Lucent DDM-2000 OC-3 User And Service Manual page 690

363-206-285
Issue 2, February 2000
Table A – Minor Alarm Conditions (Continued)
Alarm Level or
LED Indication Trouble Description (Note)
MN LED lighted.
DS1 CP failed
FAULT LED
DS1PM CP fail
lighted on circuit
DS3 CP fail
pack
STS1E_L CP fail
STS1E_H CP fail
TGS CP fail
TG3 CP fail
MXRVO CP fail
OLIU CP fail
TMUX CP fail
MN LED lighted.
DS1 CP removed
DS1PM CP removed
DS3 CP removed
STS1E_L CP removed
STS1E_H CP removed
TGS CP removed
TG3 CP removed
MXRVO CP removed
OLIU CP removed
TMUX CP removed
environmentn
ExternalMinor
MN LED lighted.
fan control relay failed
FAULT LED
lighted on
SYSCTL CP
See notes/footnotes at the end of this table.
*
*
DDM-2000 OC-3 M
Trouble Clearing:
Likely causes
Internal failure of circuit pack with
lighted LED
Circuit packs removed without
doing upd command to remove
circuit packs from equipment list.
The specified environmental
alarm point (misc. discrete input)
is active at RT. Note: The actual
message that appears in the
alarm and status report for this
condition can be provisioned; this
is the default message. See the
rtrv-attr-env: and
set-attr-env: commands.
The external minor alarm input
(environmental alarm input 15) is
active. Typically, this input will be
connected to the power shelf, and
will indicate that the DC power or
the cooling fan in a remote
terminal cabinet has failed. Note:
The actual message that appears
in the alarm and status report for
this condition can be provisioned;
this is the default message. See
rtrv-attr-env: and
set-attr-env: commands.
Telemetry output common is not
grounded. SYSCTL CP failed.
ULTIPLEXER
TAP-112
Page 4 of 16
Step or Procedure
Step 7
Step 19
Use
rtrv-attr-env:
command at RT to
determine trouble.
Use
rtrv-attr-env:
command at RT to
determine trouble.
Step 8