Carrier Access CMG Router - Manual (Page 275)

CMG Router - Release 2.7 C-9
Troubleshooting
Alarms
Alarms
Identify Alarm
Alarm indicators
Router LEDs - When an Alarm is triggered, the Router LED (labeled CRD)
will display a red indicator light, which will stay on until the Alarm is cleared
The following chart describes each LED, and it’s state, of the Router card.
LED State Description
CRD Off Loss of power
Green No current alarms
Red Alarm state active. See alarm log for cause
Red Flashing Self-test or Boot in-process
Yellow Flashing Card is saving data to flash RAM, do not power
down
VOIP
Off No active VoIP calls or if the MGCP protocol is
optioned down
Green Active VoIP calls
Red Call agent unreachable
Yellow Insufficient VoIP resources to complete call or
during initialization process
LNK Off No ethernet link
Green Good ethernet link
10/100 Off 10 Mb ethernet
Green 100 Mb ethernet
TX Off No ethernet transmit activity
Green Ethernet transmit activity
Yellow Current ethernet transmit collision
RX Off No current ethernet receive activity
Green Current ethernet receive activity