Installing
a
2104
Model
DS4
The
installation
of
this
product
is
a
customer
responsibility.
Before
you
continue
with
any
of
the
actions
described
in
this
book,
see
the
Expandable
Storage
Plus
2104
Model
DS4
and
Model
TS4
Translated
Safety
Notices
.
This
section
describes
how
to
perform
the
following
actions:
v
Install
a
2104
Model
DS4
into
an
RS/6000
™
or
IBM
™
ERserver
pSeries
rack
(system
rack
or
expansion
rack)
v
Install
the
switch
cover
plate
v
Set
the
options
v
Connect
the
2104
Model
DS4
to
a
power
source
v
Connect
the
2104
Model
DS4
to
the
host
system
v
Switch
on
and
test
the
installation
The
instructions
assume
that
the
following
actions
are
complete:
v
The
rack
is
set
up.
v
A
stabilizer
is
correctly
attached
to
the
bottom
front
of
the
rack
to
prevent
the
rack
from
tipping
forward
while
the
2104
Model
DS4
is
being
installed
into
the
rack.
If
necessary,
see
the
installation
and
service
guide,
or
equivalent,
for
the
rack.
v
You
have
access
to:
–
Preinstallation
planning
information
for
the
system
–
2104
Model
DS4
configuration
information
If
the
2104
Model
DS4
is
installed
in
the
rack:
v
Go
to
“Connecting
the
2104
Model
DS4
to
the
power
source”
on
page
27
if
the
power
cables
for
the
2104
Model
DS4
are
not
connected.
v
Go
to
“Connecting
the
2104
Model
DS4
to
the
host
system”
on
page
29
if
the
power
cables
for
the
2104
Model
DS4
are
connected.
Notes:
1.
Each
rack-mounted
2104
Model
DS4
requires
an
airflow
of
1.1
m
³
per
minute
(40
ft
³
per
minute).
When
racks
containing
many
2104
Model
DS4s
are
to
be
installed
together,
the
following
requirements
must
be
met
to
ensure
that
the
2104
Model
DS4s
are
adequately
cooled:
v
The
airflow
enters
at
the
front
of
the
rack
and
leaves
at
the
back.
To
prevent
the
air
that
is
leaving
the
rack
from
entering
the
intake
of
another
piece
of
equipment,
racks
should
be
positioned
in
alternate
rows,
back-to-back
and
front-to-front.
v
The
front
of
the
racks
should
be
positioned
on
floor-tile
seams,
with
a
full
line
of
perforated
tiles
immediately
in
front
of
the
racks.
Each
perforated
tile
should
have
an
air
flow
of
at
least
11.34
m
³
per
minute
(400
ft
³
per
minute).
The
temperature
under
the
floor
must
not
exceed
15°C
(60°F).
v
Where
the
racks
are
in
rows
front-to-front
or
back-to-back,
there
should
be
a
gap
of
at
least
1220
mm
(48
in.)
separating
the
rows.
v
To
ensure
correct
air
flow
within
each
rack,
the
rack
filler
plates
must
be
installed
in
unused
positions.
Also,
all
the
gaps
in
the
front
of
the
racks
must
be
sealed,
including
the
gaps
between
the
2104
Model
DS4s.
2.
Maintain
the
operating
temperature
at
22°C
(72°F)
or
lower.
©
Copyright
IBM
Corp.
2003
1
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