
54 Telephony metrics monitoring
Nortel Business Communications Manager 5.0
Fault and Performance Management
NN40170-701 01.01 Standard
August 2009
Copyright © 2009 Nortel Networks
Enabling the internal CSU
Enable the internal CSU to gather performance statistics for your T1 lines or
PRI with public interface.
Procedure steps
Step Action
1 Select Configuration > Resources > Telephony Resources.
2 Select the appropriate module.
3 Click the Trunk Module Parameters tab.
4 In the T1 Parameters section, select the Internal CSU check box to enable
the Internal CSU.
--End--
Checking the performance statistics
Check the performance statistics to determine if the system detects errors or
alarms within the selected period.
Procedure steps
Step Action
1 Select Administration > Telephony Metrics > Trunk Module Metrics.
2 Select the appropriate module.
3 Click the Performance tab.
The Current interval displays the duration of the current 15-minute interval
of the selected card, the number of errored seconds (ES), the number of
severely errored seconds (SES), and the number of unavailable time
seconds (UAS).
4 Click the 24-hour summary heading for an overall summary of the previous
24 hours.
The Number of intervals, Errored Seconds, Severely Errored Seconds,
Unavailable Seconds appear in the summary.
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