ADC H2TU-C-202 User Manual page 6

Table of Contents
Testing _____________________________________________________________________________ 48
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
Appendix A - Specifications ____________________________________________________________ 61
Power Consumption ........................................................................................................................ 62
Maximum Power Dissipation .......................................................................................................... 62
Maximum Current Drain ................................................................................................................. 62
Loop Attenuation............................................................................................................................. 63
H2TU-C-202 List 3F Card-Edge Connector ................................................................................... 63
Craft Port ......................................................................................................................................... 65
Timing ............................................................................................................................................. 66
Ground Fault Detect ........................................................................................................................ 66
Appendix C - Compatibility____________________________________________________________ 67
Appendix D - Product Support _________________________________________________________ 68
Appendix E - Glossary ________________________________________________________________ 69
Certification and Warranty ______________________________________________ Inside Back Cover
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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
Testing with the H2TU-R Signal Generator ..................................................................... 60
Fuse Alarm ........................................................................................................................ 64
System Alarm Output Pin ................................................................................................. 64
June 28, 2002
LTPH-UM-1161-01
H2TU-C-202 List 3F