Chapter 13: 2.0 Mb DTI maintenance
Contents
This section contains information on the following topics:
Overview on page 129
Replacing the NTAK10 2.0 Mb DTI circuit card on page 129
Monitor system DTI operation on page 131
System DTI maintenance tools on page 136
Overview
From a maintenance perspective, system Digital
Trunk Interface (DTI) operation consists of
the following major aspects:
• hardware and software states
• near-end and far-end status
• link and/or span integrity
• clocking status
• frame alignment
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.
Replacing the NTAK10 2.0 Mb DTI circuit card
To replace a DTI circuit pack, follow the procedure below:
1. Enter the following command in LD 60 to software disable the NTAK10 2.0 Mb DTI
card(s):
DISL N
ISDN Primary Rate Interface Maintenance November 2011 129
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