363-206-295
DLP-
518
27
of
5
Page
1997
December
1,
Issue
Topologies
Provisioning
Synchronization
TGS
BBF2
B.
Table
Comments
Application
2
NE
1
NE
are
systems
Both
supported.
not
is
topology
This
other.
each
from
asynchronously
operating
Running
Free
Running
Free
a
having
in
results
but
allowed
is
topology
This
with
asynchronously
operating
subnetwork
SONET
NE’s
The
network.
the
in
NE’s
other
to
respect
Free
for
provisioned
NE
the
off
timing
deriving
on
PRS
a
to
not
but
it
to
synchronized
be
will
Running
synchronization
automatic
If
network.
the
system,
a
in
enabled
and
supported
is
reconfiguration
another
to
switch
to
attempt
will
system
2
NE
the
available.
if
source,
timing
line
quality
better
Timing
Line
Running
Free
two
The
supported.
not
is
topology
timing
This
asynchronously
operating
be
will
elements
network
other.
each
from
Mult
-
External
Running
Free
not
does
NE’s
the
of
one
when
used
is
topology
This
reference
synchronous
external
an
to
access
have
timing
whose
NE
an
to
synchronized
be
to
needs
and
Line
for
provisioned
NE
The
PRS.
a
to
traceable
is
provisioned
NE
the
from
timing
its
derive
will
Timing
operating
thus
timing
Mult
-
External
for
NE
The
NE.
respective
that
with
synchronously
its
use
could
timing
Mult
-
External
for
provisioned
timing
DS1
incoming
its
distribute
to
output
DS1
conserve
to
bay
the
in
shelves
other
to
reference
BITS.
the
on
ports
Timing
Line
Mult
-
External
to
access
have
NE’s
both
when
used
is
topology
This
The
clocks.
BITS
from
timing
its
receiving
are
and
synchronized
BITS
these
have
to
is
recommendation
If
PRS.
same
the
to
traceable
are
which
references
to
created
subnetwork
the
followed
are
guidelines
these
synchronously.
operating
be
would
NE’s
two
these
by
in
operate
to
designed
are
systems
DDM-2000
Note:
output
DS1
The
topologies.
timing
pleisiochronous
input
the
from
regenerated
is
NE
each
by
generated
distribute
to
used
be
could
and
reference
timing
DS1
same
the
in
colocated
shelves
other
to
reference
this
BITS.
the
on
ports
conserve
to
bay
Mult
-
External
Mult
-
External
