ADC H4TU-C-231-L5A User Manual page 6

Table of Contents
Loopback Test Procedures .............................................................................................................. 44
Appendix A - Specifications ____________________________________________________________ 52
Power Consumption ........................................................................................................................ 53
Maximum Power Dissipation .......................................................................................................... 53
Maximum Current Drain ................................................................................................................. 54
Loop Attenuation, Insertion Loss, and Reach ................................................................................. 54
H4TU-C Card-Edge Connector....................................................................................................... 55
Craft Port ......................................................................................................................................... 56
Appendix B - Functional Operation _____________________________________________________ 57
Timing ............................................................................................................................................. 57
Ground Fault Detection ................................................................................................................... 57
Spectrum Issues ............................................................................................................................... 58
Compatibility................................................................................................................................... 58
Appendix C - Product Support _________________________________________________________ 59
Appendix D - Abbreviations ___________________________________________________________ 60
Certification and Warranty ______________________________________________ Inside Back Cover
vi
General Troubleshooting Tips .......................................................................................... 44
Setting the Loopback Time-Out Option............................................................................ 44
GNLB Test Procedures ..................................................................................................... 44
A3LB Test Procedures ...................................................................................................... 47
A5LB Test Procedures ...................................................................................................... 48
Loopback Testing Using a Maintenance Terminal ........................................................... 50
Loopback Testing Using Remote Unit Front-Panel Pushbuttons ..................................... 50
Programmable DSX-1 Test Jacks ..................................................................................... 50
Fuse Alarm ........................................................................................................................ 55
........................................................................................................................................... 55
October 15, 2003
LTPH-UM-1253-01
H4TU-C-231 List 5A