ZXMW NR8250 Alarm and Notification Handling Reference
Handling Procedure
1.
Check whether the optical fiber is in good condition, and the optical connector is clean
and connected properly.
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If yes, replace the optical fiber. Clean the optical connector and install it again.
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If no, replace the RTUB board.
2.
Ensure that the signal source of upstream equipment and the connected NR8250
equipment use the same clock source.
3.
Replace the optical module and ensure that the optical module type and rate are the
same as those configured in the LMT system.
2.2.8 134237736 RS-OOF
Alarm Property
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Alarm Code: 134237736
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Alarm Information: The alarm indicates that interruption occurs at the regenerator
section. The local end does not receive the signal from the remote end.
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Alarm Level: Critical
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Alarm Type: Communications Alarm
Sub-code Description
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Sub-code 1: Optical port 1 on the RTUB board;
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Sub-code 2: Optical port 2 on the RTUB board.
Effect on the System
The board cannot identify the data frame for the received SDH signal, and the service is
interrupted.
Possible Causes
1.
The clock configuration is different from that of the upstream device.
2.
Too many error codes are generated during the transmission.
3.
The RTU board that reports the alarm is faulty.
Handling Procedure
1.
Check whether the upstream device signal source uses the same clock source as the
connected NR8250 device.
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If yes, go to step 2.
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If no, modify the configuration to ensure that use the same clock source is used.
2.
Replace the RTUB board.
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SJ-20111008094748-008|2012–05–30 (R1.1)
ZTE Proprietary and Confidential