Lucent Technologies DDM-2000 OC-3, User & Service Manual

Page: 2002 / 2536

363-206-285 Trouble Clearing:
TAP-112
Issue 2, February 2000 Page 4 of 16
DDM-2000 OC-3 M
ULTIPLEXER
MN LED lighted.
FAULT LED
lighted on circuit
pack
DS1 CP failed
DS1PM CP fail
DS3 CP fail
STS1E_L CP fail
STS1E_H CP fail
TGS CP fail
TG3 CP fail
MXRVO CP fail
OLIU CP fail
TMUX CP fail
Internal failure of circuit pack with
lighted LED Step 7
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
Circuit packs removed without
doing
upd
command to remove
circuit packs from equipment list.
Step 19
environment
n
*
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.
Use
rtrv-attr-env:
command at RT to
determine trouble.
ExternalMinor
*
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.
Use
rtrv-attr-env:
command at RT to
determine trouble.
MN LED lighted.
FAULT LED
lighted on
SYSCTL CP
fan control relay failed
Telemetry output common is not
grounded. SYSCTL CP failed. Step 8
See notes/footnotes at the end of this table.
Table A – Minor Alarm Conditions (Continued)
Alarm Level or
LED Indication
Trouble Description (Note) Likely causes Step or Procedure