Lucent Technologies FiberReach DDM-2000 - Page 1447

363-206-305 Trouble Clearing:
TAP-112
Issue 3, June 2000 Page 7 of 16
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
MINOR.
MN
LED lighted.
FAULT
LED
flashing on
OLIU
.
inc. OC1 LOF
inc. OC1 LOS
inc. OC1 sig degrade
(BER)
inc. OC1 sig failed
(BER)
inc. OC3 LOF
inc. OC3 LOS
inc. OC3 sig degrade
(BER)
inc. OC3 sig failed
(BER)
inc. OC12 LOS
inc. OC12 LOF
inc. OC12 sig degrade
(BER)
inc. OC12 sig failed
(BER)
Failure of
OLIU
at near
end or far end, or failure
of receive fiber.
TAP-111
inc. STS1 LOP OC1
slotaid
inc. STS1 LOP OC3
slotaid
inc. STS1 LOP OC12
slotaid
If failure occurs on the
STS-1 both OC-1,
OC-3, or OC-12 lines;
the likely cause is an
unprotected failure of an
MXRVO
or an
OLIU
circuit pack at the far
end.
Step 31
If failure occurs on only
one OC-1, OC-3, or
OC-12 line; the likely
cause is failure of the
OLIU
circuit pack at the
near or far end.
TAP-111
MINOR.
MN
LED lighted.
inc. OC3 line AIS*
inc. OC12 line AIS*
Failure of
OLIU
circuit
pack at the far end,
Step 46
inc. STS1 AIS* Incomplete or incorrect
cross-connect
provisioning in an
end-to-end network;
unprotected removal or
failure of
OLIU
circuit
pack at far end; or
unprotected optical line
failure.
TAP-118
Table A – Minor (MN) Alarm Conditions (Continued)
Alarm Level or
LED Inidication Trouble Description (Note) Likely Causes Step or Procedure