Clearing:
Trouble
363-206-295
TAP-
117
4
of
3
Page
1997
December
1,
Issue
ACTY
NE
-
Status
and
Alarm
A.
Table
Meaning
Activity
mode.
synchronization
holdover
in
is
System
causes
Likely
holdover
to
switched
manually
was
System
:
(with
mode
switch–sync
been
not
has
switch
and
command)
mode
holdover
to
switched
automatically
system
the
or
reset;
either
and
references,
timing
of
failure
to
due
or
cleared,
not
have
failures
reference
the
(1)
synchronization
nonrevertive
for
provisioned
is
system
the
(2)
or
switching,
mode
for
provisioned
is
system
the
(3)
External
no
and
timing
or
available,
are
references
timing
external
the
and
operation
loop-timed
for
provisioned
is
system
the
(4)
message
a
or
failed,
has
pack
circuit
OLIU
or
line
optical
the
on
received
been
has
problem
clock
upstream
an
indicating
(
line
optical
the
of
bits
message
sync
rtrv-sync
or
command)
the
but
signaling,
message
sync
for
provisioned
is
system
the
(5)
been
not
has
loop-times
it
which
from
system
upstream
be
can
condition
The
signaling.
message
sync
for
provisioned
(
same
the
systems
both
provisioning
by
cleared
set-sync
and
rtrv-sync
commands).
timing
of
one
least
at
repairing
by
cleared
be
can
Condition
synchronization
resetting
and
failed)
are
both
(if
references
command
with
switch
protection
mode
switch–sync:s=mode,pri=reset
.
active
mode
holdover
AIS
DS3
DSX)
(from
inc.
in
(AIS)
signal
indication
alarm
DS3
detected
has
system
The
specified
the
for
fiber)
the
from
(coming
direction
DEMUX
the
signal.
DS3
causes:
Likely
failed,
is
end
far
the
at
signal
DS3
incoming
The
incomplete
end,
far
the
at
DSX-3
the
from
received
is
AIS
DS3
terminal.
end
far
a
at
connections
cross
(DS3)
STS1
missing
or
[TAP-119]
AIS
DS3
DSX)
(from
inc.
in
(AIS)
signal
indication
alarm
DS3
detected
has
system
The
the
for
fiber)
the
from
coming
is,
(that
direction
DEMUX
the
signal.
DS3
specified
causes:
Likely
failed,
is
end
far
the
at
signal
DS3
incoming
The
[TAP-119]
end.
far
the
at
DSX-3
the
from
received
is
AIS
DS3
or
OOF
DS3
DSX)
(from
inc.
in
condition
(OOF)
out-of-frame
DS3
a
detected
has
system
The
specified
the
for
fiber)
the
from
(coming
direction
DEMUX
the
signal.
DS3
causes:
Likely
the
to
incoming
signal
DS3
out-of-frame
An
the
of
failure
end;
far
the
at
DSX-3
DS3
or
end
far
the
at
CP
or
[DLP-518
ends.
both
at
looped
is
signal
DS3
the
end;
near
DLP-523]
363-206-285,