45 Mbit/s Loss of input signal
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Alarm identifier
E32cLOS
Information
There is no incoming signal on the 45-Mbit/s tributary port. This is detected by
the absence of transitions in the signal, that is, only zeros are received.
Alarm category
Transmission
ASAP
pdhPS
Alarm severity
(default setting)
Prompt
Reporting state
(default setting)
Reported
Local indications
The red fault LED on the unit is flashing.
Cause
Possible causes are:
•
Interconnecting cabling contacts have a problem.
•
Receiver fault in indicated unit.
•
Fault in the transmitting equipment (for example wrong configuration of the
output power level).
•
Discontinuity in the intermediate cabling.
•
Erroneous routing of intermediate cabling.
Actions
•
Check tributary connections between the indicated unit, the connecting
panel, and the DDF (Digital Distribution Frame).
•
Check the tributary receiver port of the indicated unit by looping the data at
the DDF.
•
Check the transmitting equipment, including the configuration of the output
power level.
•
Check intermediate cabling.
Alarm messages
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1-44
Alcatel-Lucent - Proprietary
See notice on first page
365-312-803R7.2
Issue 4, May 2007
Содержание 1643 AM
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