363-206-295
DLP-
502
12
of
1
Page
1997
December
1,
Issue
Packs
Circuit
TGS/TG3
Install
1.
!
CAUTION:
is
node
a
before
checked
be
should
nodes
all
of
mode
timing
The
to
system
the
cause
may
modes
timing
Improper
service.
in
placed
all
if
example,
(for
interruption
service
a
cause
or
unpredictably
act
mode).
timed
line
to
set
are
nodes
1:
NOTE
External,
DS1
Running,
Free
as
provisioned
be
may
mode
timing
The
the
mode,
free-running
In
Timed.
Line
or
TGS/TG3
from
timing
gets
the
on
oscillator
an
TGS/TG3
the
mode,
timing
external
DS1
In
.
TGS/TG3
line-
In
input.
reference
DS1
external
an
from
timing
gets
the
mode,
timed
TGS/TG3
clock
reference
a
from
timing
gets
7
Release
TARP
In
signal.
rate
line
OC-12
received
a
from
recovered
the
from
timing
line
later,
or
B
MAIN
default.
factory
the
is
line
OC-12
2:
NOTE
the
as
options
same
the
to
addition
In
TGS
BBF2
,
TGS
BBF2B
and
,
TG3
BBF4
intershelf
for
output
DS1
a
provide
to
provisioned
be
may
(sync
distribution
timing
network
for
or
mode)
(mult
distribution
timing
in
When
mode).
out
sync
its
derives
signal
output
DS1
the
mode,
the
from
signal
line
OC-12
incoming
the
from
timing
OLIU
MAIN
s.
3:
NOTE
the
for
topologies
timing
possible
the
all
depict
B
and
A
Tables
BBF2
TGS,
TGS
BBF2B
and
,
TG3
BBF4
on
encountered
be
can
which
cautionary
or
comments
some
with
(NE)
elements
network
adjacent
timing
line
for
provisioned
is
NE
the
When
application.
their
on
notes
the
that
is
assumption
the
mode,
OUT
SYNC
in
output
DS1
the
with
or
the
between
shared
interface
optical
the
from
timing
its
deriving
is
NE
NE’s.
two