DLP-
502
363-206-295
1997
December
1,
Issue
12
of
4
Page
Topologies
Provisioning
Synchronization
TG3
TGS/BBF4
BBF2B
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
in
results
recommended,
not
although
topology,
This
operating
subnetwork
SONET
a
having
the
in
NE’s
other
to
respect
with
asynchronously
NE
the
off
timing
deriving
NE’s
The
network.
it
to
synchronized
be
will
Running
Free
for
provisioned
timing
DS1
The
network.
the
of
rest
the
to
not
but
a
to
NE’s
other
synchronize
to
used
normally
is
output
Running
Free
the
of
timing
the
topology
this
In
PRS.
output
DS1
the
of
use
the
by
distributed
being
is
NE
Synchronization
of
absence
the
in
reference
timing
Synchronization
of
presence
the
In
Messaging.
If
AIS.
DS1
carry
will
output
DS1
the
Messaging,
is
reconfiguration
synchronization
automatic
system
2
NE
the
system,
a
in
enabled
and
supported
timing
line
quality
better
a
to
switch
to
attempt
will
available.
if
source,
Out
Sync
-
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
