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363-206-204
Release 6 Installation Tests
Issue 9 October 1998 5-3
The following LEDs are located on the user panel:
The following LEDs are located on the circuit packs:
LED
Description
CR (Critical)
Potential loss of service to 96 or more DS0 cus-
tomers
MJ (Major)
Potential loss of service to fewer than 96 DS0 cus-
tomers
MN (Minor)
A non-service affecting failure
PMN (Power Minor)
A switch from AC power to battery backup
ACO (Alarm Cutoff)
Audible office alarms are silenced and parallel
telemetry indications are cut off
PWR ON (Power On)
The shelf is receiving a -48 V source
ABN (Abnormal)
An abnormal condition initiated through
craft interface terminal (CIT) command
(that is, loopback, forced manual switch)
NE ACTY (Near-End Activity)
One of the above conditions is present at this shelf
FE ACTY (Far-End Activity)
One of the above conditions is present at a far-end
shelf
LED
Description
FAULT(solid)
Circuit pack is failed
FAULT (flashing)
Circuit pack has lost its input signal*
ACTIVE
Pack is carrying service**
Содержание DDM-2000 OC-3
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