Carrier Access Access Navigator - Manual (Page 338)

14-18 August 2003 Access Navigator - Release 1.8
Alarm Clearing
Critical Alarm Status LEDs
Critical Alarm Status LEDs
A critical alarm means that a fault exists that affects more than 128 call lines. A critical alarm requires
an immediate maintenance response. No critical alarms are currently defined for the Access Navigator.
Major Alarm Status LEDs
A major alarm means that a fault exists that affects 24 or more call lines. A major alarm requires a
prompt maintenance response. Major faults include:
l DS1 loss of signal (LOS)
l DS1 loss of frame (LOF)
l DS1 interface receives alarm indication signal (AIS)
l DS1 interface receives remote alarm indication (RAI, yellow alarm)
l DS1 Quad Framer card failed or was removed
Table 14-11. Critical Alarm Status LEDs
LED State Description Troubleshooting
Off No critical alarms present. Alarms appear only on the active
Controller.
Red Critical alarm exists. Use the states of the Active/Standby
status LEDs and DS1 status LEDs to help
locate the source of the fault.
Table 14-12. Major Alarm Status LEDs
LED State Description Troubleshooting
Off No major alarms present Alarms appear only on the active
Controller.
Red Major alarm exists Use the state of the Power LEDs, Active/
Standby status LEDs, and DS1 status
LEDs to help locate the source of the
fault.