Bits Termination Panel Replacement - Nortel 7400 Hardware Installation
Multiservice switch
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Also See for 7400:
- Reference manual (252 pages) ,
- Terminology (152 pages) ,
- Hardware installation, maintenance, and troubleshooting (438 pages)
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Chapter 13
BITS termination panel replacement
Prerequisites to BITS termination panel replacement
BITS termination panel replacement task flow
Multiservice Switch 7400 Hardware Installation, Maintenance, and Upgrade 6.1S2
Replace a BITS termination panel if it fails to maintain external timing
capability.
•
"Prerequisites to BITS termination panel replacement" (page 101)
•
"BITS termination panel replacement task flow" (page 101)
•
Some of the procedures in this task are not located in this document.
Ensure that you have access to the required documents.
•
A BITS termination panel is not modeled as a component and cannot be
locked. To have minimal impact on the system, all external timing
components must be locked before removing the BITS termination
panel. This is the first procedure in the task flow.
•
If the primary and secondary source are provisioned with external timing
sources and the tertiary source is line-timed, the system will change to
the tertiary source after the BITS termination panel is removed. If there
is no tertiary source provisioned, the system will go into holdover.
•
Replacement of the BITS termination panel does not require a shelf reset.
Network synchronization will return to the BITS source automatically
provided it is provisioned as the reference source.
This task flow shows you the sequence of procedures you do to replace a
BITS termination panel. To link to any procedure, go to "Task flow
navigation" (page 102).
101
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