Attention:
In
the
United
States,
use
only
SFP
or
GBIC
optical
transceivers
that
comply
with
the
FDA
radiation
performance
standards,
21
CFR
Subchapter
J.
Internationally,
use
only
SFP
or
GBIC
optical
transceivers
that
comply
with
IEC
standard
60825.
Optical
products
that
do
not
comply
with
these
standards
may
produce
light
that
is
hazardous
to
the
eyes.
Rack
safety
DR550
Rack
installation
DANGER
v
Always
lower
the
leveling
pads
on
the
rack
cabinet.
v
Always
install
stabilizer
brackets
on
the
rack
cabinet.
v
Rack-mounted
devices
are
not
to
be
used
as
a
shelf
or
work
space.
Do
not
place
any
object
on
top
of
rack-mounted
devices.
v
Each
rack
cabinet
might
have
more
than
one
power
cord.
Be
sure
to
disconnect
all
power
cords
in
the
rack
cabinet
before
servicing
any
device
in
the
rack
cabinet.
v
Connect
all
devices
installed
in
a
rack
cabinet
to
power
devices
installed
in
the
same
rack
cabinet.
Do
not
plug
a
power
cord
from
a
device
installed
in
one
rack
cabinet
into
a
power
device
installed
in
a
different
rack
cabinet.
CAUTION:
v
Do
not
install
a
unit
in
a
rack
where
the
internal
rack
ambient
temperatures
will
exceed
the
manufacturer’s
recommended
ambient
temperature
for
all
rack-mounted
devices.
v
Do
not
install
a
unit
in
a
rack
where
the
air
flow
is
compromised.
Ensure
that
air
flow
is
not
blocked
or
reduced
on
any
side,
front,
or
back
of
a
unit
used
for
air
flow
through
the
unit.
v
Consideration
should
be
given
to
the
connection
of
the
equipment
to
the
supply
circuit
so
that
overloading
of
the
circuits
does
not
compromise
the
supply
wiring
or
overcurrent
protection.
v
To
provide
the
correct
power
connection
to
a
rack,
refer
to
the
rating
labels
located
on
the
equipment
in
the
rack
to
determine
the
total
power
requirement
of
the
supply
circuit.
v
(For
sliding
drawers.)
Do
not
pull
out
or
install
any
drawer
or
feature
if
the
rack
stabilizer
brackets
are
not
attached
to
the
rack.
Do
not
pull
out
more
than
one
drawer
at
a
time.
The
rack
may
become
unstable
if
more
than
one
drawer
at
a
time
is
pulled
out.
v
(For
fixed
drawers.)
This
drawer
is
a
fixed
drawer
and
should
not
be
moved
for
servicing
unless
specified
by
manufacturer.
Attempting
to
move
the
drawer
partially
or
completely
out
of
the
rack
may
cause
the
rack
to
become
unstable
or
cause
the
drawer
to
fall
out
of
the
rack.
(R001)
xii
DR550
Version
4.5
Problem
Determination
and
Service
Guide
Summary of Contents for DR550
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Page 185: ...DR1 power cabling Figure 88 DR1 Power Cabling Appendix A DR1 and DR2 cabling diagrams 157...
Page 186: ...Figure 89 DR1 Power Cabling 158 DR550 Version 4 5 Problem Determination and Service Guide...
Page 191: ...Figure 96 Expansion Drawer port identification Appendix A DR1 and DR2 cabling diagrams 163...
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Page 258: ...Printed in USA GA32 0576 00...
