RTRV-ALM
17
of
9
Page
RTRV-ALM
Description
Report
Description
Report
(Contd)
Descriptions
RTRV-ALM
11-3.
Table
Meaning
Description
is
signal
reference
synchronization
DS1
incoming
The
providing
clock
the
of
frequency
The
(OOL).
lock
of
out
specification.
of
out
is
signal
reference
DS1
the
that
supply
timing
office
the
of
Failure
causes:
Likely
reference.
timing
DS1
the
provides
OOL
ref.
sync.
DS1
inc.
signal
indication
alarm
DS3
detected
has
system
The
the
from
coming
is,
(that
direction
DEMUX
the
in
(AIS)
signal.
DS3
specified
the
for
fiber)
is
end
far
the
at
signal
DS3
incoming
The
causes:
Likely
far
the
at
DSX-3
the
from
received
is
AIS
DS3
or
failed,
end.
AIS
DS3
fiber)
(from
inc.
DS3
the
in
detected
were
zeros
consecutive
128
least
At
DSX-3.
the
from
received
signal
DSX-3;
at
removed
or
failed
Equipment
causes:
Likely
DDM-
the
at
or
DSX-3
the
at
disconnected
input
DS3
backplane.
2000
LOS
DS3
inc
(OOF)
out-of-frame
DS3
a
detected
has
system
The
from
coming
is,
(that
direction
DEMUX
the
in
condition
is
condition
This
signal.
DS3
specified
the
for
fiber)
the
or
VM
in
provisioned
is
interface
DS3
the
if
only
reported
the
See
mode.
VMR
set-t3
and
rtrv-t3
commands.
to
incoming
signal
DS3
out-of-frame
An
causes:
Likely
far
the
at
CP
DS3
the
of
failure
end;
far
the
at
DSX-3
the
ends.
both
at
looped
is
signal
DS3
the
end;
near
or
end
OOF
DS3
fiber)
(from
inc.
signal
DS3
incoming
the
in
(BER)
ratio
error
bit
The
10
threshold,
failure
provisioned
the
exceeds
−
3
10
or
−
6
.
or
equipment
upstream
the
of
Failure
causes:
Likely
wiring;
office
in
talk
cross
DSX-3);
the
(towards
facility
CP.
DS3
of
failure
unprotected
fail
sig.
DS3
DSX)
(from
inc.
receive
far-end
EC-1
the
detected
has
system
The
signal.
EC-1
incoming
the
in
signal
(FERF)
failure
incoming
an
detected
has
end
far
The
causes:
Likely
be
may
This
line.
EC-1
specified
the
on
failure
signal
the
at
CP
3STS1E
or
STS1E
the
of
failure
by
caused
or
end,
far
the
at
CP
3STS1E
or
STS1E
the
end,
near
line.
specified
the
on
cable
transmit
the
FERF
EC1
inc.
11-364
1997
December
1
Issue
OC-12
DDM-2000