363-206-295
DLP-
518
27
of
13
Page
1997
December
1,
Issue
(Contd)
Topologies
Provisioning
Synchronization
TG3
TGS/BBF4
BBF2B
E.
Table
Comments
Application
2
NE
1
NE
timing
a
create
potentially
can
topology
This
Caution!
on
enabled
not
is
messaging
synchronization
if
loop
the
derive
will
NE’s
both
topology
this
In
NE’s.
both
a
creating
thus
other
each
from
reference
output
DS1
has
which
BITS,
a
to
access
with
NE
The
loop.
timing
sourced
is
and
PRS,
a
to
traceable
reference
input
an
be
should
NE,
this
than
other
element
an
from
timing
the
prevent
to
Mult
-
External
for
reprovisioned
both
on
enabled
is
Messaging
Synchronization
If
loop.
will
NE’s
the
of
one
in
reference
output
DS1
the
NE’s,
DS1
a
generate
will
NE
other
the
and
AIS
DS1
carry
signal.
ones
all
DS1
framed
a
carrying
output
Out
Sync
-
External
Out
Sync
-
External
is
it
and
loop
timing
a
creates
topology
This
Caution!
external
an
to
access
with
NE
The
supported.
not.
available,
if
PRS,
a
to
traceable
reference
timing
the
If
Mult.
-
External
for
provisioned
be
should
to
provision
reference
optical
an
is
available
reference
the
using
source
proper
the
with
Timing
Line
set-sync
synchronization
automatic
If
command.
system,
a
in
enabled
and
supported
is
reconfiguration
timing
line
another
to
switch
to
attempt
will
NEs
both
loop.
timing
a
prevent
to
available,
if
source,
Timing
Line
Timing
Line
