User Manual

AS4000 Operations and Maintenance
Section
605-0000-431
4
. Issue 1.6. Date3/2/99
DLP-012
Page 41 of 44 © Copyright Airspan Communications Corporation 1999
Maintenance Clear Strategy
Yes
Change PSU
is
Alarm Clear
Check Voltage at
Backplane
Connector
No
Yes
Yes
Check DC at test
points
with DMM.
Block located
on combiner shelf
is
DCOutput
OK
No
Start
is
Alarm
on one PSU
only
No
Goto page 4 2
Yes
is
Alarm Clear
End
Yes
No
is
DCInput
OK
No
Change
Combiner Shelf
Yes