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ADC H2TU-C-231 User Manual

Page 6

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Table of Contents

LTPH-UM-1109-01, Issue 1

vi

January 9, 2002

H2TU-C-231 List 2

Testing _____________________________________________________________________________ 40

System Alarms................................................................................................................................. 40

Alarm Option for Digital Loop Carrier (DLC) Feed ........................................................ 41

Retiring System Alarms .................................................................................................... 41

Remote LOS and AIS Response ....................................................................................... 42

OCT55 Test Pattern with AMI Line Code ...................................................................................... 42

Loopback Operation ........................................................................................................................ 43

Generic Loopback Commands.......................................................................................... 43

Special Loopback Commands........................................................................................... 45

Manual Loopback Session ................................................................................................ 46

Loopback Test Procedures .............................................................................................................. 47

General Troubleshooting Tips .......................................................................................... 47

GNLB Test Procedures ..................................................................................................... 47

A1LB, A2LB, and A5LB Test Procedures ....................................................................... 49

A3LB and A4LB Test Procedures .................................................................................... 51

Testing with H2TU-C BERT Generator.......................................................................................... 52

Testing with H2TU-R BERT Generator.......................................................................................... 53

Appendix A - Specifications ____________________________________________________________ 54

Power Consumption ........................................................................................................................ 55

Maximum Power Dissipation .......................................................................................................... 55

Maximum Current Drain ................................................................................................................. 55

Loop Attenuation, Insertion Loss, and Reach ................................................................................. 56

H2TU-C-231 List 2 Card-Edge Connector ..................................................................................... 57

Network Management Control Bus .................................................................................. 57

Fuse Alarm ........................................................................................................................ 58

System Alarm Output Pins................................................................................................ 58

Craft Port ......................................................................................................................................... 58

Appendix B - Functional Operation _____________________________________________________ 59

Timing ............................................................................................................................................. 59

Ground Fault Detect ........................................................................................................................ 59

Appendix C - Compatibility____________________________________________________________ 60

Appendix D - Product Support _________________________________________________________ 61

Appendix E - Abbreviations____________________________________________________________ 62

Certification and Warranty ______________________________________________ Inside Back Cover