IBM 2027-R04, Installation And Service Manual

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xvii
DANGER
Rack-mounted devices are not to be used as a shelf or work space.
(L002)
DANGER
Multiple power cords
(L003)
To remove all power to the device, disconnect all power cords.
Caution notices
A caution notice calls attention to a situation that is potentially
hazardous to people because of some existing condition. A caution
notice can be accompanied by different symbols, as in the examples
below:
Read and comply with the following caution notices before installing
or servicing this device.
If the symbol is... It means....
A hazardous electrical condition with less severity than electrical
danger.
A generally hazardous condition not represented by other safety
symbols.
>18kg (39.7 lb)
A specification of product weight that requires safe lifting
practices. The weight range of the product is listed below the
graphic, and the wording of the caution varies, depending on the
weight of the device.
A hazardous condition due to the use of a laser in the product.
Laser symbols are always accompanied by the classification of
the laser as defined by the U. S. Department of Health and
Human Services (for example, Class I, Class II, and so forth).