TAP-
101
363-206-295
Clearing
Trouble
:
1997
December
1,
Issue
9
of
4
Page
(Continued)
Conditions
Alarm
(CR)
Critical
A.
Table
or
Step
or
Level
Alarm
Procedure
causes
Likely
(Note)
Description
Trouble
Indication
LED
CRITICAL
. CR
lighted.
LED
FAULT LED
on
flashing
3STS1E.
LOS
EC1
inc.
*
LOF
EC1
inc.
*
(BER)
failed
sig
EC1
inc.
*
(BER)
degrade
sig
EC1
inc.
*
signal
EC-1
incoming
of
Failure
of
failure
STSX,
from
3STS1E at
incoming
of
failure
end,
near
the
EC-1
at
disconnect
cable
or
cable
shelf
or
point
cross-connect
STSX
office
in
talk
cross
connector,
wiring,
7
Step
the
of
Failure
3STS1E
pack
circuit
EC-1
of
end
other
at
equivalent
or
line.
AIS
Line
EC1
inc.
*
25
Step
far-end
or
near-end
the
of
Failure
3STS1E
pack.
circuit
EC1
LOP
STS1
inc.
*
25
Step
CRITICAL
. CR
lighted.
LED
cross-
incorrect
or
Incomplete
end-to-
an
in
provisioning
connect
removal
unprotected
network;
end
a
of
failure
obscure
or
3DS3,
3STS1E or
,
OLIU
end.
far
the
at
CP
AIS
STS1
inc.
*
TAP-119
(BER)
failed
sig
STS1
inc.
(BER)
degrade
sig
STS1
inc.
of
Failure
OLIU
far
or
end
near
at
fiber.
receive
of
failure
or
end
TAP-121
(linear,1+1)
or
TAP-120
(ring,0X1)
unequipped
STS1
inc.
have
cross-connects
STS-1/STS-3c
upstream
in
deleted
been
the
with
interfacing
equipment
ring.
OC-12
DDM-2000
deleted
the
Find
the
in
cross-connects
equipment.
upstream
CRITICAL
. CR
lighted.
LED
FAULT
may
LED
on
lighted
be
circuit
failed
packs.
Both
failed
CP
TGS
Both
failed
CP
TG3
Both
failed
CP
TSI
Both
failed
CP
OLIU
Both
failed
CP
3DS3
Both
failed
CP
3STS1E
failure.
pack
circuit
Internal
pack.
circuit
Replace
DLP-518
table.
of
end
at
notes/footnotes
See