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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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The RMFA is an alarm that the framing E1/T1 multiframe notification event occurs. If the framing E1/T1 signals occur in consecutive Z (Z is from two through five) CAS multiframe cycles, the RMFA alarm is reported when all the CAS multiframe mutual-notification bits of the input signals are set to 1.


Alarm Severity Alarm Type


Communication alarm



Impact on the System

When the RMFA alarm occurs, the services at the local station are not affected. This alarm just shows that the LMFA alarm occurs at the opposite station.

Possible Causes

The possible cause of the RMFA alarm is as follows:

The LMFA alarm occurs at the remote end.


  1. Check whether the LMFA alarm occurs at the opposite end of the path corresponding to the board that reports the alarm. If yes, clear the LMFA alarm at the opposite end. Then the RMFA alarm at the local end is cleared accordingly.

Related Information


Updated: 2019-01-21

Document ID: EDOC1100020975

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