Справочник Пользователя для IBM Type 7977
Installing
redundant
power
and
cooling
You
can
install
a
second
835-watt
hot-swap
power
supply.
This
upgrade
option
includes
a
hot-swap
power
supply,
two
hot-swap
fans,
a
fan
structure
with
an
air
duct
and
a
single
hot-swap
fan,
and
a
fan
power
cable.
You
must
also
purchase
a
second
power
cord
to
connect
the
power
supply
to
the
power
source.
To
install
the
redundant
power
and
cooling
option,
complete
the
following
steps:
1.
Read
the
safety
information
that
begins
on
page
vii
and
the
guidelines
in
Attention:
Static
electricity
that
is
released
to
internal
server
components
when
the
server
is
powered-on
might
cause
the
server
to
halt,
which
might
result
in
the
loss
of
data.
To
avoid
this
potential
problem,
always
use
an
electrostatic-discharge
wrist
strap
or
other
grounding
system
when
you
work
inside
the
server
with
the
power
on.
2.
Turn
off
the
server
and
peripheral
devices,
and
disconnect
the
power
cords
and
all
external
cables.
Remove
the
left-side
cover.
3.
Remove
all
adapters.
Hot-swap fan
Fan air baffle
4.
Remove
the
fan
air
baffle
from
the
fan
cage
assembly
by
pushing
in
on
the
tab
on
the
back
of
the
air
baffle;
then,
push
the
baffle
to
the
left
and
lift
it
out
of
the
fan
cage
assembly.
5.
Install
two
hot-swap
fans
in
the
empty
bays
of
the
fan
cage
assembly.
Chapter
2.
Installing
optional
devices
19