RTRV-SYNC
10
of
5
Page
RTRV-SYNC
is
mode
timing
active
the
When
Holdover
Active
,
provide
will
that
reference
timing
the
is
Reference/Line
mode.
holdover
of
out
switches
system
the
if
timing
is
Mode
Provisioned
the
When
FreeRunning
Active
,
reported.
not
are
Line
Active
and
Reference
Switching
Mode
for
switching
mode
the
whether
indicates
Switching
Mode
nonrevertive.
or
revertive
is
generator
timing
the
Revertive
the
If
switching.
mode
Revertive
revertive
for
provisioned
is
system
automatically
will
it
switching,
mode
the
to
mode
holdover
from
switch
(
mode
provisioned
LineTimed
or
External
good
a
when
timing)
available.
becomes
reference
Nonrevertive
the
If
switching.
mode
Nonrevertive
nonrevertive
for
provisioned
is
system
mode
holdover
to
switch
will
it
mode,
reference
timing
a
of
result
a
(as
it
until
mode
this
in
remain
and
failure)
the
to
back
switched
manually
is
the
by
mode
timing
provisioned
switch-sync
command.
is
mode
Provisioned
applicable.
Not
(dash)
—
FreeRunning
.
Switch
Reference
Last
the
of
time
and
date
the
is
Time
Switch
Reference
Last
the
of
switch
last
External
an
has
It
reference.
timing
a
until
retained
is
which
"NA"
of
value
power-up
initial
(the
Time
Switch
of
value
The
occurs.
switch
reference
system
the
from
obtained
is
occurs)
switch
a
instant
the
when
only
reported
is
parameter
This
clock.
is
Mode
Provisioned
External
.
Outputs
DS1
be
can
and
outputs
timing
DS1
the
is
Outputs
DS1
If
pack.
circuit
the
on
switches
hardware
by
provisioned
is
Mode
Provisioned
only
then
mult,
are
outputs
DS1
the
section.
this
for
reported
Mode
Provisioned
mult
the
In
External
the
mode,
timing
mult
used
is
other
to
reference
DS1
incoming
the
distribute
to
bay.
the
in
shelves
11-206
1997
December
1
Issue
OC-12
DDM-2000