User Manual

AS4000 Operations and Maintenance

Section

605-0000-431

. Issue 1.6. Date3/2/99

DLP-006

Page 22 of 44 © Copyright Airspan Communications Corporation 1999

ALARM: RX LOSS OF FRAME ALIGNMENT

Alarm Indications

AS8100 (Sitespan) : ‘Tributary Unit: Frame Alignment Lost’

Rack: Major/Prompt

Modem Shelf Alarm Panel: Fault Alarm

Card Alarm: RX loss of Frame Alignment

Probable Cause

Unable to establish frame alignment due to problem in the exchange or backhaul.

Consequences

Failure of all subscribers on the modem shelf.

Maintenance Clear Strategy

STEP PROCEDURE

1. Report problem to exchange maintenance technician.

STOP. THIS PROCEDURE HAS BEEN COMPLETED.