ADC HiGain H2TU-C-388 List 7F Manual page 6

Table of Contents
System Alarms................................................................................................................................. 48
OCT55 Test Pattern with AMI Line Code ...................................................................................... 50
Loopback Operation ........................................................................................................................ 51
Generic Loopback Commands ........................................................................................................ 52
Special Loopback Commands ......................................................................................................... 53
Manual Loopback Session............................................................................................................... 54
Loopback Test Procedures .............................................................................................................. 55
Testing with H2TU-C BERT Generator.......................................................................................... 60
Testing with H2TU-R BERT Generator.......................................................................................... 61
Appendix A - Specifications ____________________________________________________________ 62
Power Consumption ........................................................................................................................ 63
Maximum Power Dissipation .......................................................................................................... 63
Maximum Current Drain ................................................................................................................. 63
Loop Attenuation............................................................................................................................. 64
H2TU-C Card-Edge Connector....................................................................................................... 64
Craft Port ......................................................................................................................................... 65
Appendix B - Functional Operation _____________________________________________________ 66
Timing ............................................................................................................................................. 66
Ground Fault Detection ................................................................................................................... 66
Appendix C - Compatibility____________________________________________________________ 67
Appendix D - Product Support _________________________________________________________ 68
Appendix E - Abbreviations____________________________________________________________ 69
Certification and Warranty ______________________________________________ Inside Back Cover
vi
Alarm Option for the Digital Loop Carrier Feed .............................................................. 49
Retiring System Alarms .................................................................................................... 49
Remote LOS and AIS Response ....................................................................................... 50
Setting the Loopback Time-Out Option............................................................................ 54
Activating Manual Loopback Mode ................................................................................. 54
General Troubleshooting Tips .......................................................................................... 55
GNLB Test Procedures ..................................................................................................... 55
A1LB, A2LB, and A5LB Test Procedures ....................................................................... 56
A3LB and A4LB Test Procedures .................................................................................... 59
Fuse Alarm ........................................................................................................................ 65
July 21, 2003
LTPH-UM-1214-02
H2TU-C-388 List 7F