ZXMW NR8250 Alarm and Notification Handling Reference
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If no, go to step 4.
4.
On the LMT, check whether the Tunnel bandwidth reaches the maximum limit. If it
does, perform Tunnel capacity expansion or find out the source that illegally transmits
the large amount of data and solve the problem. If the alarm persists, contact the
network engineer.
2.2.44 134243776 EFM local link lost
Alarm Property
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Alarm Code: 134243776
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Alarm Information: The alarm is reported if heartbeat is lost at the local end and the
remote end of EFM.
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Alarm Level: Critical
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Alarm Type: Communications Alarm
Sub-code Description
None
Effect on the System
The link is disconnected.
Possible Causes
Heartbeat is lost at the local end and the remote end of EFM.
Handling Procedure
1.
On the LMT, check whether there are alarms related to the optical module or boards.
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If yes, remove the faults of the optical module and board.
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If no, go to step 2.
2.
On the LMT, check whether the optical fibers or cables are faulty.
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If yes, replace the faulty fiber or cable.
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If no, go to step 3.
3.
On the LMT, check the OAM parameter setting of NEs at the two ends to see whether
they are consistent.
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If yes, modify the OAM parameters at both ends to be consistent.
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If no, go to step 4.
4.
On the LMT, check whether the Tunnel bandwidth reaches the maximum limit. If it
does, perform Tunnel capacity expansion or find out the source that illegally transmits
the large amount of data and solve the problem. If the alarm persists, contact the
network engineer.
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SJ-20111008094748-008|2012–05–30 (R1.1)
ZTE Proprietary and Confidential