User Manual

AS4000 Operations and Maintenance
Section
605-0000-431
3
. Issue 1.6. Date3/2/99
Page 1 of 22 © Copyright Airspan Communications Corporation 1999
SECTION3: AS8100 (SITESPAN) ALARMS:
FAULT REFERENCE
2. Fault Reference Charts Sitespan Object List Indications
Alarm Object FRU
Type
Fault Type Problem
Type
Specific Problem Event Type /
Intermittency
Refer
(Type)Shelf(N):Tributary
Unit:System Clock Fail
TU TU Interface
Failure
Equipment
Malfunction
Input Transmission
System Clock Fail
Equipment Alarm
/ No
1.1.1
(Type)Shelf(N):Tributary
Unit:2MBS Lost
TU-0/L
(outlet)
TU Interface
Failure
Loss of
Signal
Loss of Signal Communications
Alarm / No
1.1.2
(Type)Shelf(N):Tributary Unit:
Frame Alignment Lost
TU-0/L
(outlet)
TU Interface
Failure
Loss of
Frame
Loss of Frame
Alignment
Communications
Alarm / Yes
1.1.3
(Type)Shelf(N):Tributary
Unit:AIS
TU-0/L
(outlet)
TU Interface
Failure
Loss of
Signal
Receipt of AIS at
TU
Communications
Alarm / No
1.1.4
Table2. Alarms generated by TU interface failure.