ADC H4TU-C-231-L1 User Manual page 6

Table of Contents
OCT55 Test Pattern with AMI Line Code ...................................................................................... 46
Loopback Operation ........................................................................................................................ 47
Loopback Test Procedures .............................................................................................................. 50
Testing with H4TU-C BERT Generator.......................................................................................... 57
Testing with H4TU-R BERT Generator.......................................................................................... 58
Appendix A - Specifications ____________________________________________________________ 59
Power Consumption ........................................................................................................................ 60
Maximum Power Dissipation .......................................................................................................... 60
Maximum Current Drain ................................................................................................................. 61
Loop Attenuation, Insertion Loss, and Reach ................................................................................. 61
H4TU-C-231 List 1 Card-Edge Connector ..................................................................................... 62
Craft Port ......................................................................................................................................... 63
Appendix B - Functional Operation _____________________________________________________ 64
Timing ............................................................................................................................................. 64
Ground Fault Detect ........................................................................................................................ 64
Spectrum Issues ............................................................................................................................... 65
Appendix C - Compatibility____________________________________________________________ 66
Appendix D - Product Support _________________________________________________________ 67
Appendix E - Abbreviations____________________________________________________________ 69
Certification and Warranty ____________________________________________________________ 71
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Alarm Option for Digital Loop Carrier (DLC) Feed ........................................................ 45
Retiring System Alarms .................................................................................................... 45
Remote LOS and AIS Response ....................................................................................... 46
Generic Loopback Commands.......................................................................................... 48
Special Loopback Commands........................................................................................... 48
Manual Loopback Session ................................................................................................ 49
General Troubleshooting Tips .......................................................................................... 50
GNLB Test Procedures ..................................................................................................... 52
A3LB Test Procedure........................................................................................................ 53
A5LB Test Procedure........................................................................................................ 54
Network Management Control Bus .................................................................................. 62
Fuse Alarm ........................................................................................................................ 62
September 12, 2003
LTPH-UM-1138-02, Issue 2
H4TU-C-231 List 1