Quick Eagle Networks DL3800E инструкция обслуживания

DL3800E Inverse Multiplexer User ’ s Guide P a r t 098 - 30380 - 01 R e v F July 9, 2001[...]

C OPYRIGHT AND T RADEMARKS Copyright © 2001 , Quick Eagle Networks W orld copyright reserved. No part of this publication may be stored in a retr ieval system, transmitted, or repr oduced in any way , including but not limited to pho tocopy , photograph, m agnetic, chemic al, or other record, without the prior agreement and written pe rmission of [...]

Buyer's exclusive r emedy , and Quick Eagle Networks' total liability , f or any and all losses and d amages arising out of any caus e whatsoever (whether such cause is based in contract, tort [including neglig ence], strict liability , or otherwise) sh all in no event exceed th e repair price of the unit fr om which such cause arises. In[...]

R IGHT S TO S OFTWARE Quick Eagle Network ( "QEN") software pr oducts are pr oprietary to QEN and shall remain the property of QEN. Other than the limited, non- exclusive and non-transferable license granted to END USE R to use the products internally , on a single CPU, for the purposes set forth herein, no rights in or to any QEN softwar[...]

Malfunction of the equipment: In the event this equipment should fail to operate pr operly , disconnect the unit from the teleph one line. T ry using another FCC approved telephone in the same telephone jack. If the tr ouble does not persist and appears to be with this un it, disconnect the unit from the telephone line and discontinue use of the un[...]

VCCI REGULATOR Y COMPLIANCE • Eur opean ha rmonize d standa r ds 73/23 /EEC/, 91/ 31/EEC, 89/336/ EEC, 93/6 8/EEC , and 91/263/ EEC • UL 1950 3r d Edit ion • CAN/CSA C22. 2 No. 950 -95 • Comision Federal de T elecommunicationes (Mexico) • CISPR 22 Lev el B (E N 5502 2) NOTE: As per the V oluntar y Control Counc il for Interference by Info[...]

vii T able of Contents Preface xvii Audience xvii Organiza tion xvii Convention s xviii Symbols xviii Typography xix Quick Eagle Networ ks Technical Suppo rt xx Returning a Unit xx Send Us Your Comments xxi Document Change Record xxi Chapte r 1, Qui ck Instal l Guide 1-1 Purpose 1-1 Configuratio n 1-1 Equipment Needed 1-1 Setup 1-2 Terminal Log On [...]

viii DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 Application 2 -3 Functional Des cription 2-4 Signal F low 2-4 E1 Port Crossover Detection 2-5 Overhe ad Func tions 2-6 Chap ter 3, Ins tall ation 3-1 Installa tion 3-1 Mounti ng 3-2 Rack Mou nting 3-2 Desk Operation And S tacking 3-2 Power Cables And Connections 3-3 AC Power Conne[...]

ix Configuratio n 4-17 Unit Config uration 4-17 DTE Configu ration 4-20 Network Conf iguration 4-25 Network Thresholds 4-28 Save Configuratio n 4-30 System Utiliti es 4-30 Softwa re Do wnload 4-31 Softwar e Down load Opti ons 4-33 RAM Softw are Options 4-34 Delete Entire Unit Conf iguration (revert to f actory config) 4-35 Login Co nfiguratio n 4 -[...]

x DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 Front Panel LE Ds 5-3 Access Levels An d Protected Mode 5-4 Power Up And Reset 5-5 Top Menu 5-5 Select Remote/Select Local 5-7 Display M enu 5-7 Node (Common Equipment) Status 5-8 DTE Status 5-9 NET (1-8) St atus 5-9 NET (1-8) St atistics 5-9 Test Menu 5-12 DTE Tests 5-14 DTE/NET Loo[...]

xi Appendix A, Sp ecificati ons A-1 E1 Network Interface A-1 External Clock Interface A-1 DTE Interface A-2 COMM PORT A-2 NMS Po rt (SNMP) A-2 Front Panel A-3 Diagnostics A -3 Power A-3 Environmental A-3 Physical /C onnectors A-4 External Al arm Contact s A-4 Appendix B, P inouts B-1 Terminal Connection B-1 DCE Connec tors B-1 Channel 1 Data Cabl e[...]

xii DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 Index I- 1[...]

xiii List of Figur es Figur e 1- 1 DL3800E Inve rse Multipl exer (fr ont panel) 1-1 Figur e 2-1 DL3800E In verse Mult iplexer 2-1 Figur e 2-2 T ypical Appl ication f or DL3800E 2-3 Figur e 2-3 DL3800E Funct ional Sc hematic 2-6 Figur e 3-1 DL3800E Rea r Panel 3-2 Figur e 4-1 INVERSE MUL TIPLEXER MAIN MENU 4-3 Figure 4-2 ALARMS AND ST A TUS MENU 4-5[...]

xiv Figur e 4-12 DTE CONFIGURA TION MENU (HSSI) 4-22 Figur e 4-13 Network Configurat ion Scr een 4-26 Figur e 4-14 Network Thr esholds Configuration 4-29 Figur e 4-15 SYSTEM UTILITIES MENU 4-30 Figur e 4-16 SOFTW ARE DOW NLOAD MENU 4-31 Figur e 4-17 SOFTW ARE UTILITIE S MENU 4-36 Figur e 4-18 LOGIN CONFIGURA TION MENU 4-37 Figur e 4-19 SNMP CONFIGU[...]

xv List of T ables Table 4-1 Main Menu 4-4 Table 4-2 3800E Alarm Descripti ons 4-5 Table 4-3 NET Statistics Items 4-13 Table 4-4 Alarm Level 4-16 Table 4-5 Node Configuration Options 4-18 Table 4-6 DTE Configuration Men u Options 4-23 Table 4-7 Network Configuration Menu Options 4-26 Table 4-8 Login Configuration Options 4-38 Table 4-9 SNMP Configu[...]

xvi DL3800E Inverse Multi plexer User ’ s Guide — July 9, 2001 Table B-1 COMM and NMS Por t Pin Assignments B-1 Table B-2 HSSI DCE Connector Pin Assignm ents B-1 Table B-3 V.35, M-34 to DB- 25 DTE Cable Pi n Assignments B-2 Table B-4 EIA-530, DB-2 5 to DB-25 DCE Conn. Pin Assignmts B-3 Table B-5 DB-25 to DC-37 Data Port Cable Pi n Assignments B[...]

xvii Pr eface The DL3800E Inverse Multiplexer U ser ’ s Guide provides the information you need to install, test, operate, and manage the DL380 0E Inverse Mu ltip le xer . A UDIEN CE This guide is prepared for networ k managers a nd technicia ns who are responsible for the installation of LAN-to-W AN equipment, and who ar e thoroughly familiar wi[...]

xviii DL3800E Inve rse Multiplexe r User ’ s Gui de — July 9, 2001 C ONVENTIONS This section describes the f ormats used to dif fer entiate specific types o f information throughout Quick Eagle Networks user guides. Symbols Symbols denote text that requires special attention. The information contained alo ngside a symbo l corresponds to one of [...]

Preface xix T y pography Quick Eagle Networks manuals delineate the names of files, comma nds, and actions by using the fonts and typefaces described in th e following table: Ty p e f a c e o r Symbo l Purpose E xample Courier Font AaBbCc123 The names of co mmands, fil es, and directories, as we ll as on-scre en computer output. Edit yo ur .log in [...]

xx DL 3800E Inverse Multiplexer Us er ’ s Gui de — July 9, 2001 Q UICK E AGLE N ETWORKS T ECHNIC AL S UPPOR T If you should experience dif ficulty with the setup and/or operation of your Quick Eagle Networks equipment, the Quick Eagle Networks T echnical Support staf f can a ssist you at any time. R ETURNING A U NIT Use the following procedure [...]

Preface xxi S END U S Y OUR C OMMENTS Please let us know if this user guide ma nual meets your re quiremen ts. Does the manu al answer your ques tions? Is the manual thorough? Is the manual easy to use; tha t is, can you find the informatio n you need? Is anything missin g from the manu al? What would you like to see in the m anual? All suggestions[...]

xxii DL3800E Inve rse Multiplexer Us er ’ s Gui de — July 9, 2001[...]

1-1 1 Quick Install Guide 1 P URPOSE This chapter is a quick reference for the setup and configuration of the DL3800E Inverse Multiplexer (see Figure 1-1). Please note that not all configuration items w ill be discussed, because this chapter only serves to get you up and running. Figure 1-1 DL3800E Inv erse Multiplexer (fron t panel) C ONFIGURATIO [...]

1-2 DL3800E Inve rse Multiplexer Us er ’ s Guide — July 9, 2001 1 Setup T erminal Log On Connect your terminal to the CO MM port on the back of the DL 3800E unit. Befor e you can log into the unit, you must ma ke sure that terminal settings match the DL3800E. Defaults for the DL3800E unit COMM port: 96 00 baud, no parity , 8 bit word length, 2 [...]

Quick Instal l Guide 1-3 1 Network Configuration S e t u p a p o r t f o r e a c h E 1 l i n e y o u p l a n t o u s e . S e t Alarm to Report . Set ACTICVE/REST ORE MODE to Use w/au to restore . Normally is CRC4 enable. Primary clock Xmt=Network (assuming carrier or remote unit providing timing). Primary clock RCV should be set to AUTO. Configure [...]

1-4 DL3800E Inve rse Multiplexer Us er ’ s Guide — July 9, 2001 1[...]

2-1 2 Intr oduction 2 S YSTEM O VER VIEW The DL3800E Inverse Multiplexer brid ges the gap between E1 and E3 data services by pr oviding E1 multiplexing of m ultimegabit (up to Nx1.976 Mbps) DTE data onto two to eight E1 circuits. The DL3800E Inverse Multiplexer is an economical solution to bandwidt h intensive applications as it pr ovides multimega[...]

2-2 DL38 00E Inverse Mul tiplexer User ’ s Gu ide — July 9, 2001 2 The DL3800E unit featur es an automatic rate fallback in the even t of a failing E1 circuit. If the performance of an E1 circuit is detected to be falling below accepted levels, the DL3800E unit autom atically removes the E1 fr om service, and throttles back the DTE to a data ra[...]

Introduction 2-3 2 System Benefits The numer ous featur es of the DL3800E unit pr ovide you with many benefits: • Reliable, full performance access to E1 networks for the widest variety of DTE products • Enterprise wide visibility via SNMP • Local an d r emote ac cess via f r ont pane l, termi nal, or telne t • Complete maintenance and diag[...]

2-4 DL38 00E Inverse Mul tiplexer User ’ s Gu ide — July 9, 2001 2 F UNCTIONAL D ESCRIPTION The base DL3800E unit configuration consists of a motherboard with two (E1) network interface connectors and the DTE connectors (HSSI and V .35/RS4 49/X.2 1). Six additi onal E 1 networ k ports can be added w ith t he additio n of fr om one to three daug[...]

Introduction 2-5 2 When the incoming signal is framed on the inverse mux fra me, the framer will start loadi ng its Dual Port RA M. The address to the Dual P ort RAM is derived fr om the 16-bit in verse mux frame. The software will ask all framers to latch their Dual Port RAM addr esses at the same time, and by looking at the addresses, the softwar[...]

2-6 DL38 00E Inverse Mul tiplexer User ’ s Gu ide — July 9, 2001 2 Figure 2-3 DL3800E Un it Functional Sc hematic Overhea d Funct ions The overhead func tions consist o f a controller , front panel, two RS 232 communication interfac es (terminal and netw ork management), a nd a power supply . The controller function is performed by a micropr oc[...]

3-1 3 Installation 3 I NSTALLATION 1. Unpack an d inspe ct the DL3 800E unit for damag e that mi ght have occurred du ring shipment. I f necessary , wipe of f the exterior with a soft clot h. Save all pa cking slips a nd papers t hat come with t he unit. Sa ve the s hippin g cartons and packin g materia ls unt il insta lla tion is com plete and p r[...]

3-2 DL3800E Inverse Multi plexer User ’ s Guide — July 9, 2001 3 8. Co n fi g ur e U n i t See “ Unit Con figuration ” o n p ag e 4 - 1 7 (ASC II terminal) a. Co n fig ur e CO MM PORT See “ Unit Con figuration ” o n p ag e 4 - 1 7 (ASC II terminal) b. Con figur e NMS (Network Mana gement) Po rt See “ SNM P Configuration ” on page 4-[...]

Installat ion 3-3 3 P OWER C ABLES A ND C ONNECTIO NS T h e D L 3 8 0 0E u n i t c a n b e o r d e r e d w i t h a n A C o r D C p o w e r s u p p l y . AC Power Connec tion An AC power co rd is s upplied wi th the DL38 00E -AC-X XX to pr ovide 120 to 240 V AC power . The power cor d r eceptacle is located o n the re ar panel of the DL3800E-AC-XXX.[...]

3-4 DL3800E Inverse Multi plexer User ’ s Guide — July 9, 2001 3 4. Connect the ground ( +) wire t o the + te rminal i n the same way . 5. Connect the frame ground te rminal t o the l ocal eart h ground, if requir ed. 6. T o min imize disturbance to the wires through ca sual cont act, secure a tray ca ble near the rac k frame u sing mult iple c[...]

Installat ion 3-5 3 E1 N ETWORK C ONNECTION The eight port con nector can be eith er a DB-9, DB-1 5, or BNC. The connectors are located on the DL3800E unit back panel for connecting to the E1 networks. Connect the DL3800E unit to each E1 Network using the appr opriate cable and connectors, available fr om Quick Eagle Networks. DTE C ABLE A ND C ONN[...]

3-6 DL3800E Inverse Multi plexer User ’ s Guide — July 9, 2001 3 Direct Connec tion For dir ect connection, using the appr opriate DE-9 cable, connect the ASCII terminal or SNMP workstation to the DL38 00E unit through the T erminal or SNMP connector on the back of the rear pa nel. The baud rate, parity bit, and stop bit settings must match tho[...]

Installat ion 3-7 3 Daisy Chai ning Multiple DL3800E units can be daisy-chained together through the T erminal Por t to provide centralized network monito ring and mana gement capabilities. A ribbon-type cable with DB-9 connectors is available from Quick Eagle Networks for daisy-chaining your DL3800E units. Y ou can order specific cables to daisy-c[...]

3-8 DL3800E Inverse Multi plexer User ’ s Guide — July 9, 2001 3[...]

4-1 4 T erminal Interface 4 L OG I N /L OG O FF Each D L3800E un it is equ ipped w ith an i ntegr ated RS-2 32 AS CII user interface that can be accessed thr ough the COMM PORT (DE-9 conne ctor) located on the re ar panel of the DL3800E. Through this interface, you can perform various functions described in th is section. When operating in multidro[...]

4-2 DL3800E Inverse Multiple xer User ’ s Guide — July 9, 2 001 4 4. T o log on to anothe r DL3800 E unit on the same d aisy chain, simply type Ctrl-X , fo llowed by a # and t he Node Numb er an d press En ter . The prev ious unit is logged out a nd the new unit is logged on. 5. T o log off all units without logging on to any new units, pre ss [...]

T erminal Interface 4-3 4 The next two lines in the menu, w hich are alwa ys highlighted, r epresent the Status Bar . The first line of the Status Bar displays the pr oduct type, the software release number , node numbe r , node name, da te & time, an d curren t ala rm statu s of t he u ni t. Th e s econ d li ne dis pla ys t he se le cted devic[...]

4-4 DL3800E Inverse Multiple xer User ’ s Guide — July 9, 2 001 4 I NVERSE M ULTIPLEX ER M AIN M EN U C OMMANDS When a DL3800 E unit is first powered up, the Main Menu ( Figure 4-1 on page 4-3 ) appears on the terminal screen. This describes those functions that can be pe rformed, parameters viewed, cha nged and/or de leted fr om this menu. The[...]

T erminal Interface 4-5 4 A LAR MS AND S TATUS The ALARM S AND ST A TUS MENU is a view-o nly scr een that al lows you to r eview the curr ent ALARMS AND ST A TUS items being reported by the DL3800E. T o access this screen, move the highlight bar in the INVERSE MUL TIP LEXE R MAI N MENU to A LARMS AND ST A TU S and press Enter . The ALARMS AND ST A [...]

4-6 DL3800E Inverse Multiple xer User ’ s Guide — July 9, 2 001 4 AIS DET Alarm Indicati on Signal Detec ted — Net Port detects an un framed continuous s t r e a m o f b i n a ry o n e s . AIS Alarm Indication Signal — Not used. YEL Det Y ellow Alarm (RAI — Remote Al arm Indication ) Detected. #Ne t Port detects the presence of an RAI. YE[...]

T erminal Interface 4-7 4 SES Thresh old Net Port has exce eded the Severe ly Errored Secon d Threshold. UAS Thresh old Net Port has exce eded the Unavailable Second Thre shold. BPV MN/MJ Net Port has declared a Bipolar V iolation Major or Min or Alarm. OOF MN/MJ Net Port has declared an O ut Of Frame Major or Min or Alarm. BPVs 15 Min. MN/MJ Net P[...]

4-8 DL3800E Inverse Multiple xer User ’ s Guide — July 9, 2 001 4 ROM Chec ksum F ail This oc curs if the chec ksum for the code image st ored in ROM does not m atch that expecte d. No Ext Clk No clock de tected on t he External Clock DB-- 9 connector on the back panel. Primar y Clock The set primar y receive clock source is now providin g the [...]

T erminal Interface 4-9 4 DTE L oss The sign al ind ica ting DT E pr esen ce has been lo st. DTR On The V . 35 DTR si gnals is present. RTS On The V .35 R TS s ignal is present. RLB On The V .35 DTE Remote Loopback signal has been set. L T On The V .35 L T signal is pr esent. T A On The HSSI T A signal is present. LA On The HSSI LA s ignal is pres [...]

4-10 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 NOTE: Status display wi ll read ACTIVE , if the DL 3800E unit is in Inverse Mux mode and receiving I-Framing on the E1 without Blu e, Y ellow , or Red A larms or Ma jor Alarm Thres holds being ex ceeded. If the E1 Network Configuration is set to NEVER USE and a good E1 is connec[...]

T erminal Interface 4-11 4 Statistics This menu allows you to access the performan ce ST A TISTICS SUBMENU o f a n y E 1 p o r t . H ig h l i g ht S T A T I ST I C S i n t h e I N V E R S E M U X M A I N MENU, and press the Enter key . Th e ST A T IS TICS MEN U app ear s ( Fi gure 4-3 ). Figure 4- 3 ST A TISTICS SUBMENU Major 01/01 /90 04:58 :17 Un[...]

4-12 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 T o view the performance statistics of any one E1 port, highlight that port and press Enter . The NET ST A TISTICS for that port ( Figur e 4-4 ) will appear on the scr een. Figure 4-4 NET ST A TISTICS MENU This scr een displays the sele cted port ’ s E1 performance statistics [...]

T erminal Interface 4-13 4 Figure 4-5 Additional NET ST A TISTICS . T able 4-3 NET Stat istics Items Para meter De fin ition EFS Error Free Sec onds (EFS) i s calculate d whenever ESR is calculated , and is the si mple percentage c omplement of ESR: EFS = 100.0 - ESR. Whe n there ha ve been UAS in the statistics h istor y for the past 24 hours, the[...]

4-14 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 BPV This display pr ovides the number of Bipolar Violations (B PVs) that ha ve occur red during the accumulation period. A tota l of 15430 BPVs in a 10-second sliding window (approximately 10-3) w ill create a Major Alarm and 916 BPVs in a 600-second sliding window (approximatel[...]

T erminal Interface 4-15 4 Event Histor y Use t his scr een t o r eview a nd clear t he DL38 00E un it alar m and stat us history . T o view the EVENT HIST OR Y , move the highlight bar to EVENT HISTOR Y in the NODE MAIN MENU, and pr ess Enter . Use the up and down keys to move to the next or previous page of the EVE NT HISTOR Y M ENU. UAS Unavaila[...]

4-16 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 T o clear the r eport of all History Events, move the highlight bar to CLEAR HISTOR Y and press Enter . Figure 4-6 is an example. Figure 4-6 EVENT HISTORY MENU T able 4-4 Alarm Level Alarm Parameter Defin iti on Alarm L evel: M a j o r M i n o r I d l e d S t a t u s Serv ice af[...]

T erminal Interface 4-17 4 Configuration The CONFIGURA TION M ENU item pr ovides access to a series of submenus to configure various parameters of the unit, DTE, and network. Highlight Configura tion in the INVERSE M UL TIPLEXER MAIN MENU and press Enter to access the CONFIGURA TION MENU. See Figure 4-7 . Figu re 4 -7 CON FIGU RA TION MENU T o acce[...]

4-18 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 Figure 4-8 UNIT CONFIGURA TION MEN U T able 4-5 Node Configuration Options Option Action Date Move the highlight bar to D ate, and enter a valid date with the format MM/DD/YY , and press the En ter key . MM 1- 12 month DD 1-31 date YY : 0-99 year T ime Move the highlight bar to [...]

T erminal Interface 4-19 4 Front Panel This feature enables (On) or disables (Off) your ability to make changes in the config uration or run test s from the fro nt panel display and buttons. T o change the Front Panel feat ure, highlight Front Panel, and use the Spac e Bar to toggle betwee n Off and On. Permit Select Dev ice Access F rom Remote Thi[...]

4-20 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 T o update the node database with all the chan ges made, move the highlight bar to CO NFIRM and press Enter . Changes can be confirm ed after each chan ge, or , after all changes have been made. This completes the node configuratio n. T o ab ort the changes, m ove the highlight [...]

T erminal Interface 4-21 4 Figure 4-9 DTE CONF IGURA TION MENU (V .35 ) Figure 4-10 DTE CONFIGURA TION MENU (RS449) DIGITAL LINK DL3800E SR 3.00.22 NODE 1 : 09/20/00 03:55:47 MJ SELECTED DEVICE ADDRESS: 1.00.000 NAM E: DTE CONFIGURATION Exit Confirm DTE INTERFACE: V.35 DTE TOGGLE INTERVAL: 2 sec V.35/RS-449/X.21 OPTIONS: CLOCK: SCTE Tx Clock: INV E[...]

4-22 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 Figure 4-11 DTE CONFIGURA TION MENU (X.21) Figure 4-12 DTE CO NFIGUR A TION MENU (H SSI) DIGITAL LINK DL3800E SR 3.00.22 NODE 1: 09/20/00 03:56:16 MJ SELECTED DEVICE ADDRESS: 1.00.000 NAM E: You must confirm to save changes. DTE CONFIGURATION Exit Confirm DTE INTERFACE: X.21 DTE[...]

T erminal Interface 4-23 4 T able 4-6 D TE CONFIGUR A TION MENU Options Para meter De scriptio n/Actio n DTE Inter face This allows you to select V .35, R S449, X.21 or HSSI as the DTE Interface. T o change the present DTE Interface, use the UP an d DOWN ARROW keys to highligh t DTE Interface. Use the Space Bar to tog gle between V .35, RS-449, X.2[...]

4-24 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 DSR (Data Se t Ready) This allows you to Ass ert, DeAssert, or set to automati c the DSR leads. T o change or set the D SR lead status, use t he UP and DOWN ARROW keys to hi ghlight RLSD, and u se the Spac e Bar to toggle bet ween Ass ert, DeAssert, or Automatic until the desire[...]

T erminal Interface 4-25 4 Network Configuration This submenu allows yo u to configure various Network parameters. The configurable parameters include CRC4, TSLOT16, and Natio nal Bits. T o access the NETWORK CONFIGURA TION MENU, move the highlight bar to NETWORK CONFIGURA TION in the CONFIGURA TION MENU and press Return . The NETWORK CONFIGURA TIO[...]

4-26 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 Figure 4-13 Network Configurat ion Screen T able 4-7 NETWO RK CONFIGUR A TION MENU Opt ions Para meter De scriptio n/Actio n Alarm This item allows you to e nable (Report) or disable (Mask) the DL3800E unit from reportin g alarms or sending SNMP traps from any of the individual [...]

T erminal Interface 4-27 4 TSLOT16 Allows you to selec t between DA T A and FLA G. If DA T A is selected, timeslo t 16 will be use d for payload data. If FLAG is sele cted, timeslot 16 will not be used for paylo ad and will be st uffed with the value 7E hex. NOTE: E1 links are not truly independent. This field is selectable on a per- E1 link basis.[...]

4-28 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 Network Thresholds This menu allows you to enable/disa ble the automatic F A LLBACK feature and set the various Ne twork Alarm Thresholds that will cause the E1 lines to automatically be taken out of service. Figure 4-14 is an exa mple of the NETWO RK ALARM THRESHO LDS configura[...]

T erminal Interface 4-29 4 Figure 4-14 Network Thresholds Con figuration Through the CONSECUTIVE T HRESHOLDS section of this menu, you disable or enable th e fallback condition r elating to the number of consecu tive sec onds ( fr om 1 to 1 00) in w hich a CRC, SE S or UAS a larm thr eshold is ex ceeded. T o Ena ble or Disable th e F ALLBACK featur[...]

4-30 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 Save Configuration This option allows you to m anually back up the database to EEPROM at any time. T o Save Configuration and back up the database to EEPROM, highlight the Save Configura tion in the CONFIGURA TION MENU, and press the Ent er key . System Util ities The SYSTEM UTI[...]

T erminal Interface 4-31 4 Software Dow nload This selection is used to choose the desired mode for upgrading the DL3800E un it software revision level via download if this option is available. Highlight SOFTW ARE D OWNLOAD in the SYSTEM UTILITIES MENU and press Enter . T h e S O F T W A R E D O W N L O A D M E N U ( Figure 4-16 ) appears on th e s[...]

4-32 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 1. Copy the f iles o ff the flopp y onto th e hard driv e on th e PC. The names of the f iles w ill vary in a ccor dance wi th the curr ent software revisi on. The fi le nam e should look si milar to t he following: V1 0xxxxx .RAM. 2. Start the em ulation pr ogram o n the PC and[...]

T erminal Interface 4-33 4 Software Dow nload Options Immediate Software Ac tivation (Ena ble/Disa ble) The IMMEDIA TE SOFTW A RE ACTIV A TION mode is contro lled fr om the SYSTE MS UT ILITI ES/SOF TW A RE DOWN LOAD M ENU. When the IMMEDIA TE SOFTW ARE ACTIV A TION feat ure i s enab led, the softwar e download (using M SR, Xmodem, Kermit, TFTP) is [...]

4-34 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 RAM Software Options RAM Software Op tions - Quer y RA M Softwar e This feature determines when a valid software image exists in RA M by checking th e CRC and image ID . The query indicates if the softwar e can be activated in the unit. The following r espon se messages ar e pos[...]

T erminal Interface 4-35 4 TFTP Software Down load If immediate softwar e activation is enabled on the tar get unit, the softwar e is downloaded to the target unit, and is activated by copying the code fr om RAM to FLASH and then rebooting. A TFTP Software Download server is built into th e DL3800E. This feature allows you to do an TFTP transfer (u[...]

4-36 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 T o delete the entire unit configuration, select DELETE ENTIRE UNIT CONFIGURA TION from the SOFTW ARE UTILITIES MENU, an d press Enter . Use the arr ow keys to highlight the Desir ed Action field. Pr ess the space bar until RESE T ENTIRE NODE DA T ABASE TO F ACTOR Y DEF AUL TS a[...]

T erminal Interface 4-37 4 T o Restart No de Softwar e, select DELE TE ENTIRE UNIT CONFIGURA TION from the SOFTW ARE UTILITIES MENU ( Figur e 4-17 ) and press Enter . Use the arr ow keys to highlight the Desired Action field. Press the space bar until RESTA RT NODE SOFTWARE appea rs in the field. Confirm the cha nge. Move the highlight ba r to CONF[...]

4-38 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 Users must ha ve Full Access class to view or chan ge this screen. The na me and pa sswor d can be any alph anumeri c desi gnati on up to 16 characters in length. T o enter a name or password, move the highli ght bar to the appropriate line and column, and type in the alphanumer[...]

T erminal Interface 4-39 4 SNMP Configuratio n Through the SNMP CONFIGURA TION MENU, you configure the Network Manager (NMS) port on the rear panel of the DL3800E, setting various addresses and configurable items required for operation with an SNMP Network Manager . The DL3800E unit utiliz es SLIP protocol over the RS232 port to communicate with th[...]

4-40 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 T able 4-9 SNMP Configuration Options Option Description/Ac tion Unit IP Address The Unit IP Address is a 32-bit quantity w hich uniquely identifies the node in the IP network. This address is used by the SNMP manager to acce ss informat ion from th e node. T o set or chang e th[...]

T erminal Interface 4-41 4 T o update the SNMP database with all the changes made, move the highlight bar to CONFIRM , and press the Enter key . Changes can be confirmed af ter each chan ge or after all ch anges have been made . IP Bridging to a Remote Unit The IMUX un it now supports bridging of se lected IP packets to the remote IMUX unit. The br[...]

4-42 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 However , it is important to note that the remote IMUX ’ s “ Unit IP Add ress ” parameter must be set to some non-zero va lue in order to r espond to the bridged IP packets. SNMP trap packets from the r emote IMUX unit are m odified upon r eceipt. The source IP addres s fi[...]

T erminal Interface 4-43 4 Te s t s The TESTS MENU allows you to initiate or stop four types of loopbacks for each in dividual network port: DTE/NET WORK LOOPBACK f or the DTE, P A YLOAD LOOPBACK , LINE LOOPBACK, and LO CAL LOOPBACK. For troubleshooting suggesti ons see “ T roubleshooting the DL 3800E ” on page 6- 3 . T o access the TESTS MENU,[...]

4-44 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 T o initiate a test, use the CURSOR keys to move the highlight bar to DTE/Netw ork Loo pback or a Payloa d or Line Loopbac k on a selec ted port. Use the s pace bar to toggle between OFF and ON until ON appears in the display . When that selection appears in the display , move t[...]

T erminal Interface 4-45 4 Figure 4-21 Loopbacks within the DL3800E unit Remote Lo opback Dete ction The DL3800E has the capa bility of detecting loopbacks which are set on the rem ote 3800E or s omewhere in the network line. When a remote lo opback is detected, the 3800E r emoves the port fr om the DTE data bundle and red uces the DTE data rate, s[...]

4-46 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4 . Manual Network Rest oratio n The DL3800E ’ s E1 ports ar e no rmally set to auto restor e. However , you may choose to individually restore E1 networks after they fail, thr ough the MANUAL NETWORK RESTORA TION MENU. 1. If the po rt has p revious ly been set to “ Use w/m an[...]

T erminal Interface 4-47 4 Figure 4-22 MANUAL NETWORK RESTORA TION MENU T o manually re store a n E1 port (n etwork), use the UP and D OWN ARROW keys to highlight the line item of the corr esponding network port number . To g g l e f r o m No Change to Restore using the Space Bar . Select Confir m , and press the Enter key to save the changes. Logo[...]

4-48 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 4[...]

5-1 5 Front Panel Interface 5 G ENERAL The fro nt panel ( Figure 5-1 ) feature s a 16 character vacuum fluor escent display and four buttons that help you to move through the various menus to configure the unit, perform tests, and obtain vital performance data. The fro nt panel also fea tures six L EDs for the D TE port, one for each of the E1 netw[...]

5-2 DL3800E Inverse Multi plexer User ’ s Gu id e — July 9, 2001 5 The fr ont panel buttons are al so used for Alarm Cuto ut. When an alarm condition occurs, the External Alarm Output contacts close. This typically actuat es exte rnal al arm ind icators such as b ells or ala rm lights. P ressing any of the four fr ont panel buttons clears the c[...]

Front Pa nel Inte rface 5-3 5 Front Panel LEDs T able 5-1 Fro nt Pane l LEDs Indication De scription T est T est In Progress LED Off No tests are in progre ss. Solid Red A test condition exists. Data P ort LEDs TD Data DT E Activity L ED. Repre sents puls es to DTE. Green Pul ses ar e being d ete cted . Off No pulses are being detected. RD Date DTE[...]

5-4 DL3800E Inverse Multi plexer User ’ s Gu id e — July 9, 2001 5 Access Leve ls And Pr otect ed Mode Front panel access can be limited by placing the DL3800E unit in the Protected Mode. In this mode, you can use the Front Panel User Interf ace only to monitor the sta tus of the unit and its Error Counters, and view its configuration. The foll[...]

Front Pa nel Inte rface 5-5 5 This procedur e tak es the unit out of the Prote cted Mode (and clears any password that may have been pr ogrammed) and sets all parameters to their default settings. T o allow you to perform this procedure when the unit is in protected mode, the Pr otected Mode is ignored in the first sixty seconds after powering up. [...]

5-6 DL3800E Inverse Multi plexer User ’ s Gu id e — July 9, 2001 5 T h i s m e nu l o o p m a y a l s o b e e n t e r e d a t a n y t i m e b y p r e s s i n g t he Exit button to go up the menu hierarchy until reaching the T OP MENU. Continuing to press Exit while in the TOP MENU brings the unit to the default di splay DL380 0E INVERSE MULTIP [...]

Front Pa nel Inte rface 5-7 5 The Configuration MENU is used to view and change the unit's configuration parameters, date and time , network interface parameters, and DTE interfa ce parameters. Both the DISPLA Y and CONFIGURA TION MENUS are also able t o access the remote unit. Remote monitoring and configuratio n are only available when there[...]

5-8 DL3800E Inverse Multi plexer User ’ s Gu id e — July 9, 2001 5 Node (C ommon Equi pment) Status This display shows the status of the unit. NODE ST A TUS is accessed from the DISPLA Y MENU by pressin g Enter when NODE STATU S appear s in th e displa y . If one of mor e erro rs are detected, one or more of the following messa ges will appear [...]

Front Pa nel Inte rface 5-9 5 DTE Status The next display shows th e status of the DTE data po rt. The menu is accessed by pr essing Enter when DTE S TATUS appears in the display . If err ors are detecte d, one or more of the following messages will appear . Use the down and UP ARROW buttons to view further messages. See Ta b l e 4 - 2 o n p a g e [...]

5-10 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 Pressing the DOWN ARROW from any of these displays will step you through the last 96 15-minute intervals while dis playing the number of err ors in each of the interval. From the Net ST A TISTICS MENU, pr ess Enter . When you see Net N CV , pr ess Enter again. The first display[...]

Front Pa nel Inte rface 5-11 5 EB/CV An Errored Block (EB) is a block in which one or m ore bits are in error . The EB if therefore equivalent to t he Code Violation (CV) count calculated and disp layed in the previous vers ions of the D L3800E. This count al lows a user to mon itor the rate of EB faults on a line that i s unavailable. EBs are coun[...]

5-12 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 T ES T M ENU The TEST MENU is used to activate network loopbacks and DTE loopbacks. The TEST MENU is only available when the unit is no t in the Protected Mode.T ests are per formed by selecting a test fr om the TEST MENU or on e of the TEST submenus, an d press ing Enter . T o[...]

Front Pa nel Inte rface 5-13 5 NOTE: A menu item wil l appear only for those E1 network interfaces. installed. DTE TESTS NET 2 TESTS NET 3 TESTS NET 4 TESTS ENTER EXIT ENTER EXIT LINE LOOPBACK TEST MENU EXIT EXIT EXIT EXIT EXIT Return to Menu item : TEST S NET 1 TESTS LOCAL LOOPBACK LINE LOOPBACK ENTER EXIT ENTER EXIT PAYLD LOOP ENTER EXIT Strike E[...]

5-14 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 DTE T EST S Only one loopback can be initi ated through the DTE TESTS MENU, a bi- directional DTE/NET Loopback. T o access the DTE TESTS MENU from the TEST MENU, pr ess Enter when DTE TEST S appear s in t he displ ay . When in the DTE T EST MENU, pr essing Enter accesses the DT[...]

Front Pa nel Inte rface 5-15 5 Network T ests (1-8) Thr ee NETWORK TESTS can be performed thr ough this menu: P A YLOAD (P A Y LD) LOOPB ACK, LINE LO OPBACK and L OCAL LOOPBACK . T o access NETWORK TESTS MENU fr om the TEST MENU, p ress Enter when NETWORK TESTS MENU for a par ticular E1 cir cuit (NET 1 thr ough NET 8) appears in the displ ay . When[...]

5-16 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 Line Loopback The Line loopback i s used to verif y the operat ion of the E1 network connection (E1 through E8). Th e line loopbac k loops the data received from the E1 network back tow ards the network. The data is regenerated prior to b e i n g l o o p e d b a c k , h ow ev e[...]

Front Pa nel Inte rface 5-17 5 C ONFIGURATIO N M ENU The CONFIGURA TION M ENU is used to back up the database and to view and change th e unit and Comm Port Configuratio n parameters, network interface pa rameters, and D TE interface para meters. The r emote unit configuration may also be viewed and chan ged. The DL3800E unit configuration can only[...]

5-18 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 T able 5 -4 CON FIGU RA TION MEN U Items Menu Defin ition Backup Database Used to manually bac kup the database to EEPROM NODE CONFIG MENU Used to set the unit ’ s ID, date, time, and communications port. It also shows you the ha rdware and sof tware versio ns DTE CONF IG MEN[...]

Front Pa nel Inte rface 5-19 5 Node Confi guration The NODE CONFIG MENU allows you to configure the NODE ID, NODE N U M B E R , D A T E & T I M E a n d *N O D E C O M M P OR T ( T e r m i n a l ) . I t a l s o displays the NODE HW REV and the SOFTW ARE REV , which ar e set by the factory . The NODE CONFIG MENU is accessed thr ough the CONFIGURA[...]

5-20 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 The NODE CONFIGURA T ION MENU is used to configure various parameters of the DL3800 E, including the followi ng.[...]

Front Pa nel Inte rface 5-21 5 T able 5-5 NODE CONFIGURA TIO N MENU Items Para meter De fin ition Unit ID The Unit ID is an alphanumeric designation up to 16 characters in length. The unit is shippe d without a Unit ID. T o acce ss Unit ID from th e NODE CONFIGURA TION MENU , press Enter when Unit ID appears. Pres s Enter again an d the first space[...]

5-22 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 Local T e rminal XO N/XOFF W ith the F low Control feature On, the terminal ca n request that the T erminal quit sending data when its buffers are full. The choices are Use or Ignore XON/XOFF T erminal Multidrop If the local terminal is co nnected to mo re than one D L3800E, it[...]

Front Pa nel Inte rface 5-23 5 Note that both the NODE HW (HARDW ARE) REV and the NODE SW (SOFTW ARE) REV are set a t the factory and cannot be changed. PARITY EVEN BAUD RATE 9600 Arrow keys change parity COMM PORT CONFIG EXIT BAUD RATE 9600 ENTER PARITY E VEN Arrow keys change baud rate EXIT ENTER EXIT ENTER ENTER EXIT ENTER EXIT EXIT Arrow keys c[...]

5-24 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 DTE Conf iguratio n Menu This menu allows you to set various configurab le items for the DTE port. For each item on this menu, pr essin g the Enter button causes the configurable item to start flashin g. Pressing the up arro w and DOW N ARROW buttons ch anges th e value of the [...]

Front Pa nel Inte rface 5-25 5[...]

5-26 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 Network Confi g The NETWORK CONFIG MENU allows you to change various configurable items common to a ll E1 network ports. For each item on th is menu, pressing Enter causes the configurable item to start flashi ng. Pressing the up arr ow and DOWN ARROW buttons changes the value [...]

Front Pa nel Inte rface 5-27 5[...]

5-28 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 NET N Config The NET N CONFIG MENU allows you to change various configurable items common to all E1 network ports. The menu is shown below . For each item on this menu, pr essing Enter causes the configurable item to start flashing. Pressing the up arr ow and DOWN ARROW button [...]

Front Pa nel Inte rface 5-29 5 Pressing Enter when NET THRESHOLDS appears in the display scr een will start the menu and allo w you to scroll, using the down or up arrow buttons, through the following options: T able 5-6 NET THRESHOLD Options and V alues OPT ION VA L U E CON C RCS 010 CON C RCS OFF CON SES 010 CONSE S ON CON UAS 015 CON U AS OFF 15[...]

5-30 DL3800E Inver se Multiplexe r User ’ s Guid e — July 9, 2001 5 T o turn a Majo r Alarm ON or OFF , use the U P and DOWN AR ROW buttons to get the specific alarm in the display window and press Enter . U s i n g t h e ar r o w b u t t o ns , s e l e c t O N o r O F F . T o c h a n g e a n a l a r m t h r e s h o l d value, use the UP and DO[...]

6-1 6 Diagnostics 6 E QUIPMENT R ETURN A ND R EPAIR If faulty equipment is suspected, perform the tests in this section. If, afte r perfor ming th ese te sts, t he DL38 00E uni t or any associ ated m odule i s suspecte d to be fa ulty , call Quick Eagl e T echni cal Support at (408) 745-4200 . R UNNING D IAGNOSTIC T ESTS Y ou should test the DL3800[...]

6-2 DL3800E Inv erse Multiplex Us er ’ s Gui de — July 9, 2001 6 Figure 6-1 TESTS MENU DTE/Netw ork Loopback T est Use the DTE/NETWORK Loopback test to verify the data port and associated cabling. This bi-directional loopback loops the received data port signal back to the data port and the received E1 proce ssor signal back to the E1 network. [...]

Diagno stics 6 -3 6 Payloa d Loopb ack and Lin e Loop back T es ts Use the P A YLOAD Loopback and LINE Loopback tests to verify the proper oper ation o f the DL38 00E un it an d selecte d E1 n etwor ks. Both tests loop the pa yload data received fr om the E1 networ k back to the network. W ith the P A YLOAD Loopback, the DL3800E unit regenerates th[...]

6-4 DL3800E Inv erse Multiplex Us er ’ s Gui de — July 9, 2001 6 accomplished through DTE loopback and a self test. T esting f or the proper f unctioning of the remote DL3800E unit is accomplished by a Line loopback . It is also possible to verify the path from the DTE thr ough the E1 line to the remote-e nd DL3800E, pr ovided the DTE equipment[...]

Diagno stics 6 -5 6 The NETWORK E1 port LED ’ s on the DL380 0E unit never i lluminat e. Make sur e the E1 cable from you r ser vice provider i s conn ected to the DL3800E. Make sure that the E1 por t is set to configuration other than “ NE VER US E ” . Remove the E1 cable from the affected E1 port, an d hardloop the interface by connecting p[...]

6-6 DL3800E Inv erse Multiplex Us er ’ s Gui de — July 9, 2001 6 The NETWORK E 1 LEDs on an DL3800E un it are flashi ng green. Make sure a valid D TE device is con nected to the DL3800E, and is powered on. If no DTE device is connected and the unit is configured for V .35 or RS449, make sure that DTE LO SS is set to None . If the unit is conf i[...]

Diagno stics 6 -7 6 The conn ected DTE de vice shows in termittent e rrors. Run a DTE/NET Loo pback to verify the physical connection betwe en the local DTE device an d the DL3800E. If errors are reported during this loopb ack, check th e DTE cable. Make sure t he DTE device supports the D TE port clocking option. Use SCTE clocking for the D TE dev[...]

6-8 DL3800E Inv erse Multiplex Us er ’ s Gui de — July 9, 2001 6 Y ou canno t ac cess th e DL3800E unit from a terminal. The terminal must be running a VT100 or compatible terminal emulation program. Make sure you are using a straight through cable with pin 8 CTS cut at the terminal end. Make sure the Co mm Po r t par amet ers matc h the te r m[...]

A-1 A Specifications A E1 N ETWORK I NTER FACE E XTERNAL C LOCK I NTER FACE Parame ter Sett ing Interface T ype E1 Number of Por ts 2, 4, 6 or 8 Framing Formats CRC4 (Enabled or Disable d) Line Code HDB3 T ransmit Line Rate 2.048 Mbps ± 50 ppm Receive Line Rate 2.048 Mbps ± 75 ppm Synchr onization Inter nal, Lo op-tim ed, or Extern al Network Con[...]

A-2 DL3 800E Inverse Multiplexer User ’ s Gui de — July 9, 2001 A DTE I NTER FACE COMM POR T NMS P OR T (SNMP) Item Interface Electrical Interface HSSI or V .35/RS-449/X.21 Rate Up to 15.8 08 Mbps Connector T ypes DB-25 S ocket (V .35/RS44 9/X.21) 50-pin Sock et Amplimite (HS SI) Numb er of Ports One Item Interface Interface Devices T erminal o[...]

Specifi cations A- 3 A F RO N T P ANE L D IAGN OSTICS P OWER E NVIRO NMEN TAL Item Interface Display 16 Character Alphanumeric Key Pad F our Keys DTE Status LEDs TD, RD, R TS (T A), CTS ( CA), HSSI, TES T , T1-T8 TEST Status LEDs TEST Unit Sta tus LEDs Status MAJ MIN Item Interface Loopbacks D TE/Network, Payload, Line, Local Self T est Checks Unit[...]

A-4 DL3 800E Inverse Multiplexer User ’ s Gui de — July 9, 2001 A P HYS ICA L /C ONNECTORS E XTERNAL A LARM C ONTACTS Storage T emperatu re -20 o C to 60 o C Relat ive Humidity 0 to 95% Nonco ndensin g Altitude -200 ft to 10000 ft (-60.1 m to 3.0 48 km) above sea le vel MTBF 8 years. Item Dimens ions Mountin g 19-inch or 23-in ch rack mount ing[...]

Specifi cations A- 5 A The External alarms are used to turn on a Bell or Light to indicate that an alarm has occurred on the DL3800E. Either the Major , Minor , o r both can be wired to the DB-9 Connector on the back. Normally Open ( Major or Min or) – Th e Al arm is off when there i s an open on the alarm circuit. W ill indicate a n alarm when t[...]

A-6 DL3 800E Inverse Multiplexer User ’ s Gui de — July 9, 2001 A[...]

B-1 B Pinouts B T ERMINAL C ONNECT ION DCE C ONNECTORS T able B-1 COMM and NMS Por t Pin Ass ignment s SIGN AL DI RECTI ON PIN Receiv e Data T o T e rminal 2 RD Send Dat a From T erminal 3 SD Clear to Send T o T erminal (C onnect betw een units , but not t o the T ermi nal) 8 C TS Signal Ground (Bidirectional ) 5 SG T able B-2 HSSI DC E Connec tor [...]

B-2 DL3800E I nverse Multi plexer User ’ s Gu id e — July 9, 2001 B C HANNEL 1 D ATA C ABLE P IN A SSIG NMENTS The pin a ssignme nts f or the V .35 , M-34 to DB-25 D TE cable a re l isted in Ta b l e B - 3 . SG- Signal Ground 5 ancillary from DCE — 19 44 5 ancillary from DCE T o DTE 20- 24 33-49 SG - Signal Gr ound — 25 50 T able B-3 V .35,[...]

Pino uts B-3 B T able B-4 EIA-530, DB-25 to DB-25 DCE Connector Pin Assignmen ts DB-2 5 DB-25 SIGN AL 17 35 24 11 SCTE 7 25 4 19 RTS 24 6 16 3 RD 22 4 14 2 TD 11 18 6 25 DSR 27 8 13 5 CTS 13 31 8 10 RLSD 26 8 9 17 SCR 5 23 15 12 SCT 19 NC 7 NC SG 1N C F G[...]

B-4 DL3800E I nverse Multi plexer User ’ s Gu id e — July 9, 2001 B DB-25 to DC-3 7 Data Por t Cable Pin A ssignments The pin assignments for the DB-25 to DC-37 Data Port cable are listed in Ta b l e B - 5 . T able B-5 DB-25 to DC-37 D ata Port Cabl e Pin Assignme nts DC-37 DB-25 Signal Name Signa l 17 24 TT A From DTE 35 11 TT B From DTE 74R S[...]

Pino uts B-5 B C OMMUNICATION P OR T P IN A SSIGNME NTS RS-449, DC-37 to DB-25 DCE Cable Pin Assignm ents T able B-6 des cribes the RS- 449, DC-37 to DB-25 DCE cable pin as sign ment s. T able B-6 RS-449, D C-37 to DB-25 DCE Cable Pin Assignmen ts DC-3 7 DB-25 82 4 26 11 13 4 31 19 22 16 43 24 14 62 12 6 30 22 29 23 11 20 25 10 78 35 9 17 17 19 7 N[...]

B-6 DL3800E I nverse Multi plexer User ’ s Gu id e — July 9, 2001 B E1 N ETWORK P IN A SSIGNMEN TS The network con nector is a DA -15 conne ctor . The assign ments for the Network connector are given below . DB-25 TO DE-9 A DAPTER P INOUTS An adapter is available f rom Quick Eagle Networks that will allow the Q u i c k E a g l e N e t w o r k s[...]

Pino uts B-7 B X.21 TO DB-25 C ABLE P INOUTS E XTERNAL C LOCK C ONNECTOR P IN A SSIGNME NTS A DE-9 connector is provided on the DL3800E unit rear panel for connection to an External Clock. Pin Assignm ents for the External Clock connector ar e as Listed in T able B-1 4: T able B -9 DB-2 5 to DB-1 5 Pino uts X.21 Si gnal N ame DB-25 3 Control (A) 4 [...]

B-8 DL3800E I nverse Multi plexer User ’ s Gu id e — July 9, 2001 B Per RS-422 requir ements, the receive r has an input sensitivity of 200 mV over the input volta ge range of ±7 V . The fr equency is 2.04 8 MHz ± 50 ppm , and the impeda nce is 10 k W.[...]

Pino uts B-9 B A LAR M P INOUT Pin Assignments f or the Alarm conne ctor are as follows: T able B-1 1 Alarm Pinout Maj - Major Min - Minor NC - Normally Closed (unless alarm co ndition is true this pin is connected to the appropriate comm pin) NO - Normally Open (only during an ala rm condition will this be connected to the appropriate comm -p i n [...]

B-10 DL3800E Inver se Multiplexe r User ’ s Guide — July 9, 2001 B DC P OWER C ONNECTIONS Figure B-1 DC Powe r Conne ction s DTE C LOCK R ATES T able B-12 DTE Clock Rate s NETWORKS DTE CLOCK RA TE, MBP S TSLOT16= DA T A 1 1.976 2 3.952 3 5.928 4 7.904 5 9.880 6 11.856 7 13.832 8 15.808 TSLOT= FLAG 1 1.912 2 3.824 3 5.736 4 7.648 5 9.560 6 11.47[...]

C-1 C Factory Default Setti ngs C T able C -1 Unit Settings Unit Set ting ALARM ENABLE D isabled AUTOMA TIC BACKUP 5 minutes after each database chan ge FRONT P ANEL On UNIT NUMBER 0 TERMINAL BAUD RA TE 9600 TERMINAL P ARITY & BITS 8 bits, No parity TERMINAL STO P BITS 2 XON/XOFF Enabled MUL TID ROP E nabl ed T able C-2 DTE Settings DTE Settin [...]

C-2 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 C T able C-3 Net work Setting s Network Se tting ALARM Mask ACTIVE/RESTORE M ODE Never Use FRAME CR C4 LINECOD E HDB3 TSLOT 16 DA T A NA TI ONAL BI T 1-5 PRI MARY CLOCK SOUR CE Xmt Int. Rcv Net 1 SECON DARY CLOC K SOUR CE Xmt Int. Rcv Net 2 DSU MODE Inve rse Mux (Standard Operation[...]

Facto r y Default Se ttings C-3 C BITS & P ARITY 8 bits, No parity STOP BITS 2 T able C-6 T est Settings Te s t s Setting ALL LOOPBACKS & TESTS Off T able C-5 SNMP Configuration Settings SNM P Co nf igu rat io n Setting[...]

C-4 DL3800E In verse Multiple xer User ’ s Guide — July 9, 2001 C[...]

G-1 G Glossary G A ABAM A designation for 22-gauge, 1 10-ohm, plastic-insulated, twisted-pair W estern Electric cable normally used in central offices . AIS (A larm In dicatio n Signa l) A n u n f r am e d s e q u e n c e o f A l l O n e s n o r m a l l y s e n t b y a D S U / C S U t h a t c an n o t maintain the required pulse density in AMI mod [...]

G-2 DL3800E I nverse Multip lexer User ’ s G uid e — July 9, 2001 G B B8ZS (B ipol ar 8 Zero S ubst ituti on) A technique used to a ccommodate the ones den sity requir ements of T 1 transmission. bandwi dth The data-carrying capacity of a transmission medium, usually measured in Hertz (Hz), which equals cycles per second. bau d A measurement of[...]

Glossar y G- 3 G broadba nd Services or interfaces that operate above the T1 data rate, typically at N xT 1, T3 , SONET , o r A TM s pe e ds . BPV (Bipo lar V iolatio n) Occurs when the ones bit is not repr esented with the opposite signal of the previo us ones bit. C CCITT International T elegraph and T elephon e Consultative Committee. cent ral o[...]

G-4 DL3800E I nverse Multip lexer User ’ s G uid e — July 9, 2001 G connector A physical interface, such as DB - 1 5 or R S- 23 2 -C , typically with male or female components. CPE (Cus tomer Premi ses Equi pment) Equipment that interfaces the telephone network and physically resides at your location. CRC (Cyclic Red undancy Check) An err or ch[...]

Glossar y G- 5 G data li nk Any serial data communication transmission path, generally between two adjacent nodes or devices and without any intermediate switching n odes. data li nk laye r In the OS I model, the network processing entity that establishes, maintains and releases da ta link connections between adjacent elements in the netw ork. DCE [...]

G-6 DL3800E I nverse Multip lexer User ’ s G uid e — July 9, 2001 G DSU Loopba ck A DSU l oopback i s intended to include as much o f the cust omer data communications cir cuitry in t he looped-back path as possible. The signal passe s from the re mote unit into the local un it as far as the DS U. This test loops the rece ived network signal ba[...]

Glossar y G- 7 G equali zation The spacing and operatio n of amplifiers so that the ga in provided by the amplifier , per transmission frequency , coincides with the signal los s at the same frequency; circuitry that compensates for the diff erences in attenuation at diff eren t freq uencies. ES (Er ro red Sec ond) Occurs when a secon d has one or [...]

G-8 DL3800E I nverse Multip lexer User ’ s G uid e — July 9, 2001 G frame re lay A high-speed pa cket switching pr otocol used fo r wide ar ea networks (W ANs); faster than traditional X .2 5 networks, because it was designed for today's re li a b le circuits and performs less rig orous error detection. Frame relay network s use bandwidth [...]

Glossar y G- 9 G LOF (Loss of Frame) Occurs when a received digital signal loses fram e synchronization. LOFC (Loss of Frame Count ) A count of declar ed Loss of Frame ev ents ( ES F fr aming only). loo pba ck A diagnostic test in which the transmitted signal is returned to the sending device after passing thro ugh a data communications lin k or ne[...]

G-10 DL3800E Inver se Multiplexe r User ’ s Guide — July 9, 2001 G multidr op A communications arrangement where multiple devices share a common transmission channel, though only o ne may transmit at a time. N NEBS A network Equipment Buildin g Systems require ment. A standard issued by Bellcore that spells out central office standard s for gro[...]

Glossar y G- 11 G pola rity Any condition wher e ther e ar e two opposing cha rges, such as positive and negative. port The physical po int of access into a computer , n etwork or oth er electronic device. pro toc ol A formal set of rules governing the format, timing, sequencing and err or control of exchanged messages on a data netw ork. R RD (Rec[...]

G-12 DL3800E Inver se Multiplexe r User ’ s Guide — July 9, 2001 G RS23 2-C An EI A specif ied physical interface, with associa ted electrical signaling, between data cir cuit terminating equipment (D CE) a nd data terminating equipment ( DT E). RS449 A common 37-position interface for data terminal equipment and data circuit terminating equipm[...]

Glossar y G- 13 G SG (S igna l G round ) A s ig n al f rom D T E to DSU/CSU. simplex current One way trans mission used by T elco to pr ovide power to r epeaters. SLIP (S erial L ine IP ) A TCP/IP protocol that allows IP packets to be transmitted over a serial link, such as a dial-up or private telephone line. SMDS (Swi tch ed Mu ltime gab it Da ta[...]

G-14 DL3800E Inver se Multiplexe r User ’ s Guide — July 9, 2001 G T -Carrier A time-division, m ultiplexed digital transmission f acility , usually operating at an a gg reg a t e d a ta r at e of 1.544 M bp s . telne t A remote terminal application that enables you to log on to a remote computer o n t h e s a m e I P n e t w o r k . Y o u c a [...]

I-1 I Index I A Alarm Leve l 4-1 6 Alar ms and Statu s 4-5 Application 2-3 Audien ce xvii AW G t r a y c a b l e 3- 3 B Button Overview 5- 1 C cable installing DC power 3-4 cable ties 3-4 COMM and NMS Port Pin Assignment s B-1 COMM POR T A- 2 Configuratio n 4-17 Configuratio n Menu 5-17 CONFIGURA TION MENU Items 5-18 Conventions xviii D DB-25 to DE[...]

I-2 DL3800E Inverse Multip lexer User ’ s Guid e — July 9, 200 1 I N NET (1-8) Statistics 5-9 NET (1-8) Status 5-9 NET N Config 5-2 8 NET ST A TISTICS MENU I nformation Display 5-9 NET Ststis tics Items 4-13 , 5-10 NET THRESHOLD Options and V alues 5-29 Network Confi g 5- 26 Network Con figuration 4-2 5 Network Con figurat ion Menu 4-26 Netwo r[...]