IBM 8862 Hardware Maintenance Manual - Page 61

Installing, hot-swap, power, supply

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Installing a hot-swap power supply Note: Under some conditions, the two rear fans in front of the power supplies will be operating when the server is turned off and connected to ac power. This enables the power supplies to be cooled when they are generating power for standby functions. The following notes describe information that you must consider when installing a hot-swap power supply in the server: v The server comes with a minimum of one power supply and supports up to two power supplies. v The power supplies are numbered from left to right (1 to 2) as viewed from the rear of the server. Power supplies must be installed in the following sequence: power supply 1, then power supply 2. v 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. Chapter 4. Installing options 51

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Installing
a
hot-swap
power
supply
Note:
Under
some
conditions,
the
two
rear
fans
in
front
of
the
power
supplies
will
be
operating
when
the
server
is
turned
off
and
connected
to
ac
power.
This
enables
the
power
supplies
to
be
cooled
when
they
are
generating
power
for
standby
functions.
The
following
notes
describe
information
that
you
must
consider
when
installing
a
hot-swap
power
supply
in
the
server:
v
The
server
comes
with
a
minimum
of
one
power
supply
and
supports
up
to
two
power
supplies.
v
The
power
supplies
are
numbered
from
left
to
right
(1
to
2)
as
viewed
from
the
rear
of
the
server.
Power
supplies
must
be
installed
in
the
following
sequence:
power
supply
1,
then
power
supply
2.
v
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.
Chapter
4.
Installing
options
51