User Manual

AS4000 Operations and Maintenance
Section
605-0000-431
4
. Issue 1.6. Date3/2/99
DLP-004
Page 7 of 44 © Copyright Airspan Communications Corporation 1999
SHELF CONTROLLER (SC) ALARMS
Alarm Indications
AS8100 (Sitespan) : ‘Shelf Controller:PSU Fail’
Rack: Major/Prompt
Modem Shelf Alarm Panel: Fault Alarm
Card Alarm: SC Fail
Probable Cause
Card Faults
a). PSU failure within SC card
b). Faulty SC Card
Link Faults
a). Loss of connection with Sitespan
Go to DLP-003
Consequences
a). If connection is lost between shelf controller and
management system then messages, controls and alarms will
not be exchanged but the AS4000 equipment will functions
as normal and service will not be interrupted.
The SC buffer may overfill and messages will be lost if buffer starts to wrap
around.
b). A PSU failure within the SC Card will not cause any interruptions to service
as the PSU within the AU card will enable the shelf to continue functioning.
Shelf
Controller
SC Fail
Power OK
Red
Amber