232 Chapter 9 Monitoring BCM50 Status and Metrics
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4The 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).
5Click 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.
6Click the Reset Statistics button to reset any new settings.
The system displays a message indicating that this will remove all of the statistics.
7Select OK to erase all the current statistics and begin collecting statistics again.

Checking trunk module alarms

To check the CSU alarms

1Choose Administration, Telephony Metrics, Trunk Module Metrics.
2Choose an expansion module.
3Click the CSU Alarms tab.
The display shows all the active alarms of the types LOS (loss of signal), OOF (out of Frame),
RAI (Remote alarm indicator) or AIS (Alarm indication signal). For more information on
these types of transmission defects, refer to “Statistics collected by the system” on page 230.

To check carrier failure alarms

1Choose Administration, Telephony Metrics, Trunk Module Metrics.
2Choose an expansion module.
3Click the CSU Alarm History tab.
The display shows LOS (loss of signal), OOF (out of Frame), AIS (Alarm indication signal),
and RAI (Remote alarm indicator). For more information on these types of transmission
defects, refer to “Statistics collected by the system” on page 230.
4Choose the type of alarm you wish to view. For example, LOS (Loss Of Signal).
5Click the drop-down menu to select a time period.
The display shows the Start time of the period.

To check bipolar violations

1Choose Administration, Telephony Metrics, Trunk Module Metrics.
2Choose an expansion module.
3Click the CSU Alarms tab.
The display shows the number of bipolar violations that occurred in the last minute.