IBM SAN04B-R User Guide - Page 22

safety, installation

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Rack safety Rack installation DANGER Observe the following precautions when working on or around your IT rack system: v Heavy equipment-personal injury or equipment damage might result if mishandled. v Always lower the leveling pads on the rack cabinet. v Always install stabilizer brackets on the rack cabinet. v To avoid hazardous conditions due to uneven mechanical loading, always install the heaviest devices in the bottom of the rack cabinet. Always install servers and optional devices starting from the bottom of the rack cabinet. v Rack-mounted devices are not to be used as shelves or work spaces. Do not place objects on top of rack-mounted devices. v Each rack cabinet might have more than one power cord. Be sure to disconnect all power cords in the rack cabinet when directed to disconnect power during servicing. v Connect all devices installed in a rack cabinet to power devices installed in the same rack cabinet. Do not plug a power cord from a device installed in one rack cabinet into a power device installed in a different rack cabinet. v An electrical outlet that is not correctly wired could place hazardous voltage on the metal parts of the system or the devices that attach to the system. It is the responsibility of the customer to ensure that the outlet is correctly wired and grounded to prevent an electrical shock. (R001 part 1 of 2) CAUTION: v Do not install a unit in a rack where the internal rack ambient temperatures will exceed the manufacturer's recommended ambient temperature for all your rack-mounted devices. v Do not install a unit in a rack where the air flow is compromised. Ensure that air flow is not blocked or reduced on any side, front, or back of a unit used for air flow through the unit. v Consideration should be given to the connection of the equipment to the supply circuit so that overloading of the circuits does not compromise the supply wiring or overcurrent protection. To provide the correct power connection to a rack, refer to the rating labels located on the equipment in the rack to determine the total power requirement of the supply circuit. v (For sliding drawers) Do not pull out or install any drawer or feature if the rack stabilizer brackets are not attached to the rack. Do not pull out more than one drawer at a time. The rack might become unstable if you pull out more than one drawer at a time. v (For fixed drawers) This drawer is a fixed drawer and must not be moved for servicing unless specified by the manufacturer. Attempting to move the drawer partially or completely out of the rack might cause the rack to become unstable or cause the drawer to fall out of the rack. (R001 part 2 of 2) xx SAN04B-R Installation, Service, and User's Guide

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Rack
safety
Rack
installation
DANGER
Observe
the
following
precautions
when
working
on
or
around
your
IT
rack
system:
v
Heavy
equipment—personal
injury
or
equipment
damage
might
result
if
mishandled.
v
Always
lower
the
leveling
pads
on
the
rack
cabinet.
v
Always
install
stabilizer
brackets
on
the
rack
cabinet.
v
To
avoid
hazardous
conditions
due
to
uneven
mechanical
loading,
always
install
the
heaviest
devices
in
the
bottom
of
the
rack
cabinet.
Always
install
servers
and
optional
devices
starting
from
the
bottom
of
the
rack
cabinet.
v
Rack-mounted
devices
are
not
to
be
used
as
shelves
or
work
spaces.
Do
not
place
objects
on
top
of
rack-mounted
devices.
v
Each
rack
cabinet
might
have
more
than
one
power
cord.
Be
sure
to
disconnect
all
power
cords
in
the
rack
cabinet
when
directed
to
disconnect
power
during
servicing.
v
Connect
all
devices
installed
in
a
rack
cabinet
to
power
devices
installed
in
the
same
rack
cabinet.
Do
not
plug
a
power
cord
from
a
device
installed
in
one
rack
cabinet
into
a
power
device
installed
in
a
different
rack
cabinet.
v
An
electrical
outlet
that
is
not
correctly
wired
could
place
hazardous
voltage
on
the
metal
parts
of
the
system
or
the
devices
that
attach
to
the
system.
It
is
the
responsibility
of
the
customer
to
ensure
that
the
outlet
is
correctly
wired
and
grounded
to
prevent
an
electrical
shock.
(R001
part
1
of
2)
CAUTION:
v
Do
not
install
a
unit
in
a
rack
where
the
internal
rack
ambient
temperatures
will
exceed
the
manufacturer’s
recommended
ambient
temperature
for
all
your
rack-mounted
devices.
v
Do
not
install
a
unit
in
a
rack
where
the
air
flow
is
compromised.
Ensure
that
air
flow
is
not
blocked
or
reduced
on
any
side,
front,
or
back
of
a
unit
used
for
air
flow
through
the
unit.
v
Consideration
should
be
given
to
the
connection
of
the
equipment
to
the
supply
circuit
so
that
overloading
of
the
circuits
does
not
compromise
the
supply
wiring
or
overcurrent
protection.
To
provide
the
correct
power
connection
to
a
rack,
refer
to
the
rating
labels
located
on
the
equipment
in
the
rack
to
determine
the
total
power
requirement
of
the
supply
circuit.
v
(For
sliding
drawers)
Do
not
pull
out
or
install
any
drawer
or
feature
if
the
rack
stabilizer
brackets
are
not
attached
to
the
rack.
Do
not
pull
out
more
than
one
drawer
at
a
time.
The
rack
might
become
unstable
if
you
pull
out
more
than
one
drawer
at
a
time.
v
(For
fixed
drawers)
This
drawer
is
a
fixed
drawer
and
must
not
be
moved
for
servicing
unless
specified
by
the
manufacturer.
Attempting
to
move
the
drawer
partially
or
completely
out
of
the
rack
might
cause
the
rack
to
become
unstable
or
cause
the
drawer
to
fall
out
of
the
rack.
(R001
part
2
of
2)
xx
SAN04B-R
Installation,
Service,
and
User’s
Guide