Specifications

2-10
Cisco IGX 8400 Series Provisioning Guide, Release 9.3.3 and Later Releases
OL-1166-04
Chapter 2 Cisco IGX 8400 Series Cards
Alarm Relay Module
Figure 2-4 ARM Front Card Faceplate
Table 2-6 ARM Front Card LEDs
Faceplate Item Meaning or Description
Minor LED (yellow) A failure in the local node that is not service-affecting but should be
investigated. It could indicate problems such as a loss of redundancy, a
low error rate on a digital trunk (frame bit errors or bipolar errors), or other
problems.
Major LED (red) A failure in the local node that is service-affecting and should immediately
be investigated.
ACO LED (white) A minor or major alarm is present, and the alarm cutoff (ACO) button was
pressed to silence an accompanying audible alarm. The ACO light turns
off when the alarm is cleared.
HISTory LED (green) An alarm on the node has occurred sometime in the past. The alarm might
be current or might have been cleared. By pressing the HIST CLR button,
you can turn off this light if there is no current alarm.
Fail LED (red) The card has failed self-test. Reset the card using the switch software
resetcd f command.
Active LED (green) The card is active, has been assigned through the switch software
addalmslot command, and is functioning normally.
MINOR
MAJOR
ACO
HST
ACO
HST CLR
FAIL
ACTIVE
ARM
Minor
ACO
HST CLR
Fail
Active
Major
ACO
HST
H8332