v
To
ensure
rack
stability,
load
the
rack
starting
at
the
bottom.
v
If
you
install
multiple
components
in
the
rack,
do
not
overload
the
power
outlets.
v
Always
connect
the
storage
subsystem
to
a
properly
grounded
outlet.
v
Always
connect
the
IBM-certified
rack
power
distribution
units
(PDUs)
to
at
least
two
independent
power
circuits
or
sources.
Complete
the
following
steps
to
prepare
the
rack
cabinet
before
you
install
the
DS4200
Express:
1.
Move,
unpack,
and
level
the
rack
at
the
installation
site
(if
needed).
2.
Remove
the
external
rack
panels.
3.
If
necessary,
stop
all
I/O
activity
to
the
devices
in
the
rack.
4.
If
necessary,
turn
off
all
drive
enclosure
and
rack
power.
Disconnect
existing
power,
network,
and
other
external
cables.
5.
Install
any
additional
interface
cables
and
power
cables.
After
you
have
completed
these
steps,
continue
with
Installing
the
support
rails
Attention:
Duplicate
copies
of
the
rack
mounting
templates
are
provided
in
If
you
want
to
tear
out
the
templates
from
this
document
for
easier
use,
use
the
copies
in
rather
than
the
copies
provided
in
this
section.
Use
the
following
templates
and
to
identify
the
proper
locations
for
inserting
M5
screws
when
mounting
the
support
rails
and
DS4200
Express
Storage
Subsystem
to
a
rack
cabinet.
The
locations
for
the
M5
screws
are
highlighted
in
the
templates.
Hold
the
appropriate
template
up
to
each
side
of
the
rack
cabinet
at
the
3-U
section
where
you
will
install
theDS4200
Express.
U
boundaries
are
shown
as
horizontal
dashed
lines
in
the
rack
mounting
templates.
The
highlighted
squares
on
each
side
of
the
template
mark
the
positions
where
you
will
thread
the
M5
screws
that
secure
the
rails
and
the
DS4200
Express
to
the
front
and
rear
of
the
cabinet.
Note:
The
mounting
holes
that
are
shown
in
the
following
templates
are
square.
The
holes
in
your
rack
might
be
round,
square,
or
threaded.
28
IBM
System
Storage
DS4200
Express
Storage
Subsystem:
Installation,
User’s
and
Maintenance
Guide
Summary of Contents for TotalStorage DS4200
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