Caution Notices; Attention Notices - IBM N6270 Hardware And Service Manual

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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:

Attention notices

An attention notice indicates the possibility of damage to a program, device, or
system, or to data. An exclamation point symbol may accompany an attention
notice, but is not required. A sample attention notice follows:
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IBM System Storage: N6200 Series Hardware and Service Guide
DANGER
Hazardous voltage, current, or energy levels are present inside any
component that has this label attached. Do not open any cover or barrier
that contains this label.
DANGER
Multiple power cords. The product might be equipped with multiple
power cords. To remove all hazardous voltages, disconnect all power
cords.
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.
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).
Attention: Do not bend a fiber cable to a radius less than 5 cm (2 in.);
you can damage the cable. Tie wraps are not recommended for optical
cables because they can be easily overtightened, causing damage to the
cable.