IBM 8688 ユーザーズマニュアル
Removing
and
replacing
a
hot-swap
power
supply
Your
server
comes
with
two
hot-swap
power
supplies,
which
you
can
remove
and
replace
without
turning
off
the
server.
The
following
illustration
shows
the
locations
of
the
power
supplies
on
the
front
of
the
server.
Power button
Reset button
Power-on LED
Power-supply
latch
latch
Handle
Power LEDs
Power supply 1
Power supply 2
Before
you
remove
or
replace
a
power
supply,
review
the
following
information.
Notes:
1.
The
power
supplies
are
hot-swappable
and
redundant
only
at
200-240
V
ac.
2.
Both
power
supplies
must
be
connected
to
the
power
source
for
operation
at
100-127
V
ac.
3.
During
normal
operation,
both
power
supplies
must
be
installed
for
proper
operation
and
cooling.
If
you
install
or
remove
a
power
supply,
observe
the
following
precautions.
Statement
8:
CAUTION:
Never
remove
the
cover
on
a
power
supply
or
any
part
that
has
the
following
label
attached.
Hazardous
voltage,
current,
and
energy
levels
are
present
inside
any
component
that
has
this
label
attached.
There
are
no
serviceable
parts
inside
these
components.
If
you
suspect
a
problem
with
one
of
these
parts,
contact
a
service
technician.
Complete
the
following
steps
to
remove
and
replace
a
power
supply:
1.
Read
the
safety
information
beginning
on
page
and
2.
Remove
the
front
bezel
(see
for
instructions
about
removing
the
front
bezel).
90
IBM
xSeries
450
Type
8688:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide