User Manual

AS4000 Operations and Maintenance
Appendix
605-0000-431
1
. Issue 1.6. Date3/2/99
Page 8 of 12 © Copyright Airspan Communications Corporation 1999
Modem Cards (Mod 1&2 to Mod 15&SP)
Red FRU fail Fault on modem card
Amber Power OK Indicates on-board PSU OK
Red Link fail Radio failure (modem 0) loss of frame alignment.
Red Link fail Radio failure (modem 1) loss of frame alignment
Amber Modem 0 in use Call in progress
Amber Modem 1 in use Call in progress
Note: all LEDs will be illuminated for 2 s during module boot-up
Table 4. LED Indications - Modem Card
TU Card
Red FRU Fail Fault on TU module
Amber Status
Red 2 Mbit/s input
fail
Unable to detect incoming 2 Mbit/s due to cable or signal fault
Amber Rx AIS AIS detected. Indicates fault in other interconnecting systems
Red Loss of Frame
alignment
Loss of frame alignment (from 2 Mbit/s stream)
Red Remote alarm Remote alarm detected from far end 2Mbit/s equipment
Red Multi frame
alarm
Unable to detect incoming multi frame
Red Loss of signal No input to AS4000
Note: All LEDs will be illuminated for 2 s during module boot-up. After successful boot-up, the TU
Status LED will flash until the co-processor initialisation is complete.
Table 6. LED Indications - TU Card
SC Card
LED Indication Description
Red FRU fail Self-test fault, card failure or loss of comms
Amber Power OK Indicated on-board PSU is OK
Note: All LEDs will be illuminated for 2 s during module boot-up. After successful boot-up, the Fail
LED will flash until the co-processor initialisation is complete
Table 8. LED Indications - SC Card
LED/Alarm Panel
Red Fault Indicates fail indication somewhere on rack
Amber OK Indicates power OK
Green Receive attention Receiving attention (receive attention key operated)