Rsc-M Trouble Isolation And Correction; Troubleshooting The Rsc-M; Trouble Condition Indicators - Nortel DMS 100 Series Maintenance Manual

8 RSC-M trouble isolation and
correction

Troubleshooting the RSC-M

This section includes descriptions of faults, test configurations, and test tools.
These descriptions are for Remote Switching Center Multi-access (RSC-M)
trouble isolation and correction. In this document MAP displays can indicate
an RSC-M is an RCO2. Software does not differentiate between the two types
of RCO2.

Trouble condition indicators

Many indications of trouble conditions can be present. These indications
include:
•
•
•
Operational measurements
Operational measurements (OM) are the best means to detect both accurate
and potential system troubles. These measurements monitor and count events
in the system. Use the OM thresholding feature to monitor and report key
RSC-M activity. These reports must be routine and constitute an additional
method of trouble detection. Log reports and alarms are the primary method
of trouble detection.
Log reports
Logs provide detailed information on call errors, diagnostic results, and
system status. Operating company personnel use logs for analysis. Logs are
good indicators of trouble conditions. Logs are good indicators of any of the
following conditions:
•
•
•
DMS-100 Family Remote Switching Center Multi-Access Maintenance Manual XPM11 and up
operational measurements
log reports
alarms
sudden increase in volume of logs
reports generated for messages not printed
large number of like logs
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