Troubleshooting And System Testing; System Loopbacks And Test Access - ADC Soneplex HMS-358 Installation And Verification Manual

Troubleshooting and System Testing

T
ROUBLESHOOTING AND
Figure 41 shows system loopbacks and test access points. You can do additional system tests through test cards
(see "Installing a Test Card (HTC) (Optional)" on page
access to any DS1 or E1 channel on the DS3 transport at an electrical DSX-1 or E1 cross-connect point using
cut-through Cards (see
Removal and replacement of line units should not be your first approach to troubleshooting.
You will lose important performance management information which may help you resolve a
line problem. Before making a call to Product Support, read the Performance Management
history and conduct voltmeter tests for leakage to determine if the source of trouble is a
marginal line or a facility problem.
74
"Managing Alarms" on page
Figure 41. System Loopbacks and Test Access
January 12, 2001
S
YSTEM
76). You can route multiplexer output to provide local
79).
LTPH-SM-1014-03, Issue 3
T
ESTING
HMS-358 List 1 and List 2