ADC HiGain H2TU-C-319 List 4E - Manual (Page 6)

Table of Contents LTPH-UM-1049-02, Issue 2
vi January 9, 2002 H2TU-C-319 List 4E
Testing _____________________________________________________________________________ 52
System Alarms................................................................................................................................. 52
Alarm Option for the Digital Loop Carrier Feed .............................................................. 53
Retiring System Alarms .................................................................................................... 53
Remote LOS and AIS Response ....................................................................................... 54
OCT55 Test Pattern with AMI Line Code ...................................................................................... 54
Loopback Operation ........................................................................................................................ 55
Generic Loopback Commands.......................................................................................... 56
Special Loopback Commands........................................................................................... 56
SmartJack Loopback Commands...................................................................................... 57
Manual Loopback Session............................................................................................................... 57
Activating Manual Metallic Test Access ........................................................................................ 58
in-band Loopback Sessions ............................................................................................................. 59
General Troubleshooting Tips .......................................................................................... 59
GNLB Test Procedures ..................................................................................................... 59
A2LB Test Procedures ...................................................................................................... 61
A3LB and A4LB Test Procedures .................................................................................... 64
SmartJack Test Procedure ................................................................................................. 64
Appendix A - Specifications ____________________________________________________________ 65
Power Consumption ........................................................................................................................ 66
Maximum Power Dissipation .......................................................................................................... 66
Maximum Current Drain ................................................................................................................. 66
Loop Attenuation, Insertion Loss, and Reach ................................................................................. 67
H2TU-C-319 List 4E Card-Edge Connector................................................................................... 68
Network Management Control Bus .................................................................................. 69
Fuse Alarm ........................................................................................................................ 69
System Alarm Output Pin ................................................................................................. 70
Craft Port ......................................................................................................................................... 71
Appendix B - Functional Operation _____________________________________________________ 72
Timing ............................................................................................................................................. 73
Ground Fault Detect ........................................................................................................................ 73
Appendix C - Compatibility____________________________________________________________ 74
Appendix D - Product Support _________________________________________________________ 75
Technical Support............................................................................................................................ 75
Returns............................................................................................................................................. 75
Appendix E - Abbreviations____________________________________________________________ 76
Certification and Warranty _____________________________________________ Inside Back Cover