Manuale d’uso / di manutenzione del prodotto H2TU-C-231 del fabbricante ADC
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HiGain HiGain U SER M ANUAL 2 H2TU-C-231 List 2 Line Unit Produc t Catalog : H2TU-C -231-L2 CLEI: VACJDLY E.
LTPH-UM-110 9-01, Issue 1 ii January 9 , 2002 H2TU-C-2 31 List 2 Revision History of This Pra ctice Copyright Janu ary 9, 200 2 © 2002 ADC DSL Systems, Inc. All rights reserved. Trademark I nformation ADC is a regi stered trademar k of ADC Telecommun ication s, Inc.
LTPH-UM-110 9-01, Issue 1 Using Th is Manual H2TU-C-231 List 2 January 9, 20 02 iii U SING T HIS M ANUAL The followin g conventions are used i n this manual: • Monospace type indicates screen text. • Keys you pres s are indicated by small ico ns such as or .
Inspecting Sh ipment LTPH-UM-110 9-01, Issue 1 iv January 9 , 2002 H2TU-C-2 31 List 2.
LTPH-UM-110 9-01, Issue 1 Tabl e of Con tent s H2TU-C-231 List 2 January 9 , 2002 v T ABLE OF C ONTENTS Overview _ _________ ________ ______ ________ _________ ________ ________ _________ ________ __ 1 Features ............. ................. ........
Table of Con tents LTPH-UM-110 9-01, Issue 1 vi Jan uary 9, 2002 H2TU -C-231 L ist 2 Test ing _______ _________ _____ _________ ________ _________ ________ _________ _____ ________ 4 0 System Alarms....................... ................. ...........
LTPH-UM-110 9-01, Issue 1 List of Fi gures H2TU-C-231 List 2 January 9 , 2002 vii L IST OF F IGURES 1. H2TU-C-231 List 2 Front Panel ............. ................. ................. ........... ................. ................. ........ ......... .
List of Tables LTPH-UM-110 9-01, Issue 1 viii January 9 , 2002 H2TU -C-231 Li st 2 L IST OF T ABLES 1. Front-Panel Description ................. ................. ................. ................. ........... ................. ....... .......... ...
LTPH-UM-110 9-01, Issue 1 Over view H2TU-C-231 List 2 January 9 , 2002 1 O VERVIEW The H2TU-C- 231 List 2 line un it is the Central Of fice (CO) s ide of a T1 transmissi on system . The HiG ain™ HDSL2 product fam ily is fully complian t with the HD SL2 standard ANSI T1.
Overvi ew LTPH-UM-110 9-01, Issue 1 2 Jan uary 9, 2002 H2TU -C-231 List 2 – Remo te provi sio ning – Selectable loopback activation codes • Addit ion al (Loo pbac k Timeo ut) LB TO setti ngs of .
LTPH-UM-110 9-01, Issue 1 Front Pa nel H2TU-C-231 List 2 January 9 , 2002 3 F RON T P ANEL Figur e 1 show s the H2 TU- C-231 L ist 2 fro nt pan el. Table 1 on page 4 describes the front-pan el components. For a list of f ront- panel di splay m essage s, refe r to “Front-Panel Display Messages” on page 5 .
Front P anel LTPH -UM-1109-01 , Issue 1 4 Jan uary 9, 2002 H2TU -C-231 List 2 Table 1. Front-Panel Descriptio n Front-Pa nel Featu re Functi on Front- panel di splay Displays f our-character st atus, provi sioning, and alarm system messages. Th e front-pane l display illuminates when power is in itially ap plied.
LTPH-UM-110 9-01, Issue 1 Front Pa nel H2TU-C-231 List 2 January 9 , 2002 5 Table 2 lists the front-panel display messages. The four-character display rep orts the code of a pertinent alarm, loopback,.
Front P anel LTPH -UM-1109-01 , Issue 1 6 Jan uary 9, 2002 H2TU -C-231 List 2 NREM Netwo rk Remote Loopba ck DSX-1 sign al is loop ed back to t he network at the H2TU-R. RULB Remo te Unit Lo opback Dual lo opback a t the H 2TU-R. SMJK Remote SmartJac k Loopback DSX-1 signal is looped ba ck to the net work at the H2TU-R SmartJack module.
LTPH-UM-110 9-01, Issue 1 Instal lation H2TU-C-231 List 2 January 9 , 2002 7 I NSTA LLA TION Figur e 2. I nstalling the H2TU-C-231 List 2 i nto a S helf 1 Align the H2TU-C wi th the enclosure s lot guides and slid e the unit in. Push the u nit back until it tou ches the backplane card-edge connector and the retaining latch on the front panel opens.
Installation LTPH -UM-1109-01 , Issue 1 8 Jan uary 9, 2002 H2TU -C-231 List 2 V ERIFICATION Once the H2TU-C-231 is installed, verify that it is o peratin g properly.
LTPH-UM-110 9-01, Issue 1 Prov isioni ng H2TU-C-231 List 2 January 9 , 2002 9 P ROVISIONING There are two methods for provisio ning: • Use the MODE and SEL p ushbuttons on the fr ont panel of the H2.
Prov isioni ng LTP H-UM-1109-01 , Issue 1 10 J anuary 9, 20 02 H2TU-C-231 List 2 Resetting to Factory Default Values A l l u s e ro p t i o n sf o rt h eH 2 T U - C - 2 3 1L i s t2( T able 6 on page 18 ) can be set to t he factory default values using the MODE and SE L pus hbut tons .
LTPH-UM-110 9-01, Issue 1 Prov isioni ng H2TU-C-231 List 2 January 9 , 2002 11 U SING A M AINTENANCE T ERMINAL Connecting to a Maintenance Ter minal The cr aft po rt on the f ront p anel al lows you to co nnect t he H 2TU-C- 231 to a ma inte nance t erm inal (AS CII terminal or PC running a termin al emulation program).
Prov isioni ng LTP H-UM-1109-01 , Issue 1 12 J anuary 9, 20 02 H2TU-C-231 List 2 Figur e 3. Logon Screen Most VT100 emu lation programs support a print screen option. For Wind ows-based prog rams, such as Procomm or HyperTe rminal, do the following: 1 Highligh t the screen that y ou wish to p rint.
LTPH-UM-110 9-01, Issue 1 Prov isioni ng H2TU-C-231 List 2 January 9 , 2002 13 P ROVISIONING T ASKS After H2TU-C-231 is successfully installed, perform t hese basic provisioning tasks.
Prov isioni ng LTP H-UM-1109-01 , Issue 1 14 J anuary 9, 20 02 H2TU-C-231 List 2 4 Type the time i n the format indicated (entering seconds is optional), then press . Setting C ircuit ID Numbers The Inventory screen provides product information on all units in the system and allows setting of the circuit and unit identificatio n numbers.
LTPH-UM-110 9-01, Issue 1 Prov isioni ng H2TU-C-231 List 2 January 9 , 2002 15 Configuring the System T h eC o n f i gm e n u( Figure 6 ) allows you to m ake the fol lowing types of system configurati.
Prov isioni ng LTP H-UM-1109-01 , Issue 1 16 J anuary 9, 20 02 H2TU-C-231 List 2 Figur e 7. Config Menu - Stan dard Options (d efaults shown ) Figur e 8.
LTPH-UM-110 9-01, Issue 1 Prov isioni ng H2TU-C-231 List 2 January 9 , 2002 17 Table 5 descri bes t he St andar d Con fig me nu opt ions a nd Table 6 on page 18 des crib es th e ADC Conf ig me nu options. Selections in bold type in dicate factory default settings.
Prov isioni ng LTP H-UM-1109-01 , Issue 1 18 J anuary 9, 20 02 H2TU-C-231 List 2 H2T U-R Line Buildo ut RLBO Sets the DS1 rec eive level output towa rd the Custome r Interface (C I). H2TU-R Line Bu ildout can only be set through th e maintenanc e screens.
LTPH-UM-110 9-01, Issue 1 Prov isioni ng H2TU-C-231 List 2 January 9 , 2002 19 DS1 Line Coding (DS1) Option. The DS1 line co de option should always be s et to conform to t he type of DS1 service (AMI or B8ZS) being provided by the HiGain HDSL2 system.
Prov isioni ng LTP H-UM-1109-01 , Issue 1 20 J anuary 9, 20 02 H2TU-C-231 List 2 H2TU-C Equalization (EQL) Opti on. The equalizer shapes the DS1 output signal of the H2TU-C to conform to a very specific pul se template when it arrives at the DSX-1 cross-connect point.
LTPH-UM-110 9-01, Issue 1 Prov isioni ng H2TU-C-231 List 2 January 9 , 2002 21 DS1 BER (DBER) Option. The DS1 BER alarm occurs when any of the DS1 or DSX-1 performance monitoring para meters listed i n Table 7 exceed the coun ts shown for the 24-hour period between 12:00:00 AM throug h 11:59:5 9 PM.
Prov isioni ng LTP H-UM-1109-01 , Issue 1 22 J anuary 9, 20 02 H2TU-C-231 List 2 Resetting to Fact ory Defaults To reset the H2 TU-C-231 List 2 to its original f actory defaults: 1 Press to select the Config menu. 2 Use the and arrow keys to select Set Factory Defaults ,t h e np r e s s .
LTPH-UM-110 9-01, Issue 1 Prov isioni ng H2TU-C-231 List 2 January 9 , 2002 23 Clearing the History, Alarm, an d Event Log Screens Select Master Clear to clear the History, Alarm, and Event Log screens after the system has been installed and is functioning p roperly.
Monitoring Sy stem Activity an d Performance LTPH-UM-110 9-01, Issue 1 24 J anuary 9, 20 02 H2TU-C-231 List 2 M ONIT ORING S YSTEM A C TIVITY AND P ERFORMAN CE The HDSL2 sys tem provides the following mainten ance screens for monito ring syst em activity and ass essing performance.
LTPH-UM -1109-01, Issue 1 Monitorin g System Acti vity and Performan ce H2TU-C-231 List 2 January 9 , 2002 25 3 To initiate a loopdown of all activ e loopbacks, press the to select LPDN , then pres s or . When prompted with the m essage: Are you sure (Y/N)? , p ress t o initiate the loopdown o r to cancel.
Monitoring Sy stem Activity an d Performance LTPH-UM-110 9-01, Issue 1 26 J anuary 9, 20 02 H2TU-C-231 List 2 U SING THE P ERFORMANCE S CREENS TO V IEW P ERFORMANCE D ATA The Performance screens display: • CRC statis tics for the HDSL2 or DS1 interface in 31-day, 48-ho ur, 25-hour, and cu rrent history r eports.
LTPH-UM -1109-01, Issue 1 Monitorin g System Acti vity and Performan ce H2TU-C-231 List 2 January 9 , 2002 27 Figur e 13. H2 TU-C DS1 48-Hour Performa nce History Figur e 14.
Monitoring Sy stem Activity an d Performance LTPH-UM-110 9-01, Issue 1 28 J anuary 9, 20 02 H2TU-C-231 List 2 Examples of current s tatistics screens are shown below. Figure 15 and Figu re 16 show s tatistics for th e DS1 interface at the remote unit an d line unit, respectively.
LTPH-UM -1109-01, Issue 1 Monitorin g System Acti vity and Performan ce H2TU-C-231 List 2 January 9 , 2002 29 Table 9. Acronyms Used on the DS1 Perform ance History Scr eens Error Acr onym Description E rror Acronym De scription CV-L Co de Vi olatio n - Line Total BP V count.
Monitoring Sy stem Activity an d Performance LTPH-UM-110 9-01, Issue 1 30 J anuary 9, 20 02 H2TU-C-231 List 2 Performance History at the HDSL2 Interface The H DSL2 in terfa ce has 31-d ay, 48 -hour , 25-h our, a nd cur rent statis tic sc reens for th e H2TU -C.
LTPH-UM -1109-01, Issue 1 Monitorin g System Acti vity and Performan ce H2TU-C-231 List 2 January 9 , 2002 31 Figure 1 9. H2TU-C HDS L2 25-Hour Performa nce History Figure 20.
Monitoring Sy stem Activity an d Performance LTPH-UM-110 9-01, Issue 1 32 J anuary 9, 20 02 H2TU-C-231 List 2 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.
LTPH-UM -1109-01, Issue 1 Monitorin g System Acti vity and Performan ce H2TU-C-231 List 2 January 9 , 2002 33 Alarm History at the DS1 Inte rface The Alarm History screen reports DS1 statistics for the H2TU-C ( F igure 21 ) and the H2TU- R ( Figur e 22 )o na continuo us basis.
Monitoring Sy stem Activity an d Performance LTPH-UM-110 9-01, Issue 1 34 J anuary 9, 20 02 H2TU-C-231 List 2 Table 11. DS1 Alarm Descr iptions Scr een Alar m Front -Pane l Alar m Descripti on H2TU-C DS1 AL ARMS (se e Figur e 21 o n page 33 ) LLOS (a) (a) Issues a minor alarm ( sent to the management unit or the backplane), if enabled.
LTPH-UM -1109-01, Issue 1 Monitorin g System Acti vity and Performan ce H2TU-C-231 List 2 January 9 , 2002 35 Alarm History a t the HDSL2 In terface The HDSL2 Alarm History screens report alarms at the H2TU-C and the H2TU-R.
Monitoring Sy stem Activity an d Performance LTPH-UM-110 9-01, Issue 1 36 J anuary 9, 20 02 H2TU-C-231 List 2 U SING THE S YSTEM E VENT L OG TO T RACK E VENTS To view a running lo g of system events, press to select the Event Log.
LTPH-UM -1109-01, Issue 1 Monitorin g System Acti vity and Performan ce H2TU-C-231 List 2 January 9 , 2002 37 U SING THE R EPORT M ENU The Report menu ( Figure 25 ) provides screens co ntaining status and p erformance monitor ing data for line and remote units which can be down loaded to a file for analysis or future r eference.
Monitoring Sy stem Activity an d Performance LTPH-UM-110 9-01, Issue 1 38 J anuary 9, 20 02 H2TU-C-231 List 2 Table 13. Report Types Type Con tains the following informatio n: Full Report • Circu it.
LTPH-UM -1109-01, Issue 1 Monitorin g System Acti vity and Performan ce H2TU-C-231 List 2 January 9 , 2002 39 Table 14. Event L og Entry Messages List Event Lo g Message s DS1 Alarm Hi story reset DS1.
Testing LTPH-UM-110 9-01, Issue 1 40 J anuary 9, 20 02 H2TU-C-231 List 2 T ESTING This section provides information abou t front-panel system alarms, LOS and AIS response, OCT55 test procedure, and loopback testing. S YSTEM A LARMS Table 15 summarizes all possible HDSL2 sy stem alarms in order of priority as t hey appear on the front panel.
LTPH-UM-110 9-01, Issue 1 Testing H2TU-C-231 List 2 January 9 , 2002 41 Alarm Option for Digital Loop Carrier (DLC) Feed To improve HiGain HDSL2 co mpatibility with the switch -to-protect features use.
Testing LTPH-UM-110 9-01, Issue 1 42 J anuary 9, 20 02 H2TU-C-231 List 2 Remote LOS and AIS Response Figur e 26 shows the d ifferent ways the H2TU-R can res pond to th e network, d epending o n the conf iguration o f the N LBP, TLOS, RDA, and ALMP configuration o ptions described in Tabl e 5 on page 17 and Table 6 on page 18 .
LTPH-UM-110 9-01, Issue 1 Testing H2TU-C-231 List 2 January 9 , 2002 43 L OOPBACK O PERATION HiGain HDSL2 has a family of loopback options for analyzing circuit functionality. The loopback signal is transmitted and returned to the send ing device for com parison.
Testing LTPH-UM-110 9-01, Issue 1 44 J anuary 9, 20 02 H2TU-C-231 List 2 Table 16. Summa ry of HiGain HDSL2 Loopback Codes and Activation Methods Metho d of Activation Loopba ck Co de Descripti o n Test Set Craft Port MODE/SEL NLOC 1111000 4-in-7 DSX-1 sign al is looped back to the ne twork at the H 2TU-C.
LTPH-UM-110 9-01, Issue 1 Testing H2TU-C-231 List 2 January 9 , 2002 45 Special Loopback Commands In addition to the GNLB loopback command mode, a HiGain HDSL2 system can be configured for one of fi ve special loopback command modes.
Testing LTPH-UM-110 9-01, Issue 1 46 J anuary 9, 20 02 H2TU-C-231 List 2 Manual Loopback Session A manual loopback session allows you to select any one of the HiGain HDSL2 loopbacks listed in Table 16 on page 44 with the exception of SmartJack loopbacks, which can only be issued by inband commands.
LTPH-UM-110 9-01, Issue 1 Testing H2TU-C-231 List 2 January 9 , 2002 47 • COL? = dual loop back at H2TU-C. • RUL? = dual loop back at H2TU-R. 4 Press SEL to activate the selected loopback.
Testing LTPH-UM-110 9-01, Issue 1 48 J anuary 9, 20 02 H2TU-C-231 List 2 4 Have the CO tester send the NLOC (4-in-7) inband loop up for 5 seconds. You should be able to observe the NLOC message on th e front-panel display. (The Status LED on the front panel should be yellow, and the loopback mode should also be identified on the Monitor screen.
LTPH-UM-110 9-01, Issue 1 Testing H2TU-C-231 List 2 January 9 , 2002 49 A1LB, A2LB, and A5LB Test Procedures Using the co des listed in Table 17 , a network tester can activate NLOC or NREM loop backs (or SMJK, if enabled). A tester at the customer premises can activate CLOC, CRG, or CREM loopbacks.
Testing LTPH-UM-110 9-01, Issue 1 50 J anuary 9, 20 02 H2TU-C-231 List 2 To perform the A1LB, A2LB, and the A5LB loopback test procedures : 1 Send the inband Arming and NI LPBK code 1100 0 to the H2TU-C-23 1 for at least 5 secon ds. 2 Monitor the output of the H2TU-C-231 for the return of the pattern.
LTPH-UM-110 9-01, Issue 1 Testing H2TU-C-231 List 2 January 9 , 2002 51 A3LB and A4LB T est Proce dures The H2TU-C-231 can be looped back by sending the Addressab le Office Repeater (AOR) LPBK activation code 1111-11 11-0001-1 110 (FF1E) for at least 5 seconds .
Testing LTPH-UM-110 9-01, Issue 1 52 J anuary 9, 20 02 H2TU-C-231 List 2 T ESTING WITH H2TU-C BERT G ENERATOR The H2TU-C BERT Generator screen allows transmission of a selected test signal from the H2TU-C towards either the network (NET) or customer (CPE).
LTPH-UM-110 9-01, Issue 1 Testing H2TU-C-231 List 2 January 9 , 2002 53 T ESTING WITH H2TU-R BERT G ENERATOR The H2TU-R BE RT Generator screen allows transmission of a test signal from the H2TU-R towards either the network (NET) or customer (CPE). Bit error rates are calculated and display on the Monitor screen.
Appendi x A - Spe cifica tions LTPH-UM-110 9-01, Issue 1 54 J anuary 9, 20 02 H2TU-C-231 List 2 A PPENDIX A-S PECIF ICATIO NS Power HDSL2 Spa n Voltage 0 or -180 Vdc ±5 Vdc CO Sup ply -48 Vd c nominal (-42.5 to -56.5 V dc) (See “ Power Co nsumpt ion ” , “ Maximum Power Dissip ation ” , and “ Maximum Cu rrent Drain ” on p age 5 5 .
LTPH-UM-110 9-01, Issue 1 Appen dix A - Sp ecificat ions H2TU-C-231 List 2 January 9 , 2002 55 P OWER C ONSUMPTION The three most important power parameters of an H2TU-C are its maximum power consumption, maximum power dissipation, and maximum current drain.
Appendi x A - Spe cifica tions LTPH-UM-110 9-01, Issue 1 56 J anuary 9, 20 02 H2TU-C-231 List 2 L OOP A TTENUATION ,I NSERTION L OSS , AND R EACH Each loop has n o more than 35 dB of los s at 196 kHz, w ith driving and ter minating impedances o f 135 Ω ,a ss h o w n in Table 21 b elow.
LTPH-UM-110 9-01, Issue 1 Appen dix A - Sp ecificat ions H2TU-C-231 List 2 January 9 , 2002 57 H2TU-C-231 L IST 2C ARD -E DGE C ONNECTOR Figur e 31 sho ws the c ard- edge co nnec tors on t he H2T U-C-2 31 List 2 . Activ e pins ar e high light ed in bla ck.
Appendi x A - Spe cifica tions LTPH-UM-110 9-01, Issue 1 58 J anuary 9, 20 02 H2TU-C-231 List 2 Fuse Alarm Pin 32 on the card- edge connector is a fuse al arm that is driven to -4 8 Vdc through a diode whenever the on board fuse opens.
LTPH-UM-110 9-01, Issue 1 Appen dix B - Func tional Oper ation H2TU-C-231 List 2 January 9 , 2002 59 A PPENDIX B-F UNCTIONA L O PERAT ION ADC HDSL2 technology provides full-dup lex services at standard DS1 rates over copper wires between an H2TU-C and an H2TU-R, which comprise one HiGain HDSL2 system.
Appendi x C - Compa tibility LTPH-UM-110 9-01, Issue 1 60 J anuary 9, 20 02 H2TU-C-231 List 2 A PPENDIX C-C OMPATIBILITY The HiGain system uses HDSL2 transmission technology as recommended by Bellcore TA-TSY-001210. HiGain HDSL2 complies with GR-63-C ORE, TR-TSY-000499, and GR-1 089-CORE.
LTPH-UM-110 9-01, Issue 1 Appendi x D - Produc t Support H2TU-C-231 List 2 January 9 , 2002 61 A PPENDIX D-P RODUC T S UPPORT ADC Customer Service Group provides expert pr e-sales and post-sales support and training for all its products.
Appendi x E - Abbrev iations LTPH-UM- 1109-01, Issue 1 62 J anuary 9, 20 02 H2TU-C-231 List 2 A PPENDIX E-A BBREVI ATIONS A ACO: Alar m C uto ff ADSL: Asymmet ric Digital S ubscriber Lin e AIS: Alarm .
LTPH-UM-110 9-01, Issue 1 Appe ndix E - Abbrevia tions H2TU-C-231 List 2 January 9 , 2002 63 LBPV: Lo cal Bipo lar Viol ation LBTO: Loopbac k Timeout LED: Ligh t E mitti ng Di ode LLOS : Line (Unit) L.
Appendi x E - Abbrev iations LTPH-UM- 1109-01, Issue 1 64 J anuary 9, 20 02 H2TU-C-231 List 2.
C ERTI FICA TION AN D W ARRANTY FCC C LASS AC OMPLIANC E This equi pment has be en tested and fou nd to compl y with the limits for a C lass A digital dev ice, pursuan t to Part 15 of the FCC Rul es.
ADC DSL Systems, Inc. 14402 F ranklin Aven ue Tustin, CA 9278 0-7013 Tel: 714.8 32.99 22 Fax: 714. 832. 9924 Technical Assistance Tel: 800.6 38.00 31 Tel: 714.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il ADC H2TU-C-231 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del ADC H2TU-C-231 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso ADC H2TU-C-231 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul ADC H2TU-C-231 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il ADC H2TU-C-231, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del ADC H2TU-C-231.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il ADC H2TU-C-231. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo ADC H2TU-C-231 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
