ADC HiGain H2TU-C-202 Manual page 6

Table of Contents
Loopback Operation ........................................................................................................................ 45
Manual Loopback Session............................................................................................................... 47
Loopback Test Procedures .............................................................................................................. 47
Appendix A - Specifications ____________________________________________________________ 53
Power Consumption ........................................................................................................................ 54
Maximum Power Dissipation .......................................................................................................... 54
Maximum Current Drain ................................................................................................................. 54
Loop Attenuation............................................................................................................................. 55
H2TU-C-202 Card-Edge Connector................................................................................................ 55
Craft Port ......................................................................................................................................... 56
Appendix B - Functional Operation _____________________________________________________ 57
Timing ............................................................................................................................................. 58
Ground Fault Detect ........................................................................................................................ 58
Appendix C - Compatibility____________________________________________________________ 59
Appendix D - Product Support _________________________________________________________ 60
Technical Support............................................................................................................................ 60
Returns............................................................................................................................................. 60
Appendix E - Abbreviations____________________________________________________________ 63
Certification and Warranty ______________________________________________ Inside Back Cover
vi
Generic Loopback Commands.......................................................................................... 46
Special Loopback Commands........................................................................................... 46
SmartJack Loopback Commands...................................................................................... 47
General Troubleshooting Tips .......................................................................................... 47
GNLB Test Procedures ..................................................................................................... 48
A2LB Test Procedures ...................................................................................................... 50
A3LB and A4LB Test Procedures .................................................................................... 52
SmartJack Test Procedure................................................................................................. 52
Network Management Control Bus .................................................................................. 56
Fuse Alarm ........................................................................................................................ 56
System Alarm Output Pins................................................................................................ 56
February 28, 2001
LTPH-TP-1005-02, Issue 2
H2TU-C-202 List 3E