DLP-
508
363-206-295
1997
December
1,
Issue
8
of
4
Page
direction?
demux
or
mux
the
in
test
this
doing
you
Are
6.
If MUX
with
continue
then
direction,
7
Step .
If DEMUX
to
proceed
then
direction,
9
Step .
DS3
the
of
test
a
perform
to
command
following
the
use
end,
near
the
At
7.
direction:
fiber
the
in
loop
test-trmsn-t3:
address
);
:dirn=mux:dur=(
Where
address
signal.
DS3
the
of
identifier
address
=
If
test.
the
of
direction
=
dirn
dirn=mux
fiber.
toward
is
direction
,
1.
is
default
(1-120),
minutes
in
test
the
of
duration
=
dur
Internal
Test Signal
Demultiplexing Direction
Monitor
NEAR END
Multiplexing Direction
Internal Loopback
Demultiplexing Direction
Loopback can be
fiber loopback, internal loopback
or external loopback
FAR END
Multiplexing Direction
OLIU
STSX or DSX
OLIU
STSX or
DSX
External
Loopback
Fiber
Loopback
Direction
MUX
in
Signal
DS3
of
Test
Transmission
1.
Figure
free)?
(error
successful
test
the
Was
8.
If YES
to
proceed
then
,
12
Step
.
If NO
to
proceed
then
,
34
Step
.