Table of Contents
Testing _____________________________________________________________________________ 52
System Alarms................................................................................................................................. 52
Loopback Operation ........................................................................................................................ 55
Manual Loopback Session............................................................................................................... 57
in-band Loopback Sessions ............................................................................................................. 59
Power Consumption ........................................................................................................................ 66
Maximum Power Dissipation .......................................................................................................... 66
Maximum Current Drain ................................................................................................................. 66
Craft Port ......................................................................................................................................... 71
Timing ............................................................................................................................................. 73
Ground Fault Detect ........................................................................................................................ 73
Technical Support............................................................................................................................ 75
Returns............................................................................................................................................. 75
vi
Retiring System Alarms .................................................................................................... 53
GNLB Test Procedures ..................................................................................................... 59
A2LB Test Procedures ...................................................................................................... 61
SmartJack Test Procedure................................................................................................. 64
Fuse Alarm ........................................................................................................................ 69
System Alarm Output Pin ................................................................................................. 70
LTPH-UM-1049-02, Issue 2
H2TU-C-319 List 4E