RTRV-HSTY
8
of
5
Page
RTRV-HSTY
(Contd)
Descriptions
RTRV-HSTY
11-4.
Table
Meaning
Description
DEMUX
the
in
condition
(OOF)
out-of-frame
DS3
A
cleared.
is
fiber)
the
from
(coming
direction
clrd
OOF
DS3
fiber)
(from
inc.
end
far
EC-1
an
detecting
longer
no
is
system
The
signal.
(FERF)
failure
signal
receive
clrd
FERF
EC1
inc.
cleared.
been
has
signal
EC-1
the
of
failure
A
good
EC1
inc.
longer
no
is
(AIS)
signal
indication
alarm
EC-1
The
cleared.
has
failure
downstream
A
received.
being
clrd
AIS
line
EC1
inc.
cleared.
has
signal
EC-1
specified
the
of
failure
A
clrd
(BER)
degrade
sig.
EC1
inc.
end
far
OC-12
the
detecting
longer
no
is
system
The
signal.
(FERF)
failure
receive
clrd
FERF
OC12
inc.
been
has
DSX
the
from
signal
OC-12
the
of
failure
A
cleared.
good
OC12
inc.
loss-of-pointer
a
detecting
longer
no
is
system
The
signal.
STS-1
specified
the
on
condition
(LOP)
#
STS1
LOP
OC12
inc.
x clrd
cleared.
has
signal
OC-12
specified
the
of
failure
A
may
conditions
FERF
line
OC-12
and/or
AIS
line
OC-12
OC-12
The
line.
OC-12
specified
the
on
present
be
still
the
of
more
or
one
for
present
be
still
may
condition
LOP
line.
OC-12
the
in
signals
STS-1
clrd
degrade
sig.
OC12
inc.
alarm
OC-12
the
detecting
longer
no
is
system
The
line.
OC-12
specified
the
on
(AIS)
signal
indication
clrd
AIS
line
OC12
inc.
end
far
OC-3
the
detecting
longer
no
is
system
The
signal.
(FERF)
failure
receive
clrd
FERF
OC3
inc.
cleared.
been
has
line
OC-3
the
of
failure
A
good
OC3
inc.
loss-of-pointer
a
detecting
longer
no
is
system
The
signal.
STS-1
specified
the
on
condition
(LOP)
#
STS1
LOP
OC3
inc.
x clrd
OC-12
DDM-2000
1997
December
1
Issue
11-377