Vol. VI-B-14 Alcatel-Lucent
NMS Over E1 Channel n Failure
No communication via the NMS over the E1 channel. This is a major alarm.
Probable Cause
Equipment malfunction.
Recommended Actions
Check the integrity of the connected equipment.
Check the setup and operation of the relevant DAC plug-in.
Source E1 Frame Sync Loss
No framing pattern in the source E1 signal. This is a major alarm.
Probable Cause
Equipment malfunction.
Recommended Actions
Check the integrity of the source signal / equipment.
NMS Extraction Failure
Unable to extract NMS from E1 signal. This is a major alarm.
Probable Cause
Equipment malfunction.
Recommended Actions
Check the integrity of the connected equipment.
Check the setup and operation of the relevant DAC plug-in.
RAC/Radio Alarms
Fuse Blown
RAC fuse supplying -48 Vdc to ODU has blown. This is a critical alarm.
Probable Cause
1. Short circuit on the ODU cable.
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