ADC HDSL4 инструкция обслуживания

HDSL4 HDSL4 U SER M ANUAL H4TU-C-319 List 1 Line Unit Product Catalog: H4TU-C-319-L1 CLEI: VACJNUNE[...]

LTPH-UM-1031-03, Issue 3 ii September 12 , 2003 H4TU-C-319 Lis t 1 Revision History of This Manual To order copies of this document, use document number LTPH-UM-1031 -03. Copyright September 12, 2003 © 2003 ADC DSL Systems, In c. All rights reserved. Trademark Info rmation ADC is a registered trademark of ADC Tele communica tions, Inc. HiGain is a[...]

LTPH-UM-1031-03, Issue 3 Using This Manual H4TU-C-319 List 1 Se ptember 12, 20 03 iii U SING T HIS M ANUAL The following conventions are used in this manu al: • Monospace type indicates screen text. • Keys you press are indicated by small icons such as or . Key combinations to be pressed simultaneously are indicated with a pl us sign as follows[...]

Inspecting Shipmen t LTPH-UM-1031-03, Issue 3 iv September 12 , 2003 H4TU-C-319 Lis t 1[...]

LTPH-UM-1031-03, Issue 3 Table of Contents H4TU-C-319 List 1 Se ptember 12, 20 03 v T ABLE OF C ONTENTS Overview ______________ ______________ _________________ _________________ ______________ 1 Features ............ ............ .............. ........... ........... ............... ........... ........... .............. ........ . ..............[...]

Table of Contents LTPH-UM-1031-03, Issue 3 vi September 12 , 2003 H4TU-C-319 Lis t 1 System Alarms.............. ........... .............. ........... ............ .............. ........... ........... .............. .. ....... ........ 42 Alarm Option for DLC Feed .................... .............. ........... .............. ............ ......[...]

LTPH-UM-1031-03, Issue 3 List of Figures H4TU-C-319 List 1 Se ptember 12, 20 03 vii L IST OF F IGURES 1. H4TU-C-319 List 1 Front Panel .............. .............. ........... .............. ............ .............. ........... ..... ...... ............ ..... 3 2. Installing the H4TU-C-319 List 1 into a Shelf ...... ... .............. .........[...]

List of Tables LTPH-UM-1031-03, Issue 3 viii September 12 , 2003 H4TU-C-319 List 1 L IST OF T ABLES 1. Front-Panel Description .......... ........... .............. ........... ............... ........... .............. ........... ... ...... ........... ........... .. 4 2. Front-Panel Display Messages................. ........... .............. ..[...]

LTPH-UM-1031-03, Issue 3 Overview H4TU-C-319 List 1 Septembe r 12, 20 03 1 O VERVIEW The H4TU-C-319 List 1 is the Central Office (CO) side of a T1 transmission system. The A DC ® four-wire HDSL2 product family (hereafter referred to as “HDSL4”) is based on the HDS L4 standard ANSI T1.418 Issue 2. The H4TU-C, when used with an H4TU-R remote uni[...]

Overview LTPH-UM-1031-03, Issue 3 2 September 12, 2003 H4TU-C-319 List 1 • Both doubler and non-doubler app licati ons are comp atible with ADSL services in same binder group • Configuration op tions — Selectable DSX-1 pre-equalizer — Bipolar Violation Tr ansparency (BPVT) — Bit Error Rate (BER) alarm — Power Back Off Network (PBON) and[...]

LTPH-UM-1031-03, Issue 3 Front Panel H4TU-C-319 List 1 Septembe r 12, 20 03 3 F RONT P ANEL Figure 1 shows the H4TU-C-319 List 1 front panel. Table 1 on page 4 describes the front-panel components. For a list of front-panel display m essages, refer to Table 2 on page 5 . For pinout diagrams of the H 4TU-C card-edge connector and craf t port, ref e [...]

Front Panel LTPH-UM-1031-03, Issue 3 4 September 12, 2003 H4TU-C-319 List 1 Table 1. Front-Panel Description Front-Panel Feature Function Front-panel display Displays four-chara cter status, provisioni ng, and alarm system messa ges. The front-panel display illuminates when power is initia lly applied. To conserve power the display only remains on [...]

LTPH-UM-1031-03, Issue 3 Front Panel H4TU-C-319 List 1 Septembe r 12, 20 03 5 Table 2 lists the front-panel display messages. The four-character display reports the code of an alarm, loopback, or diagnostic message and, in some cas es, is followed by a second four-char acter message that modifies the first message with a value or current configurat[...]

Front Panel LTPH-UM-1031-03, Issue 3 6 September 12, 2003 H4TU-C-319 List 1 LOOPBACK MESSAGES CDU1 Customer Doubler 1 Loopback DS1 signal from customer is looped back to the customer at H4D1 (111100). CDU2 Customer Doubler 2 Loopback DS1 signal from customer is looped back to the customer at H4D2 (111110). CLOC Customer Local Loopback DS1 signal fr[...]

LTPH-UM-1031-03, Issue 3 Front Panel H4TU-C-319 List 1 Septembe r 12, 20 03 7 FRM xxxx Frame: SF, ESF, UN FR Defines the type of frame pattern being received from the DSX-1: SuperFrame (SF), Extended SuperFra me (ESF), or Unframed (UNFR). CODE xxxx Line Code: AMI, B8ZS The line code that the H4 TU-C is receiving at its DSX-1 interface, if the DS1 o[...]

Installation LTPH-UM-1031-03, Issue 3 8 September 12, 2003 H4TU-C-319 List 1 I NSTALLATION Figure 2. Installing the H4TU-C-31 9 List 1 into a Sh elf 1 Align the H4TU-C wi th the enclosur e slot guides, then push the uni t in until it touches the backplane card-edge connector. 2 Place your thumbs on the front panel and push the H4TU-C into the slot [...]

LTPH-UM-1031 -03, Issue 3 Installation H4TU-C-319 List 1 Septembe r 12, 20 03 9 V ERIFICATION Once the H4TU-C is installed, verify that it is opera ting prop erly. To do this, monitor the followi ng: • Status LED • Status messages reported by the front-panel display (see Table 2 on page 5 ) Verification without a Downstream Device If there is n[...]

Provisioning LTPH-UM-1031-03, Issue 3 10 September 12 , 2003 H4TU-C-319 List 1 P ROVISIONING There are two methods for provisioning : • Use the MODE and SEL pushbuttons on the front panel of the H4TU-C to: — Set system options — Reset the H4TU-C to its factory defaul t set tings for system options — Display system option settin gs (scroll m[...]

LTPH-UM-1031-03, Issue 3 Provisioning H4TU-C-319 List 1 September 12, 2003 11 Resetting to Factory Default All user options for the H4TU-C-319 List 1 ( Table 5 on page 19 ) can be set to the factory default values using the MODE and SEL pushbuttons. To set the us er options to their default val ues: 1 Press the SEL pushbutton for 6 seconds until t [...]

Provisioning LTPH-UM-1031-03, Issue 3 12 September 12 , 2003 H4TU-C-319 List 1 U SING A M AINTENANCE T ERMINAL Connecting to a Maintenance Terminal The craft port on the front panel a llows you to con nect the H4TU-C-319 to a ma inten ance terminal (ASC II terminal or PC running a terminal em ulation program). Once co nnected to a maintenance termi[...]

LTPH-UM-1031-03, Issue 3 Provisioning H4TU-C-319 List 1 September 12, 2003 13 Figure 3. Logon Screen Most VT100 emulation pr ograms support a p rin t screen optio n. For Window s-based programs, such as Procomm or HyperTerminal, r efe r to the Help menu for instructions. Table 4. Logon Screen Menus Press this key: To access this menu: Menu Function[...]

Provisioning LTPH-UM-1031-03, Issue 3 14 September 12 , 2003 H4TU-C-319 List 1 Rlogon / Rlogout Remote logon can be performed from the H4TU-C or the H4TU-R. The screen disp lays “ R logout” when the H4TU-C or H4TU-R is remotely logged on to the other unit at the end of the circuit. Remote logon from the H4TU-C will pe rmit viewing of the H4TU-R[...]

LTPH-UM-1031-03, Issue 3 Provisioning H4TU-C-319 List 1 September 12, 2003 15 P ROVISIONING T ASKS After the H4TU-C-319 is successfully inst a lled, perform these basic provisioni ng tasks: 1 Set the date and time (see “Setting Date and Time” on th is page). 2 Set the circuit ID numbers (see “Setting Circuit ID Numbers” on page 16 ). 3 Make[...]

Provisioning LTPH-UM-1031-03, Issue 3 16 September 12 , 2003 H4TU-C-319 List 1 Setting Circuit ID Numbers The Inventory screen provides pro duct information on all unit s in the system and allows setting of the circuit and unit identification numbers. Figure 5. Inventory Screen 1 Press to select the Inventory screen. 2 Type the Circuit ID number, t[...]

LTPH-UM-1031-03, Issue 3 Provisioning H4TU-C-319 List 1 September 12, 2003 17 Configuring the System The Config menu ( Figure 6 ) allows you to make the following types of system configuration chang es: • Standard options ( Figure 7 on page 18 ) • ADC options ( Figure 8 on page 18 ) • BERT Generator ( Figure 30 on page 56 ) • Date and time [...]

Provisioning LTPH-UM-1031-03, Issue 3 18 September 12 , 2003 H4TU-C-319 List 1 Figure 7. Config Menu - Standard Options (defaults shown) Figure 8. Config Menu - ADC Options (defa ults shown) M onitor P erformance E vent Log C onfi g I nventory Rep o rt R logon H elp +---------------- ------+ | Standard Option s -> | + ----------------------- ---[...]

LTPH-UM-1031-03, Issue 3 Provisioning H4TU-C-319 List 1 September 12, 2003 19 Table 5 describes the St andard Config menu options and lists their menu screen display codes. Table 6 on page 20 describes the ADC Config menu options. Sel ections in bold type are the factory default settings. Table 5. H4TU-C-319 List 1 Standard Config Menu Opt ion s St[...]

Provisioning LTPH-UM-1031-03, Issue 3 20 September 12 , 2003 H4TU-C-319 List 1 H4TU-R TLOS Loopback TLOS ENA Enables a logic loopback at the H4TU-R when an LOS occurs at its DS1 input. For priority resolu tion, see Figure 27 on page 45 . DIS Disables TLOS logic loopback. Network Loopback Pattern NLBP AIS Enables the H4TU-R to tr ansmit AIS towards [...]

LTPH-UM-1031-03, Issue 3 Provisioning H4TU-C-319 List 1 September 12, 2003 21 HDSL4 Block Error Rat e Thresh old (HBER) Option. The HBER option permits monitoring of loop integrity and report ing of alarms when excessive errors are detected. The pe rformance moni toring (PM) primitive used for this purpose is the CRC checksum performed on the HDSL4[...]

Provisioning LTPH-UM-1031-03, Issue 3 22 September 12 , 2003 H4TU-C-319 List 1 Alarm Pattern (ALMP) Option. To improve HDSL4 compatibi lity with th e switch-to-protect features used in Digital Loop Carrier (DLC) feeder appl ications, the H4TU-C-319 has an ALMP option that allows you to select either an AIS or LOS DS1 output payload for the follow i[...]

LTPH-UM-1031-03, Issue 3 Provisioning H4TU-C-319 List 1 September 12, 2003 23 Resetting to Factory Defaults To reset the H4TU-C-319 to its original factory defaults: 1 Press to select the Config menu. 2 Use the and arrow keys to select Set Factory Defaults , then press . 3 Press if you are certain you wa nt to reset the H4TU-C, or press to cancel t[...]

Provisioning LTPH-UM-1031-03, Issue 3 24 September 12 , 2003 H4TU-C-319 List 1 Clearing the History, Ala rm, and Event Log Screens Select Master Clear to clear the History, Alarm, and Event Log screens after the system has been installed and is functioning properl y. This removes miscellaneous data acquired during the startup sessio n and ensures c[...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 25 M ONITORING S YSTEM A CTIVITY AND P ERFORMANCE The HDSL4 system provid es the following mainten ance sc reens for monitoring syst em activity and assessing performance. • The Monitor screens provide a graphi cal representation of circu i[...]

Monitoring System Activity and Perf ormance LTPH-UM-1031-03, Issue 3 26 September 12 , 2003 H4TU-C-319 List 1 Figure 12. Monitor Screen - Active Loopback with Alarm s 2 To initiate a loopback, press the to cycle through the loopback choices. Press to m ake your choice. When prompted with the message: Are you sure (Y/N)? , press to initiate the loop[...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 27 UAS Count Unavailable Secon ds—The number of seconds during which the DS1 input signal was absent over a 24-hour period. Frame and Code Type ESF Type of DS1 framing used on the input stream (S F, ESF, or UNFR). B8ZS Type of DS1 line codi[...]

Monitoring System Activity and Perf ormance LTPH-UM-1031-03, Issue 3 28 September 12 , 2003 H4TU-C-319 List 1 U SING THE P ERFORMANCE S CREENS TO V IEW P ERFORMANCE D ATA The Performance screens display: • DS1 and HDSL4 statistics in 31-day, 48-hour , 25-hour, and current history reports. • Alarm statistics for the HDSL4 ( Figure 22 on page 35 [...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 29 Figure 14. H4TU-C DS1 25-Hour Performance History Figure 15. H4TU-C DS1 48-Hour Performance History M onitor P erformance E vent Log C onfi g I nventory Rep o rt R logon H elp H4T U-C DS1 25-Hour Histo ry (Page 1 of 9) --------------------[...]

Monitoring System Activity and Perf ormance LTPH-UM-1031-03, Issue 3 30 September 12 , 2003 H4TU-C-319 List 1 Examples of current statistic s screens are shown below. Figure 16 and Figure 17 show statistics for the DS1 interface at the remote unit and line uni t, respectively. These screens report 1-day, 1-hour, and 15-minute statistics. Refer to T[...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 31 Table 9. Acronyms Used on the DS1 Performance History Screens Acronym Description Acronym Description CV-L Code Violation - Line Total BPV count. SES-P Severely Errore d Seconds - Path Seconds with SES or CRC(ES F) ≥ 320 or FE (a) (SF) ?[...]

Monitoring System Activity and Perf ormance LTPH-UM-1031-03, Issue 3 32 September 12 , 2003 H4TU-C-319 List 1 Performance History at the HDSL4 Interface The HDSL4 interface has 31 -day, 48-hour, 25-hour, and curren t statistic screens for the H4TU-C. Figure 18 and Figure 19 below are examples of 31-day and 48-hour perfo rma nce histo ry screens. Fi[...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 33 Figure 20. H4TU-C HDSL (Loop 1/Loop 2) 25-Hour Perfo r mance Hi st ory Figure 21 shows statistics for the HDSL4 interface at the H4TU-C. This screen reports 1-day, 1-hour, and 15-minute statistics. R efer to Table 10 on page 34 for descrip[...]

Monitoring System Activity and Perf ormance LTPH-UM-1031-03, Issue 3 34 September 12 , 2003 H4TU-C-319 List 1 Table 10. Acronyms Used on the HDSL4 Performance History Screens Acronym Description CV Code Violation Total count of HDSL4 CRC errors ES Errored Seconds Seconds with HDSL4 CRC ≥ 1 or LOSW ≥ 1 SES Severely Errored Seconds Seconds with H[...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 35 U SING THE P ERFORMANCE S CREENS TO V IEW A LARM D ATA To access the alarm history screens: 1 Press to select the Performance screen. 2 Press the to select an interface ( H4TU- C DS1, H4TU-R DS1, H4TU-C HDSL , H4DU-1 NET HDSL, H4DU-1 CPE H[...]

Monitoring System Activity and Perf ormance LTPH-UM-1031-03, Issue 3 36 September 12 , 2003 H4TU-C-319 List 1 Figure 23. H4TU-R DS1 Alarm History Screen Table 11. DS1 Alarm Descriptions Screen Alarm Front-Panel Alarm Description H4TU-C DS1 Alarms ( Figure 22 on page 35 ) LLOS (a) (a) This is a DS1-specific alarm that also issues a minor alarm (sent[...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 37 Alarm History at the HDSL4 Interface The HDSL4 Alarm History screens re port alarms for the HDSL4 inte rface at the H4TU-C and H4TU-R. Figure 24 shows the H4TU-C HDSL4 alarm hist ory. Table 12 describes the alarms that ar e reported at the[...]

Monitoring System Activity and Perf ormance LTPH-UM-1031-03, Issue 3 38 September 12 , 2003 H4TU-C-319 List 1 U SING THE E VENT L OG TO T RACK S YSTEM E VENTS To view a running log of system events, press to sel ect the Event Log. The Event Log displays the date and time of the 100 most recent events (the most recent displayed first) and prov ides [...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 39 Table 13. Event Log Entry Messages List Event Log Messages HDSL4 DC pair open begins/ends on any segment HDSL4 Ground fault begins/ends on any segment H4TU-C Power up/down H4TU-R Power up/down HDSL4 margin alarm (threshold cros sed) on any[...]

Monitoring System Activity and Perf ormance LTPH-UM-1031-03, Issue 3 40 September 12 , 2003 H4TU-C-319 List 1 U SING THE R EPORT M ENU The Report menu ( Figure 26 ) provides screens co ntaining status and performance monitoring data for line and remote units which can b e downloaded to a file for analysis or future reference. Table 14 on page 41 de[...]

LTPH-UM-1031 -0 3, Issue 3 Monitoring System Activity an d Performance H4TU-C-319 List 1 September 12, 2003 41 Table 14. Report Types Type Contains the following information: Full Report • Circuit and unit identifications • Product information • System configuration • Current performanc e statistics • Alarm history • Performance history[...]

Testing LTPH-UM-1031-03, Issue 3 42 September 12 , 2003 H4TU-C-319 List 1 T ESTING This section provides information about front-panel system alarms, LOS and AIS response, the OCT55 test procedure, and loopback testing. S YSTEM A LARMS Table 15 summarizes all possible system alar ms in order of pr iority as they appear on the front panel. When mult[...]

LTPH-UM-1031 -0 3, Issue 3 Testing H4TU-C-319 List 1 September 12, 2003 43 RRAI Remote RAI—Remote Alarm Indi cation at the H4TU-R (Net signal has errors.) Indicates an RAI al arm (yellow) from the CPE with errors from the line unit or network. Cannot be inhibited. xxx -DBER DS1 Bit Error Rate The DS1 BER has exceeded the set 24-hour threshold lim[...]

Testing LTPH-UM-1031-03, Issue 3 44 September 12 , 2003 H4TU-C-319 List 1 Alarm Option for DLC Feed To improve H DSL4 compatibilit y with the switch- to-prot ect features used in DLC feeder applications, the H4TU-C-319 has an Alarm Pattern (ALMP) option that allows you to select either an AIS or LOS DS1 output payload for the following alarms: • [...]

LTPH-UM-1031 -0 3, Issue 3 Testing H4TU-C-319 List 1 September 12, 2003 45 Remote LOS and AIS Response Figure 27 shows the different way s th e H4TU-R can respond to the network, depending on the configuration of the NLBP, TLOS, RDA, and ALMP co nfiguration options described in Table 5 on page 19 and Table 6 on page 20 . Figure 27. H4TU-R LOS and A[...]

Testing LTPH-UM-1031-03, Issue 3 46 September 12 , 2003 H4TU-C-319 List 1 L OOPBACK O PERATION HDSL4 has a family of loopback options for analyzi ng circu it functionality. The loop back signal is transm itted and returned to the sending device for co mparison. This allows you to verify the integrity of the HDSL4 channels to the H4TU-C, the H4TU-C [...]

LTPH-UM-1031 -0 3, Issue 3 Testing H4TU-C-319 List 1 September 12, 2003 47 Generic Loopback Commands The HDSL4 Generic Loopback (GNLB) commands allow you to use inb a nd codes to lo op up either NLOC (4-i n-7) or N REM (3-in- 7) towa rds the net work. In addition, these inband codes loop up CREM (6-in-7) or CLOC (5-in-7) towards the customer. Eithe[...]

Testing LTPH-UM-1031-03, Issue 3 48 September 12 , 2003 H4TU-C-319 List 1 Manual Loopback Session A manual loopback session allows you to select any one of th e HDSL4 loopbacks listed in Table 16 on page 51 with the exception of SmartJ ack loopbacks, which can only be issued by inban d commands. Setting the Loopback Time-Out Option (LBTO) Before in[...]

LTPH-UM-1031 -0 3, Issue 3 Testing H4TU-C-319 List 1 September 12, 2003 49 • CDx? = Doubler 1 or Doubler 2, if H4D is available • CLO? = CLOC • COL? = Dual loopback at H4TU-C • DxL? = Dual loopback at Doubler 1 or Doubler 2, if available • RUL? = Dual loopback at H4TU-R 4 Press SEL to activate the sel ected loopback. The previous loopback[...]

Testing LTPH-UM-1031-03, Issue 3 50 September 12 , 2003 H4TU-C-319 List 1 Figure 29. Loopback Modes All ones All ones All ones SP AN 4 SP AN 3 SP AN 1 CDU1 4 in 6 111100 HDU-409 NDU2 SP AN 2 CDU1 4 in 6 111100 HDU-409 NDU1 H4D1 H4D2 All ones All ones HDSL4 SP AN HLU HLU HLU C742 ‡ All ones HDSL4 SP AN D3D3 ‡ HLU HLU HLU CREM HR U-412 5 IN 7 CLO[...]

LTPH-UM-1031 -0 3, Issue 3 Testing H4TU-C-319 List 1 September 12, 2003 51 GNLB Test Procedures Figure 29 on page 50 is a graphical representation of the various loopback configurations with the associated GNLB commands shown. Refer to Table 16 for a description of these commands. Table 16. Summary of HDSL4 Lo opback and Activation Codes Method of [...]

Testing LTPH-UM-1031-03, Issue 3 52 September 12 , 2003 H4TU-C-319 List 1 To perform the GNLB loopback test procedure: 1 Have the CO tester send the NREM (3-in-7) inband loopup code for 5 second s. You shou ld observe the NREM message on the front-panel display. (The Stat us LED on the fro nt panel should b e green, and the loopback mode should als[...]

LTPH-UM-1031 -0 3, Issue 3 Testing H4TU-C-319 List 1 September 12, 2003 53 A5LB Test Procedure Using the codes listed in Table 18 , a network tester can activate NLOC or NREM loopbacks (or SMJK, if enabled). A tester at the customer premises can activ ate CLOC or CREM loopbacks. Table 18. A5LB Addressable Repeater Loop back Comm ands Name Binary Co[...]

Testing LTPH-UM-1031-03, Issue 3 54 September 12 , 2003 H4TU-C-319 List 1 To perform the A5LB test procedures: 1 Send the inband Arming and NI LPBK code 11 000 to the H4TU-C for at least 5 seconds. 2 Monitor the output of the H4TU-C for the return of the pattern. Return of the pa ttern indicates one of the following: • The H4TU-R has looped up (i[...]

LTPH-UM-1031 -0 3, Issue 3 Testing H4TU-C-319 List 1 September 12, 2003 55 5 Once the test is complete, do on e of the follo wing: • If the system is to loop down but remain armed, send the IR (Intelligent Repeater) LPDN code (un iversal loopdown). • If all the equipment is to be looped down, disarm ed and ret urned to normal operation, send th[...]

Testing LTPH-UM-1031-03, Issue 3 56 September 12 , 2003 H4TU-C-319 List 1 T ESTING WITH H4TU-C BERT G ENERATOR The H4TU-C BERT Generator screen allows transmission of an unframed test signal from the H4TU-C toward either the CI or the network. 1 Press to select the Config menu ( Figure 30 ). 2 Use the and arrow keys to select BERT Generator, then p[...]

LTPH-UM-1031 -0 3, Issue 3 Testing H4TU-C-319 List 1 September 12, 2003 57 T ESTING WITH H4TU-R BERT G ENERATOR The H4TU-R BERT Generator screen allow s transmission of an unfram ed test signal from t he H4TU-R towards either the network (NET) or customer (CPE). Bit error rates are calculate d and display on the Monitor sc reen . 1 Press to logon r[...]

Appendix A - Specificatio ns LTPH-UM-1031-03, Iss ue 3 58 September 12 , 2003 H4TU-C-319 List 1 A PPENDIX A - S PECIFICATIONS Power Line Voltage 0, -185 Vdc, ±123 Vdc (Voltage is applied across Loop 1 and Loo p 2.) CO Supply -48 Vdc nominal (-42.5 Vdc to -56.5 Vdc) See “Power Consumption” and “Maximum Power Dissipation” and “Maximum Curr[...]

LTPH-UM-1031-03, Issue 3 Appendix A - Specifications H4TU-C-319 List 1 September 12, 2003 59 System One-way DS1 Delay <700 µs Wander (Looped) Meets MTIE T1.101 requirements Wideband Jitter (Looped) 0.2 UI maximum Narrowband Jitter (L ooped) 0.1 UI maximum[...]

Appendix A - Specificatio ns LTPH-UM-1031-03, Iss ue 3 60 September 12 , 2003 H4TU-C-319 List 1 P OWER C ONSUMPTION The three most important power parameter s of an H4TU-C are its maxi mum power cons umption, max imum power dissipation, and maxim um current drain. Table 20 describes line-powered and locally powered (remote) circuits on the maximum [...]

LTPH-UM-1031-03, Issue 3 Appendix A - Specifications H4TU-C-319 List 1 September 12, 2003 61 M AXIMUM C URRENT D RAIN The maximum current drain is the maximum current drawn fr om the shelf power supply when it is at its minimum voltage (-42.5 Vdc ). This determines the shelf fusing require ments. Use the -42.5 Vdc current data in Table 21 to determ[...]

Appendix A - Specificatio ns LTPH-UM-1031-03, Iss ue 3 62 September 12 , 2003 H4TU-C-319 List 1 H4TU-C-319 C ARD -E DGE C ONNECTOR Figure 32 shows the card-edg e connecto rs on the H4TU-C-319. Active pins are highli ghted in black. Figure 32. H4TU-C-319 Card-Edge Connector Network Management Control Bus The H4TU-C provides a Network Management Cont[...]

LTPH-UM-1031-03, Issue 3 Appendix A - Specifications H4TU-C-319 List 1 September 12, 2003 63 System Alarm Output Pin Pin H on the card-edge connector (see Figure 33 on page 63 ) is the H4TU-C-319 S ystem Alarm output p in. The following notes apply to Pi n H: • Pin H replaces the Local Loss of Signal (LLOS) on normal hi gh-density (3192) repeater[...]

Appendix B - Functional Operation LTPH-UM-1031-03, Issue 3 64 September 12 , 2003 H4TU-C-319 List 1 A PPENDIX B - F UNCTIONAL O PERATION HDSL4 technology provid es fu ll-duplex se rvices at standard T1 rates over tw o pairs of copper wire between an H4TU-C, H4Ds (if necessary), and an H4TU-R which comp rise one ADC sy stem. ADC systems use Overlapp[...]

LTPH-UM-1031-03, Issue 3 Appendix C - Compatibility H4TU-C-319 List 1 September 12, 2003 65 A PPENDIX C - C OMPATIBILITY The HDSL4 system uses HDSL4 tran smission tech nology as recommende d by ANSI committ ee in compliance with the August 1999 T1-E1.4/9 9-0 06R5 HDSL4 standards. The H4TU-C List 1 is designed to mount in the following shelves with [...]

Appendix D - Product Suppor t LTPH-UM-1031-03, Issue 3 66 September 12 , 2003 H4TU-C-319 List 1 A PPENDIX D - P RODUCT S UPPORT ADC Customer Service Group provides expert pre-sales and p ost-sales support and training for all its products. Technical support is available 24 hours a day, 7 days a week by contacting the ADC Technical Assistance Center[...]

LTPH-UM-1031-03, Issue 3 Appendix E - Abbreviations H4TU-C-319 List 1 September 12, 2003 67 A PPENDIX E - A BBREVIATIONS A ACO: Alarm Cutoff ADSL: Asymmetyric Digital Subscriber Line AIS: Alarm Indication Signal ALM: Alarm ALMP: Alarm Pattern AMI: Alternate Mark Invers ion AOR: Addressable Office Repe ater ARM: Armed ASCII: American Standard Code f[...]

Appendix E - Abbrevia tions LTPH-UM-1031-03, Iss ue 3 68 September 12 , 2003 H4TU-C-319 List 1 L LA: Loop Attenutation LAIS: Line Alarm Indication Signal LATT: Loop Attenuation LBPV: Local Bipolar Violation LBTO: Loopback Timeout LED: Light Emitting Diode LLOS: Line (Unit) Loss of Signal LOF: Loss of Frame LOSW: Loss of Sync Word LPDN: Loopdown LPF[...]

LTPH-UM-1031-03, Issue 3 Appendix E - Abbreviations H4TU-C-319 List 1 September 12, 2003 69[...]

C ERTIFICATION AND W ARRANTY FCC C LASS A C OMPLIANCE This equipment has been tested and found to comply with the limits for a Class A digita l device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interferenc e when the equipm ent is operated in a commercia l environment. This eq u[...]

World Headquarters ADC Telecommunications, Inc. PO Box 1101 Minneapolis, Minnes ota USA 55440-1101 For Technical Assistance Tel: 800.366.3891 DNV C ertific atio n, Inc. REGISTERED FIRM IS O 900 1/TL 9000 D OCUMENT : LTPH-UM-1031-03, I SSUE 3 ´,j6¶9@¨ 1274229[...]