Issue 5 November 2000
363-206-208
Stand-Alone (Local) Installation Tests for the DDM-2000 OC-12 Multiplexer
Lucent Technologies - Proprietary
See Notice on first page
The following LEDs are located on the user panel:
† Parallel telemetry is not available in OC-12, Release 7.
The following push-buttons and display are located on the SYSCTL:
† Parallel telemetry is not supported in OC-12, Release 7.
LED
Description
CR (Critical)
Potential loss of service to greater than 96 DS0
customers
MJ (Major)
Potential loss of service to fewer than 96 DS0
customers
MN (Minor)
A non-service-affecting (nsa) 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 inter-
face 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
ACO (Alarm Cutoff)
Silences existing audible office alarms and parallel
telemetry† indications
UPD/INIT (Update/Initialize)
Used to initialize SYSCTL upon replacement or
update of shelf equipment list after circuit pack
removal or signal removal
FE SEL (Far-End Select)
Used to display the LEDs activated at a site in the
network
7-Segment Display
Identifies the site address of the system status pres-
ently being displayed on the local user panel LEDs.
Also may display the software version number cur-
rently running in the SYSCTL
Содержание DDM-2000 OC-12
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