363-206-305 Trouble Clearing:
TAP-112
Issue 3, June 2000 Page 9 of 16
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
MINOR.
MN
LED lighted.
inc. VT LOP Unprotected failure of
DS1
,
DS1PM
, or
T1EXT
circuit pack at near end
or far end, unprotected
failure of
MXRVO
circuit
pack at far end,
unprotected failure of
OLIU
circuit pack at the
near end or far end, or
unprotected failure of
both
OLIU
circuit packs
at far end.
Replace circuit pack
associated with alarm.
inc. VT sig degrade
(BER)
An
OLIU
circuit pack
failure or a fiber failure
at some point on the
failed ring.
TAP-111
inc. VT unequipped An VT1.5 cross-connect
has been deleted in
upstream equipment
interfacing with the
DDM-2000 OC-1, OC-3,
or OC-12 ring.
Find the deleted
cross-connect in the
upstream equipment.
section DCC channel
failed
SYSCTL
circuit pack
failure, reset, or
initialization at far end.
SYSCTL
circuit pack
removed from a site.
Program installation in
progress or failed at far
end.
SYSCTL
or
OLIU
circuit pack failed or
removed at near end.
Fiber failure between
this node and node
connected to the source
address (no
communication with
other end).
Step 35
MINOR.
MN
LED lighted.
FAULT
LED
lighted on
affected circuit
pack.
SYSCTL standby boot
fail
SYSCTL
circuit pack
failed during local or
remote software
download.
Try software download
again; download a
compatible version of
software; or replace
SYSCTL
circuit pack.
Table A – Minor (MN) Alarm Conditions (Continued)
Alarm Level or
LED Inidication Trouble Description (Note) Likely Causes Step or Procedure
To Next Page
Loading...