Lcm Critical - Nortel DMS-100 Series Maintenance Manual

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7-2 OPM alarm clearing procedures

Alarm display

Use this procedure to restore service in an outside plant module (OPM) when

both units of the line concentrating module (LCM) are out of service (OOS).

This condition always produces a central-side busy (CBsy) alarm.

The LCM alarm appears under the peripheral module (PM) header in the MAP

subsystem display. This alarm indicates an alarm condition in the OPM. The

n indicates the number of LCMs with alarms. The *C* that appears under the

alarm indicates a critical alarm.

Both units of the LCM are CBsy.

Call processing ceases with critical alarm indication.

Common procedures

There are no common procedures.

The following ﬂowchart provides a summary of the procedure. Use the

ﬂowchart to review the step-action procedure. Follow the steps to perform the

Note: The numbers represented in the ﬂowchart do not coincide with the

step-action numbers. The numbers indicate movement within the ﬂowchart.

297-8361-550 Standard 04.01 September 2000

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