ADC HiGain H2TU-C-388 User Manual page 6

Table of Contents
Testing _____________________________________________________________________________ 36
Front-Panel System Alarms............................................................................................................. 36
OCT55 Test Pattern with AMI Line Code ...................................................................................... 38
Loopback Operation ........................................................................................................................ 39
Loopback Test Procedures .............................................................................................................. 43
Appendix A - Specifications ____________________________________________________________ 48
Power Consumption ........................................................................................................................ 49
Maximum Power Dissipation .......................................................................................................... 49
Maximum Current Drain ................................................................................................................. 49
Loop Attenuation............................................................................................................................. 50
HiGain Line Unit Card-Edge Connector......................................................................................... 50
Craft Port ......................................................................................................................................... 51
Appendix B - Functional Operation _____________________________________________________ 52
Timing ............................................................................................................................................. 52
Ground Fault Detect ........................................................................................................................ 52
Appendix C - Compatibility____________________________________________________________ 53
Appendix D - Product Support _________________________________________________________ 54
Appendix E - Abbreviations____________________________________________________________ 55
Certification and Warranty _____________________________________________ Inside Back Cover
vi
Alarm Option for DLC Feed ............................................................................................. 37
Retiring System Alarms .................................................................................................... 37
Remote LOS and AIS Response ....................................................................................... 38
Generic Loopback Commands.......................................................................................... 39
Special Loopback Commands........................................................................................... 41
Manual Loopback Session ................................................................................................ 42
General Troubleshooting Tips .......................................................................................... 43
GNLB Test Procedures ..................................................................................................... 43
A1LB, A2LB, and A5LB Test Procedures ....................................................................... 45
A3LB and A4LB Test Procedures .................................................................................... 47
Network Management Control Bus .................................................................................. 50
Fuse Alarm ........................................................................................................................ 51
June 6, 2000
152-388-100-02, Issue 2
H2TU-C-388 List 1