Maintenance
and
Operation
(TOP)
Overview
OC-12
DDM-2000
the
of
maintenance
and
operation
supports
section
This
tabs:
separate
five
following
the
includes
It
Multiplexer.
Acceptance
tab
Yellow
—
Order
Turnup/Circuit
System
tab
Orange
—
Operation
tab
Green
—
Clearing
Trouble
tab
Red
—
Procedures
Level
Detailed
tab.
Blue
—
Organization
Section
TOP
The Acceptance
the
after
system
or
shelf
the
check
to
procedures
covers
tab
established.
been
has
system
the
after
or
equipped
been
has
shelf
The
Order
Turnup/Circuit
System
following:
the
for
procedures
includes
tab
time.
first
the
for
condition
looped-back
a
in
shelf
a
up)
(turn
Equip
equipped.
been
have
ends
both
after
system
end-to-end
an
Establish
service.
STS-3c
or
EC-1,
DS3,
end-to-end
initial
Establish
an
to
service
STS-3c
or
EC-1,
DS3,
discontinue
or
convert,
Add,
system.
in-service
1997
December
1
Issue
1
