Lucent DDM-2000 OC-3 User And Service Manual page 611

TAP-101
: Trouble Clearing
Page 5 of 10
Table A – Critical (CR) Alarm Conditions (Continued)
Alarm Level or
LED Indication Trouble Description (Note)
CRITICAL. CR Both TGS CPs fail
LED lighted. Both TG3 CPs fail
FAULT LED Both MXRVO CPs fail
may be lighted Both OLIU CPs fail
on failed circuit Both DS3 CPs fail
packs. Both STS1E CPs fail
Both TMUX CPs fail
CRITICAL. CR Both TGS CPs removed
LED lighted. Both TG3 CPs removed
Both MXRVO CPs removed
Both OLIU CPs removed
Both DS3 CPs removed
Both STS1E CPs removed
Both TMUX CPs removed
CP not allowed - (crs)
CP not allowed - (timing)
environmentn*
See notes/footnotes at end of table.
DDM-2000 OC-3 M
Issue 2, February 2000
Likely causes
Internal circuit pack failure.
Replace circuit pack.
Circuit packs removed without
doing upd command to remove
circuit packs from equipment list.
CP does not support the manual
cross-connection(s) currently
provisioned for this slot.
When associated with TIMING
slot, current CP switch settings
do not support the sync. timing
provisioned.
When associated with
FUNCTION UNITS slot C, CP
type does not support the current
provisioned sync. parameters.
(set-sync:).
Default message, can be
changed. An environmental
alarm point (miscellaneous
discrete input) is active.
ULTIPLEXER
363-206-285
Step or
Procedure
DLP-523
Step 18
Change CP or
change
cross-connect
ions.
Change
TGS/TG3
switches
[DLP-513] or
change sync.
parameters
(set-sync:).
Change CP
type or
change timing
options
Use
rtrv-attr-
env
command at
RT to
determine
cause.