RTRV-SYNC
10
of
7
Page
RTRV-SYNC
AIS
that
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failure
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timing
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following
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with
from,
derived
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main-b-1
main-b-2
Information
Message
Sync
where
report
the
of
section
the
identifies
heading
This
timing
the
determine
to
used
messages
output
and
input
is
report
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of
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listed.
are
quality
source
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if
only
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only
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has
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the
of
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messaging
sync
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the
or
command)
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(when
the
(using
OLIUs).
24-type
has
Main
set-oc3/oc12
commands).
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OC-N
optical
of
addresses
the
identifies
parameter
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messages.
sync
carry
can
that
interfaces
Message
Input
disabled
applicable
not
is
field
the
that
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synchronization
if
example,
(for
disabled).
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messaging
?
not
is
message
the
that
Indicates
line
a
to
due
example,
(for
readable
failure).
the
identifies
column
This
Kbyte
message
input
have
may
and
line,
interface
optical
each
on
received
values:
following
the
of
one
Use
Don’t
for
suitable
not
is
interface
The
7).
Level
(Quality
timing
synchronization
11-208
1997
December
1
Issue
OC-12
DDM-2000