Nortel Communication Server 100 Manual page 144

144 Carrier Remote IPE maintenance
Operation problems occur when components fail or equipment is
accidentally disconnected during normal system operation.
In either case, the problem identification should be approached
systematically. A problem may have more than one cause. To isolate the
cause, a knowledge of Carrier Remote IPE operation is required. This
information can be found in the
(page
replacing the defective card, connecting accidentally disconnected cables,
or correcting the software problem.
The system provides built-in self-diagnostic indicators and software and
hardware tools. These diagnostic facilities simplify system troubleshooting
and reduce Mean-Time-To-Repair (MTTR).
This document focuses on the maintenance of Carrier Remote IPE
equipment at the remote site and in the system. It requires that system
non-Carrier Remote IPE functions operate correctly before diagnosing
Carrier Remote IPE problems.
The system installation and maintenance guide, Communication Server
1000M and Meridian 1 Large System Maintenance (NN43021-700) (),
describes how to maintain the entire system. This chapter describes how
to maintain the Carrier Remote IPE equipment as an integral part of the
system.
Diagnostic tools
Diagnostic tools are used to troubleshoot problems in the system including
problems with the Carrier Remote IPE. When diagnosing Carrier Remote
IPE problems, it can be necessary to use more than one of these tools.
Hardware diagnostic tools
System hardware diagnostic tools consist of:
•
card self-tests
•
LED indicators
•
display codes
•
enable/disable switches
Self-test
A self-test is automatically performed by each Carrier Remote IPE card
when it is inserted into an operating system module, when it is enabled,
or when the system is powered up or reset. A a self-test can also be
performed on a card using software commands.
11). Once the cause is identified, the problem can be corrected by
Nortel Communication Server 1000
Carrier Remote IPE Fundamentals
NN43021-555 04.01 4 June 2010
Copyright © 2007-2010 Nortel Networks. All Rights Reserved.
"Carrier Remote IPE product description"