3.
Push
the
power-supply
handle
to
the
left
and
then
down
to
release
the
power
supply.
4.
Pull
the
power
supply
all
the
way
out
of
the
power-supply
bay.
5.
Install
a
new
power
supply
by
following
the
instructions
in
or
reinstall
the
blank
cover
to
keep
the
server
from
overheating.
Using
Y
power-cord
connectors
for
power
backup
When
you
have
multiple
servers
with
redundant
power
supplies,
use
Y
power-cords
to
provide
connection
to
the
backup
power-supply
(Back-UPS)
units.
The
Back-UPS
unit
provides
temporary
power
to
the
connected
devices
if
there
is
a
power
outage
in
the
network.
The
Back-UPS
unit
must
be
connected
correctly
to
ensure
optimum
power
backup
to
the
servers.
Connect
the
Y
power
cord
to
two
power
supplies,
in
two
different
servers,
then
connect
the
other
end
of
the
Y
power
cord
to
a
Back-UPS
unit.
The
following
illustration
shows
the
proper
connection
between
the
servers
with
the
Y
power-cord.
Power supply 1
Power supply 1
Power supply 2
Power supply 2
Server A
Server B
Y power cords
Backup
power supply
Backup
power supply
This
connection
method
provides
the
server
with
two
different
and
independent
backup
power
sources:
one
Back-UPS
unit
for
power
supply
1
on
both
servers
and
another
Back-UPS
unit
for
power
supply
2
(redundant
power
supply)
on
both
servers.
If
you
have
other
options
to
install
or
remove,
do
so
now.
Otherwise,
go
to
40
IBM
xSeries
336
Type
8837:
Option
Installation
Guide
Summary of Contents for E Server x336 Series
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