Chapter 2 Alarm
Effect on the System
If the remote link is faulty, the service at the port may be disconnected.
Possible Causes
The remote end detects link fault.
Handling Procedure
Check the LMT or panel status for the physical connections of the remote optical port.
Troubleshoot the ports.
2.2.43 134243771 EFM discovery process failure
Alarm Property
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Alarm Code: 134243771
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Alarm Information: The alarm is reported if the discovery process fails.
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Alarm Level: Critical
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Alarm Type: Communications Alarm
Sub-code Description
1.
Sub-code 1: Local connection failure;
2.
Sub-code 2: The local OAM does not receive the OAM packet within specified time;
3.
Sub-code 3: The remote OAM does not satisfy the requirement of the local OAM;
4.
Sub-code 4: The local OAM does not satisfy the requirement of the remote OAM.
Effect on the System
The service at the port may be disconnected.
Possible Causes
The discovery process fails.
Handling Procedure
1.
On the Local Maintenance Terminal (
), 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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SJ-20111008094748-008|2012–05–30 (R1.1)
ZTE Proprietary and Confidential
