2 Mbit/s Remote defect indicator
...................................................................................................................................................................................................................................
Alarm identifier
P12ScRDI
Information
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.
Alarm category
Transmission
ASAP
pdhPath
Alarm severity
(default setting)
Information
Reporting state
(default setting)
Not Reported
Local indications
–
Cause
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.
Actions
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.
Alarm messages
...................................................................................................................................................................................................................................
365-312-803R7.2
Issue 4, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
1-35
Summary of Contents for 1643 AM
Page 346: ......