User Manual

AS4000 Operations and Maintenance
Section
605-0000-431
4
. Issue 1.6. Date3/2/99
DLP-012
Page 40 of 44 © Copyright Airspan Communications Corporation 1999
POWER SUPPLY UNIT (PSU) ALARMS
Alarm Indications
AS8100 (Sitespan) : ‘Combiner:PowerSupply(N):FRU Fail’
Rack: Major/Prompt
Modem Shelf Alarm Panel: Fault Alarm
Card Alarm: PSU Fail
Probable Cause
PSU failure.
Consequences:
None: Other PSUs will provide DC to rack.
Note. If the Sitespan reports ‘Combiner:PowerSupply(N):FRU
Fail’ on all installed PSUs then one of the DC inputs to the
rack has failed. Go to DC Input Alarms on page 42.
Power OK
Fail
Test