Alcatel-Lucent 1643 AMS Operation Manual page 55

Alarm messages
2 Mbit/s Remote defect indicator
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Alarm identifier
Information
Alarm category
ASAP
Alarm severity
(default setting)
Reporting state
(default setting)
Local indications
Cause
Actions
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365-312-803R7.2
Issue 4, May 2007
P12ScRDI
A Remote Defect Indication (RDI) is being received.
The upstream equipment has detected a failure at its receive side, such as no
signal received or excessive error rate.
This is reported to the transmitting equipment via the "Remote Defect Indicator"
message. It is used to draw local attention to the remote failure.
Transmission
pdhPath
Information
Not Reported
–
Possible causes are:
•
The problem may be in the indicated tributary unit, failing to transmit data.
•
The cabling may be broken or disconnected.
•
The upstream equipment receive interface may be faulty.
Check upstream equipment (not part of the transmission system).
Check the tributary transmitter port of the indicated tributary unit by looping
the data at the DDF.
Check upstream cabling or upstream equipment interface.
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