IBM 3454-A3C Customer Install Manual page 9

(R001 part 1)
DANGER: Observe the following precautions when working on or around your IT rack system:
Heavy equipment–personal injury or equipment damage might result if mishandled.

 Always lower the leveling pads on the rack cabinet.
Always install stabilizer brackets on the rack cabinet unless the earthquake option is to be

installed.
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.
Rack-mounted devices are not to be used as shelves or work spaces. Do not place objects on top

of rack-mounted devices. In addition, do not lean on rack mounted devices and do not use them
to stabilize your body position (for example, when working from a ladder).
Each rack cabinet might have more than one power cord.

For AC powered racks, be sure to disconnect all power cords in the rack cabinet when
o
directed to disconnect power during servicing.
For racks with a DC power distribution panel (PDP), turn off the circuit breaker that
o
controls the power to the system unit(s), or disconnect the customer's DC power
source, when directed to disconnect power during servicing.
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.
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)
R007
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