Chapter 2 Alarm
2.2.45 134317734 ODU link broken
Alarm Property
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Alarm Code: 134317734
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Alarm Information: The alarm is reported if an ODU link fails to be set up or an ODU
link is broken.
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Alarm Level: Critical
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Alarm Type: Communications Alarm
Sub-code Description
None
Effect on the System
In the protection mode, if the active ODU link is broken, the system performs active/standby
link changeover. In the no-protection mode, if the active ODU link is broken, the service is
interrupted.
Possible Causes
1.
The ODU is not powered on.
2.
The RMU board of IDU is faulty.
3.
The ODU is faulty.
Handling Procedure
1.
Check whether the power supply to the ODU is normal (40 V ~ 60 V).
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If yes, go to step 2.
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If no, remove the fault.
2.
Check whether the IF cable is in good condition, and the IF cable connectors are made
properly.
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If yes, go to step 3.
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If no, remove the IF faults.
3.
Replace the RMU board. If the alarm persists, replace the ODU.
2.2.46 134317743 SNCP channel changeover Interruption
Alarm Property
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Alarm Code: 134317743
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Alarm Information: The alarm is reported if hardware interruption occurs due to
active/standby channel changeover.
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Alarm Type: Communications Alarm
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SJ-20111008094748-008|2012–05–30 (R1.1)
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