Nortel Communication Server 1000 Maintenance Manual page 127

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2.0 Mb DTI maintenance
Contents
This section contains information on the following topics:
"Overview" (page 127)
Procedure 17 "Replacing the NTAK10 2.0 Mb DTI circuit card" (page 127)
"Monitor system DTI operation" (page 129)
"System DTI maintenance tools" (page 135)
Overview
From a maintenance perspective, system Digital Trunk Interface (DTI)
operation consists of the following major aspects:
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System DTI operation is monitored and reported on through maintenance
messages, out-of-service alarms, and circuit card faceplate LEDs.
System maintenance provides several tools, either manual or automatic,
for maintaining effective DTI operation. These tools are service change
and maintenance commands that are accessible through the software
overlays and resident diagnostic routines.
Procedure 17
Replacing the NTAK10 2.0 Mb DTI circuit card
Step
To replace a DTI circuit pack, follow the procedure below:
Copyright © 2003-2009 Nortel Networks
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hardware and software states
near-end and far-end status
link and/or span integrity
clocking status
frame alignment
Action
Nortel Communication Server 1000
ISDN Primary Rate Interface Maintenance
NN43001-717 03.01
11 May 2009
127