363-206-295
DLP-
553
21
of
1
Page
1997
December
1,
Issue
Test
Transmission
DS3
Perform
Interconnection
Ring
Dual
to
circuits
out-of-service
more
or
one
on
performed
is
procedure
This
Overview:
to
network
ring
DDM-2000
a
from
(DRI)
interconnections
ring
dual
the
test
Numerous
network.
ring
FT-2000
an
to
or
network
ring
DDM-2000
another
networks.
DDM-2000
interconnecting
when
possible
are
configurations
of
explanations
and
examples
typical
with
you
provides
procedure
this
Therefore,
in
used
procedures
the
on
you
instructs
and
configurations
possible
the
of
some
configurations.
these
testing
1.
1:
NOTE
a
for
tests
transmission
DS3
perform
to
used
be
may
procedure
This
and
networks
DDM-2000
between
(DRI)
Interconnection
Ring
Dual
perform
to
used
being
is
procedure
this
When
networks.
ring
FT-2000
end-to-end
complete
the
that
assumed
is
it
tests,
DS3
end-to-end
DS3
particular
a
only
that
and
tested
been
already
have
systems
time.
this
at
tested
being
is
channel
2:
NOTE
cross-connections
manual
make/verify
to
test
this
for
required
is
CIT
A
test
transmission
The
tested.
being
DS3
the
of
paths
switch
to
and
command
test
automated
the
and
CIT
a
with
either
performed
be
can
test-trmsn-t3
set.
test
DS3
a
with
or
3:
NOTE
equipment
at
originate
to
assumed
is
tested
being
circuit
DS3
The
the
around
carried
is
and
node
source
DDM-2000
the
to
external
is
it
where
nodes
interconnection
ring
dual
the
to
ring
DDM-2000
the
to
or
nodes
DRI
DDM-2000
corresponding
the
to
connected
carried
then
is
DS3
The
nodes.
DRI
FT-2000
secondary
and
primary
is
it
where
node
destination
final
the
to
network
ring
next
the
around
are
rings
two
than
more
If
equipment.
external
on
terminated
of
set
another
through
passed
be
may
signal
DS3
the
interconnected,
nodes.
DRI