

  • Страница 91

    COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW 2-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 2-3. Networking Feature [...]

  • Страница 92

    2-20 COMMUNICATION SYSTEM NETWORKING — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________[...]

  • Страница 93

    3. TANDEM TIE TRUNK NETWORKS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ A tandem tie trunk (TTT) network is an network of DIME[...]

  • Страница 94

    3-2 TANDEM TIE TRUNK NETWORKS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________[...]

  • Страница 95

    4. MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____________________________________________________________________________________[...]

  • Страница 96

    4-2 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________[...]

  • Страница 97

    MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________________________________________________________________________________[...]

  • Страница 98

    4-4 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________[...]

  • Страница 99

    MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________________________________________________________________________________[...]

  • Страница 100

    4-6 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________[...]

  • Страница 101

    MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________________________________________________________________________________[...]

  • Страница 102

    4-8 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________[...]

  • Страница 103

    MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES 4-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ___________________________________________________________________________________[...]

  • Страница 104

    4-10 MAIN-SATELLITE/TRIBUTARY (MS/T) NETWORKS THROUGH THE UDP OR MULTIPREMISES PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ________[...]

  • Страница 105

    5. ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ An ETN is a wid[...]

  • Страница 106

    5-2 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________[...]

  • Страница 107

    ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ ACCESS TIE TRU[...]

  • Страница 108

    5-4 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________[...]

  • Страница 109

    ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Off-Net Trunks[...]

  • Страница 110

    5-6 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________[...]

  • Страница 111

    ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Note that a Sy[...]

  • Страница 112

    5-8 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________[...]

  • Страница 113

    ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Like System 85[...]

  • Страница 114

    5-10 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________[...]

  • Страница 115

    ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ SO (6) 592-34[...]

  • Страница 116

    5-12 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________[...]

  • Страница 117

    ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES 5-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ CAS MAIN G1/G[...]

  • Страница 118

    5-14 ELECTRONIC TANDEM NETWORK (ETN) THROUGH THE ETN AND PNA PACKAGES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________[...]

  • Страница 119

    6. DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ The distributed communications system (D[...]

  • Страница 120

    6-2 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________[...]

  • Страница 121

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Tie Trunks In ETNs, the tie trunks conn[...]

  • Страница 122

    6-4 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________[...]

  • Страница 123

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ (See chapter 9 for detailed permanent c[...]

  • Страница 124

    6-6 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________[...]

  • Страница 125

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ A C B F G H I K L E D 1 2 3 4 1 2 3 4 1[...]

  • Страница 126

    6-8 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________[...]

  • Страница 127

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ RS232 MTDM MTDM DCP DCP TN764 (DIGITAL [...]

  • Страница 128

    6-10 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________[...]

  • Страница 129

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ TN760 (TIE TRUNK) TN722 OR TN767 (DS1)[...]

  • Страница 130

    6-12 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________[...]

  • Страница 131

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ *ONE OF THE 23 AVD CHANNELS IS USED FO[...]

  • Страница 132

    6-14 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________[...]

  • Страница 133

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 6-3. Availability of Attendant F[...]

  • Страница 134

    6-16 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________[...]

  • Страница 135

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Transparent Voice Terminal Features Th[...]

  • Страница 136

    6-18 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________[...]

  • Страница 137

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ feature allows the caller to leave a ?[...]

  • Страница 138

    6-20 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________[...]

  • Страница 139

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • Leave Word Calling — Leave Word [...]

  • Страница 140

    6-22 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________[...]

  • Страница 141

    DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) 6-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ ADMINISTRATION CONSIDERATIONS To deter[...]

  • Страница 142

    6-24 DISTRIBUTED COMMUNICATIONS SYSTEM (DCS) _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________[...]

  • Страница 143

    7. DATA CONNECTIVITY — AN OVERVIEW _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ This part of the AT&T Network and Data Con[...]

  • Страница 144

    7-2 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________[...]

  • Страница 145

    DATA CONNECTIVITY — AN OVERVIEW 7-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ SYNCHRONOUS NETWORKING AT&T 6500 MULTI- F[...]

  • Страница 146

    7-4 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________[...]

  • Страница 147

    DATA CONNECTIVITY — AN OVERVIEW 7-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 3 4 5 6 7 P SP ST 1 2 SYN SYN SOH TEXT ETX BC[...]

  • Страница 148

    7-6 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________[...]

  • Страница 149

    DATA CONNECTIVITY — AN OVERVIEW 7-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 1 1 1 1 1 1 1 1 SERIAL 0 0 0 0 0 0 0 0 0 1 1 [...]

  • Страница 150

    7-8 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________[...]

  • Страница 151

    DATA CONNECTIVITY — AN OVERVIEW 7-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ At the point in the communications stream whe[...]

  • Страница 152

    7-10 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________[...]

  • Страница 153

    DATA CONNECTIVITY — AN OVERVIEW 7-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Note that BRI terminals follow the asynchron[...]

  • Страница 154

    7-12 DATA CONNECTIVITY — AN OVERVIEW _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________[...]

  • Страница 155

    8. DATA COMMUNICATIONS CAPABILITIES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Your communications system can be used to conne[...]

  • Страница 156

    8-2 DATA COMMUNICATIONS CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 157

    DTE CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Through your communications system, you can communicate with both a[...]

  • Страница 158

    8-4 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________________________[...]

  • Страница 159

    DTE CONNECTIONS 8-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ DCE POSSIBILITIES DCEs that communicate with AT&T communica[...]

  • Страница 160

    8-6 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________________________[...]

  • Страница 161

    DTE CONNECTIONS 8-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ If you choose to use DCP (digital-line or GPP) ports for the co[...]

  • Страница 162

    8-8 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________________________[...]

  • Страница 163

    DTE CONNECTIONS 8-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ TABLE 8-1. DCP-Port Data Modules (part 2 of 2) _ ______________[...]

  • Страница 164

    8-10 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________[...]

  • Страница 165

    DTE CONNECTIONS 8-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ RS-232D 7400A TIP-RING MODEM (HAYES AT COMPATIBLE) DCP PBX TN7[...]

  • Страница 166

    8-12 DTE CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________[...]

  • Страница 167

    LOCAL AREA NETWORK CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ A local area network (LAN) is a collection of geogra[...]

  • Страница 168

    8-14 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 169

    LOCAL AREA NETWORK CONNECTIONS 8-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ — It can give outside users access to the LAN[...]

  • Страница 170

    8-16 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 171

    LOCAL AREA NETWORK CONNECTIONS 8-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 7400A/ ADU/ MADU REMOTE PC (RPC) CLIENT (OFF PR[...]

  • Страница 172

    8-18 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 173

    LOCAL AREA NETWORK CONNECTIONS 8-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ LAN LAN D C P D S 1 S75/S85/G1/G2 D C P D S 1 S[...]

  • Страница 174

    8-20 LOCAL AREA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 175

    PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ This section describes how to use publi[...]

  • Страница 176

    8-22 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________[...]

  • Страница 177

    PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • Image viewing and transfer —[...]

  • Страница 178

    8-24 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________[...]

  • Страница 179

    PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-25 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ PUBLIC SWITCHED DATA NETWORK (DOME[...]

  • Страница 180

    8-26 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________[...]

  • Страница 181

    PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table 8-7. Requirements for PBX-to[...]

  • Страница 182

    8-28 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________[...]

  • Страница 183

    PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS 8-29 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Private Terrestrial Connections Th[...]

  • Страница 184

    8-30 PUBLIC AND PRIVATE DATA NETWORK CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________[...]

  • Страница 185

    TELEMARKETING HOST CONNECTIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ A telemarketing host is a processor that is used for[...]

  • Страница 186

    8-32 TELEMARKETING HOST CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 187

    TELEMARKETING HOST CONNECTIONS 8-33 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ For further details, see: • Integrated Telema[...]

  • Страница 188

    8-34 TELEMARKETING HOST CONNECTIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 189

    DATA NETWORK ADMINISTRATION _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ The lines and trunks you use for data communication can[...]

  • Страница 190

    8-36 DATA NETWORK ADMINISTRATION _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________________________[...]

  • Страница 191

    9. DATA COMMUNICATIONS CONFIGURATIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Chapter 8 described how DTEs and LANs can com[...]

  • Страница 192

    9-2 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________[...]

  • Страница 193

    DATA COMMUNICATIONS CONFIGURATIONS 9-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ PSC OR DSC S75/S85/G1/G2 PSC OR DSC S75/S85/[...]

  • Страница 194

    9-4 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________[...]

  • Страница 195

    DATA COMMUNICATIONS CONFIGURATIONS 9-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ SNA NODE CONNECTIONS You can use your commun[...]

  • Страница 196

    9-6 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________[...]

  • Страница 197

    DATA COMMUNICATIONS CONFIGURATIONS 9-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ SWITCHED DIGITAL NETWORK PICTURETEL PICTURET[...]

  • Страница 198

    9-8 DATA COMMUNICATIONS CONFIGURATIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________[...]

  • Страница 199

    A. RELATED DOCUMENTS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ GENERAL Operation User’s Guide — DDM-1000 (363-206-100) Z3[...]

  • Страница 200

    A-2 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________[...]

  • Страница 201

    RELATED DOCUMENTS A-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ A Guide to Premises Distribution (555-400-021) Multiple Async[...]

  • Страница 202

    A-4 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________[...]

  • Страница 203

    RELATED DOCUMENTS A-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ System 75, System 85, and DIMENSION PBX Systems — Applicati[...]

  • Страница 204

    A-6 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________[...]

  • Страница 205

    RELATED DOCUMENTS A-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Sales Data Switching Sales Guide (555-035-001) Data Switching[...]

  • Страница 206

    A-8 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________[...]

  • Страница 207

    RELATED DOCUMENTS A-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ System 85 R2V4 to 740 Multiplexer (555-037-214) System 85 R2V[...]

  • Страница 208

    A-10 RELATED DOCUMENTS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________[...]

  • Страница 209

    B. SYNCHRONIZATION OF DIGITAL FACILITIES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ The DS1 transmit and receive buffers (for [...]

  • Страница 210

    B-2 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ______________________________________________________[...]

  • Страница 211

    SYNCHRONIZATION OF DIGITAL FACILITIES B-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Notice in figure B-1-B, Options for Sync[...]

  • Страница 212

    B-4 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ______________________________________________________[...]

  • Страница 213

    SYNCHRONIZATION OF DIGITAL FACILITIES B-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ synchronized together. However, to provid[...]

  • Страница 214

    B-6 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ______________________________________________________[...]

  • Страница 215

    SYNCHRONIZATION OF DIGITAL FACILITIES B-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ NOTE: For System 85 and Generic 2, the SC[...]

  • Страница 216

    B-8 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ______________________________________________________[...]

  • Страница 217

    SYNCHRONIZATION OF DIGITAL FACILITIES B-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ System 85 or Generic 2 with a duplicated [...]

  • Страница 218

    B-10 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 219

    SYNCHRONIZATION OF DIGITAL FACILITIES B-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • The LED in position #5 refers to the[...]

  • Страница 220

    B-12 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 221

    SYNCHRONIZATION OF DIGITAL FACILITIES B-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ The TN768 and TN780 circuit packs contai[...]

  • Страница 222

    B-14 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 223

    SYNCHRONIZATION OF DIGITAL FACILITIES B-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ and secondary references also apply to t[...]

  • Страница 224

    B-16 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 225

    SYNCHRONIZATION OF DIGITAL FACILITIES B-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 2. System 85 and Generic 2 applications [...]

  • Страница 226

    B-18 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 227

    SYNCHRONIZATION OF DIGITAL FACILITIES B-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ INTERNALLY REFERENCED NODES DIGITAL TRAN[...]

  • Страница 228

    B-20 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 229

    SYNCHRONIZATION OF DIGITAL FACILITIES B-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ RULE 2: A node may use a facility as a b[...]

  • Страница 230

    B-22 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 231

    SYNCHRONIZATION OF DIGITAL FACILITIES B-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Facility rank ordering is generally base[...]

  • Страница 232

    B-24 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 233

    SYNCHRONIZATION OF DIGITAL FACILITIES B-25 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ B A . . . . . . . . . . . . . . . . . . [...]

  • Страница 234

    B-26 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 235

    SYNCHRONIZATION OF DIGITAL FACILITIES B-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ . . . . . . . . . . . . . . SECONDARY (B[...]

  • Страница 236

    B-28 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 237

    SYNCHRONIZATION OF DIGITAL FACILITIES B-29 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ CONCLUSIONS ON SYNCHRONIZATION Make no a[...]

  • Страница 238

    B-30 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 239

    SYNCHRONIZATION OF DIGITAL FACILITIES B-31 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Trunk-Mode Interface (ISDN-PRI + Robbed [...]

  • Страница 240

    B-32 SYNCHRONIZATION OF DIGITAL FACILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________[...]

  • Страница 241

    C. TRUNKING TERMS AND CAPABILITIES _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ This appendix contains a list of trunking-relate[...]

  • Страница 242

    C-2 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 243

    TRUNKING TERMS AND CAPABILITIES C-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ CCSA (or Common Control Switching Arrangement) [...]

  • Страница 244

    C-4 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 245

    TRUNKING TERMS AND CAPABILITIES C-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Derived E&M Lead Signaling A signaling inte[...]

  • Страница 246

    C-6 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 247

    TRUNKING TERMS AND CAPABILITIES C-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ (4) All out-of-building (inter-building) applic[...]

  • Страница 248

    C-8 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________[...]

  • Страница 249

    TRUNKING TERMS AND CAPABILITIES C-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ (3) If the other entity is a PBX, either encode[...]

  • Страница 250

    C-10 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 251

    TRUNKING TERMS AND CAPABILITIES C-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Main PBX In a main—satellite/tributary commu[...]

  • Страница 252

    C-12 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 253

    TRUNKING TERMS AND CAPABILITIES C-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Signaling Type With System 85 (R2V4) and the G[...]

  • Страница 254

    C-14 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 255

    TRUNKING TERMS AND CAPABILITIES C-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Note: Previously, most switch implementations [...]

  • Страница 256

    C-16 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 257

    TRUNKING TERMS AND CAPABILITIES C-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ TRUNKING CHARACTERISTICS TABLE D ——identi?[...]

  • Страница 258

    C-18 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 259

    TRUNKING TERMS AND CAPABILITIES C-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 260

    C-20 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 261

    TRUNKING TERMS AND CAPABILITIES C-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ ______________________________________________[...]

  • Страница 262

    C-22 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 263

    TRUNKING TERMS AND CAPABILITIES C-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 264

    C-24 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 265

    TRUNKING TERMS AND CAPABILITIES C-25 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 266

    C-26 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 267

    TRUNKING TERMS AND CAPABILITIES C-27 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 268

    C-28 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 269

    TRUNKING TERMS AND CAPABILITIES C-29 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 270

    C-30 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 271

    TRUNKING TERMS AND CAPABILITIES C-31 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ____________________________________________[...]

  • Страница 272

    C-32 TRUNKING TERMS AND CAPABILITIES _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________[...]

  • Страница 273

    D. COMMUNICATIONS PROTOCOLS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ A protocol is a set of rules for how transmissions are [...]

  • Страница 274

    D-2 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________[...]

  • Страница 275

    COMMUNICATIONS PROTOCOLS D-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ LEVEL 2 LEVEL 4 LEVEL 6 NETWORK LAYER SESSION LAYER AP[...]

  • Страница 276

    D-4 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________[...]

  • Страница 277

    COMMUNICATIONS PROTOCOLS D-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Session Layer The session layer, or layer 5, provides [...]

  • Страница 278

    D-6 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________[...]

  • Страница 279

    COMMUNICATIONS PROTOCOLS D-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table D-2. Some CCITT Analog Standards _______________[...]

  • Страница 280

    D-8 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________[...]

  • Страница 281

    COMMUNICATIONS PROTOCOLS D-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Further study ( ) B Channel Packet switching CCITT-ISO[...]

  • Страница 282

    D-10 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________[...]

  • Страница 283

    COMMUNICATIONS PROTOCOLS D-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ • The Bell standard for X.25 (BX.25) The primary ra[...]

  • Страница 284

    D-12 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________[...]

  • Страница 285

    COMMUNICATIONS PROTOCOLS D-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ data frames are multiplexed into a DCP and DS1 frame.[...]

  • Страница 286

    D-14 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________[...]

  • Страница 287

    COMMUNICATIONS PROTOCOLS D-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ VARIABLE LENGTH FLAG 0 1 1 1 1 1 1 0 E SPARE SCA S DA[...]

  • Страница 288

    D-16 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________[...]

  • Страница 289

    COMMUNICATIONS PROTOCOLS D-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ The DCP protocol physical level requires a 4-wire dat[...]

  • Страница 290

    D-18 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________[...]

  • Страница 291

    COMMUNICATIONS PROTOCOLS D-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Physical Layer. This layer for BX.25 is compatible wi[...]

  • Страница 292

    D-20 COMMUNICATIONS PROTOCOLS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________[...]

  • Страница 293

    E. LEAD DEFINITIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ This appendix provides tables that list the lead definitions f[...]

  • Страница 294

    E-2 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________[...]

  • Страница 295

    LEAD DEFINITIONS E-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-2. EIA RS-232D (V.28) LEADS/DEFINITIONS _ ____________[...]

  • Страница 296

    E-4 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________[...]

  • Страница 297

    LEAD DEFINITIONS E-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-4. EIA RS-366 LEADS/DEFINITIONS ______________________[...]

  • Страница 298

    E-6 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________[...]

  • Страница 299

    LEAD DEFINITIONS E-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Table E-6. EIA RS-232C (V.28) LEADS SUPPORTED FOR AT&T TER[...]

  • Страница 300

    E-8 LEAD DEFINITIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________[...]

  • Страница 301

    F. NETWORKING FEATURES——AVAILABILITY MATRIX _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ The following list compares the net[...]

  • Страница 302

    F-2 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________[...]

  • Страница 303

    NETWORKING FEATURES——AVAILABILITY MATRIX F-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ NETWORKING FEATURES——AVAILABIL[...]

  • Страница 304

    F-4 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________[...]

  • Страница 305

    NETWORKING FEATURES——AVAILABILITY MATRIX F-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ NETWORKING FEATURES——AVAILABIL[...]

  • Страница 306

    F-6 NETWORKING FEATURES——AVAILABILITY MATRIX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _______________________________________________[...]

  • Страница 307

    ABBREVIATIONS _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 4ESS number 4 electronic switching system 5ESS number 5 electronic sw[...]

  • Страница 308

    AB-2 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________________________[...]

  • Страница 309

    ABBREVIATIONS AB-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ ETA extended trunk access ETN electronic tandem network FAX facs[...]

  • Страница 310

    AB-4 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________________________[...]

  • Страница 311

    ABBREVIATIONS AB-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ SDN Software-Defined Network SMT system management terminal SNA[...]

  • Страница 312

    AB-6 ABBREVIATIONS _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________________________[...]

  • Страница 313

    GLOSSARY _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 24th-channel signaling Digital signal level-1 (DS1) signaling in which the[...]

  • Страница 314

    GL-2 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 315

    GLOSSARY GL-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ AUDIX Standalone An AUDIX system that has no data link and allows AUD[...]

  • Страница 316

    GL-4 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 317

    GLOSSARY GL-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ BRI See basic rate interface . BSC See binary synchronous communicati[...]

  • Страница 318

    GL-6 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 319

    GLOSSARY GL-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ CSU The terms channel service unit and customer service unit are both[...]

  • Страница 320

    GL-8 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ __________________________________________________________________________________[...]

  • Страница 321

    GLOSSARY GL-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ DDC See Direct Department Calling . DDD See direct distance dialing .[...]

  • Страница 322

    GL-10 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________________[...]

  • Страница 323

    GLOSSARY GL-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ direct outward dialing (DOD) A feature that enables a communications[...]

  • Страница 324

    GL-12 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________________[...]

  • Страница 325

    GLOSSARY GL-13 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ final trunk group A last-choice trunk group that receives overflow[...]

  • Страница 326

    GL-14 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________________[...]

  • Страница 327

    GLOSSARY GL-15 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ Integrated Services Digital Network (ISDN) A public or private netwo[...]

  • Страница 328

    GL-16 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________________[...]

  • Страница 329

    GLOSSARY GL-17 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ MPDM See modular processor data module . MTDM See modular trunk data[...]

  • Страница 330

    GL-18 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________________[...]

  • Страница 331

    GLOSSARY GL-19 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ permanent switched connection (PSC) On the System 75 and Generic 1, [...]

  • Страница 332

    GL-20 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________________[...]

  • Страница 333

    GLOSSARY GL-21 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ route advance A telecommunications routine that routes outgoing call[...]

  • Страница 334

    GL-22 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________________[...]

  • Страница 335

    GLOSSARY GL-23 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ tip and ring Tip and ring are common nomenclature derived from old c[...]

  • Страница 336

    GL-24 GLOSSARY _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _________________________________________________________________________________[...]

  • Страница 337

    INDEX _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ 1 10-to-7 digit conversion 2-14 2 24th channel signaling 1-27 2-wire trunk C-[...]

  • Страница 338

    IN-2 INDEX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________________________________[...]

  • Страница 339

    INDEX IN-3 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ compression— Contd BCM-3200 1-31 channel expansion multiplexer 1-31 co[...]

  • Страница 340

    IN-4 INDEX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________________________________[...]

  • Страница 341

    INDEX IN-5 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ fiber-optic transmission 1-32, 8-14 file transfer 8-22, 9-6 fractional[...]

  • Страница 342

    IN-6 INDEX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________________________________[...]

  • Страница 343

    INDEX IN-7 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ network— Contd synchronization— Contd plan— Contd example B-20 iss[...]

  • Страница 344

    IN-8 INDEX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ _____________________________________________________________________________________[...]

  • Страница 345

    INDEX IN-9 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ signaling— Contd address C-1 DTMF C-3 AVD 1-41 common channel signalin[...]

  • Страница 346

    IN-10 INDEX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________________________________[...]

  • Страница 347

    INDEX IN-11 _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ _ ______________________________________________________________________________________ trunk— Contd 4-wire C-1 800 service 1-36 analog 1-9, 1-15 APLT 1-38 a[...]

  • Страница 348

    IN-12 INDEX _ ___________________________________________________________________________________________________________________________ _ ___________________________________________________________________________________________________________________________ _ ____________________________________________________________________________________[...]