Power, Supply, Controls – IBM Partner Pavilion DS4100 User Manual
Page 122
to
and
follow
the
procedure
described
there
before
replacing
the
power
supply
on
a
DS4100
single-controller
storage
server.
Each
power
supply
CRU
has
a
built-in
sensor
that
detects
the
following
conditions:
v
Over-voltage
v
Over-current
v
Overheated
power
supply
If
any
of
these
conditions
occurs,
one
or
both
power
supplies
will
shut
down.
All
power
remains
off
until
you
cycle
the
power
switches
(turn
the
power
switches
off,
wait
at
least
30
seconds,
then
turn
the
power
switches
on).
For
more
information,
see
and
The
power
supplies
are
customer
replaceable
units
(CRUs)
and
do
not
require
preventive
maintenance.
v
Always
keep
the
power
supplies
in
their
proper
places
to
maintain
proper
controller-unit
cooling.
v
Use
only
the
supported
power
supplies
for
your
specific
storage
server.
The
power-supply
controls
on
the
rear
of
the
storage
server
are
shown
in
Levers
Use
these
locking
handles
to
remove
or
install
a
power
supply.
Power
LED
These
green
LEDs
light
when
the
storage
server
is
turned
on
and
receiving
ac
power.
Fault
LEDs
These
amber
LEDs
light
if
a
power
supply
failure
occurs
or
if
the
power
supply
is
turned
off.
AC
power
switches
Use
these
switches
to
turn
the
power
supplies
on
and
off.
You
must
turn
on
both
switches
to
take
advantage
of
the
redundant
power
supplies.
AC power
switch
AC power
switch
Power LED
Power LED
Fault LED
Fault LED
Lever
Lever
AC power
connector
AC power
connector
Hot-swap power
supplies
Strain-
relief clamp
Strain-
relief clamp
f10ug023
Figure
66.
Power
supply
controls
90
IBM
TotalStorage
DS4100
Storage
Server:
Installation,
User’s,
and
Maintenance
Guide