RTRV-STATE-EQPT
5
of
3
Page
RTRV-STATE-EQPT
may
OLIU
this
from
incoming
channels
ring
received
the
using
determined
be
can
This
active.
be
rtrv-
state-path
all
or
Some
system.
this
on
command
fiber
the
to
outgoing
channels
ring
transmitted
the
of
using
by
determined
be
can
This
active.
be
also
may
the
rtrv-state-path
on
command
all
remote
systems.
active-fn
the
that
means
this
applications,
ring
in
slot
TSI
a
For
done
being
currently
is
switching
protection
path
ring
active
each
choosing
is
pack
this
and
pack,
this
on
the
to
it
sending
and
ring
either
from
channel
ring
units.
function
being
is
signal
the
means
active
types,
pack
other
For
the
if
Even
pack.
this
from
received
and
transmitted
unless
active
remain
will
slot
the
removed,
is
pack
be
can
service
that
pack
circuit
protection
a
is
there
to.
switched
active-tx
being
signal
the
lines,
OC-3
unit’s
function
the
For
the
but
end,
far
the
by
selected
is
transmitted
end
near
the
by
selected
not
is
signal
received
switch.
protection
active-rx
being
signal
the
lines,
OC-3
unit’s
function
the
For
end
near
the
by
selected
is
line
this
on
received
is
transmitted
being
signal
the
but
switch,
protection
end.
far
the
by
selected
not
active-?
line
protection
the
lines,
OC-3
unit’s
function
the
For
the
of
state
The
direction.
receive
the
in
failed
is
unknown;
is
direction
transmit
the
in
line
protection
line
protection
the
on
transmitted
signal
the
might be
end.
far
the
by
selected
standby
active.
currently
not
is
line
optical
or
pack
circuit
The
equipped.
not
or
applicable
Not
—
the
connections,
pass-through
of
because
applications
ring
For
TSIs.
and
OLIUs
main-b
both
for
active
be
always
will
state
switch
path-protected
pass-through,
for
provisioned
units
function
For
state
switch
the
applications,
video
or
ring
0x1
or
drop,
local
hairpin
OLIUs.
both
for
active
be
always
will
Priority
Switch
Only
request.
switch
protection
active
currently
the
is
priority
Switch
protection
a
cause
can
request
switch
protection
priority
higher
a
this
in
priority
switch
the
applications,
ring
For
done.
be
to
switch
to
main
the
of
switching
equipment
the
to
only
applies
report
the
See
signals.
unit
function
rtrv-state-path
for
command
OC-12
DDM-2000
1997
December
1
Issue
11-185