RTRV-SYNC
10
of
3
Page
RTRV-SYNC
to
provisioned
hardware
is
mode
Timing
(dash)
—
DS1
without
External
or
FreeRunning
be
(
outputs
sync
mult
).
by
followed
are
dash)
the
(except
Source
Sync
for
choices
The
messages:
these
of
one
only
Shelf
for
shelf.
LineTimed
for
set
is
Source
Sync
Outputs
DS1
and
Shelf
for
LineTimed
for
set
is
Source
Sync
Out.
shelf/Sync
only
Outputs
DS1
for
shelf
External
for
set
is
Source
Sync
Out.
timing/Sync
Code/Format
Line
DS1
DS1
the
of
coding
line
and
format
signal
the
to
refers
This
External
the
on
switches
option
with
set
(as
references
timing
are:
values
valid
The
pack).
circuit
TG3
or
TGS
Code
Line
DS1
ami
Inversion
Mark
Alternate
b8zs
Substitution
Zeros
8
with
Bipolar
Unequipped
(dash)
—
?
Unreadable
Format
Line
DS1
sf
(D4)
format
Frame
Super
esf
format
Frame
Super
Extended
Unequipped
(dash)
—
?
Unreadable
Mode
Provisioned
of
mode
synchronization
provisioned
the
is
Mode
Provisioned
switches
option
with
set
as
packs,
circuit
generator
timing
the
are:
values
valid
The
pack.
circuit
TG3
or
TGS
the
on
External
reference.
External
DS1
from
derived
Timing
FreeRunning
oscillator.
internal
from
derived
Timing
LineTimed
payload-
OC-12
the
from
derived
Timing
slots.
Main-b
the
in
signal
carrying
11-204
1997
December
1
Issue
OC-12
DDM-2000