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12 Troubleshooting and Fault Clearing Procedures
450-1011-201. If a cabinet subassembly is faulty, remove it and install a
spare according to Part 4 of this document.
The Installation Guide for Cabinet Systems provides procedures for installing
the following equipment:
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Fault-Clearing Summary: Symptoms and Solutions
On notification of a fault in the system, you will want to gather as much
information as possible from the person reporting it. Ask the person reporting
the fault what the symptoms are, under what conditions the fault occurs,
whether it is intermittent or ongoing, whether it can be reproduced, and any
other relevant information there may be.
You will want to contact the system administrator for any additional
information, such as reports or log messages recorded by System
Administrative Services. With this information, you can then refer to the
following procedure and Table 3-A for a summary of symptoms and solutions
for potential system faults.
The following procedure is a summary for troubleshooting hardware and
software faults in the system.
(1)
Practice 450-1011-501
cabinets
cabinet doors
input, horizontal, and terminating jumper assemblies
shared resource units
LAN interface units
the office cross-connect panel
connections to peripheral equipment.
Note: The system log messages can be of use in determining the
cause of a system malfunction.
Access the Maintenance menu in SAS to determine the status of each
SRU, RRU and PRU.
Note: If you cannot access the system from the administrator's
terminal, proceed to Step 8 for instructions on how to clear a major
fault.
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