User Manual

AS4000 Operations and Maintenance

Section

605-0000-431

. Issue 1.6. Date3/2/99

DLP-007

Page 27 of 44 © Copyright Airspan Communications Corporation 1999

MODEM ALARMS

Alarm Indications

AS8100 (Sitespan) : ‘Modem Card: FRU Fail’

‘Modem Card:Lost Comms With ST’

Rack: Major/Prompt

Modem Shelf Alarm Panel: Fault Alarm

Card Alarm: Modem Fail

Link Fail

Probable Cause

a). Modem card failure

b). Failure of communication between ST and Modem

c). Failure of ST

Consequences

Loss of service to subscribers connected to the modem.

Modem Fail

Power OK

Link Fail Modem 0

Link Fail Modem 1

Modem 0 in Use

Modem 1 in Use

Red

Amber

Red

Amber