Opac Critical - Nortel DMS-100 Series Maintenance Manual

Outside plant access cabinet (opac)

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Table of Contents

Alarm clearing procedures

Alarm display

Use this procedure to recover service in an OPAC when both units of the

line concentrating module (LCM) are out of service. This condition always

produces a central side busy (CBsy) alarm.

In the MAP display, the OPAC alarm appears under the PM header of the

alarm banner. The message indicates a critical alarm condition in the OPAC.

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

under the message indicates the alarm is critical.

This procedure contains a summary flowchart and a list of steps. Use the

flowchart to review the procedure. Follow the steps to perform the

Note: The numbers displayed in the flowchart do not match the step-action

numbers. The numbers indicate movement in the flowchart.

297-8211-550 Standard 05.01 August 1999

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