IBM 4002-Y2A, Installation And User Manual

Page: 13 / 96

If the symbol
is...
It means....
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).
Read and comply with the following caution notices before installing or servicing
this device.
CAUTION:
Energy hazard present. Shorting may result in system outage and
possible physical injury. Remove all metallic jewelry before servicing.
(C001)
CAUTION:
This product is equipped with a 3-wire (two conductors and ground)
power cable and plug. Use this power cable with a properly grounded
electrical outlet to avoid electrical shock. (C018)
CAUTION:
Servicing of this product or unit is to be performed by trained service
personnel only. (C032)
Danger notices
A danger notice calls attention to a situation that is potentially lethal or extremely
hazardous to people. A lightning bolt symbol accompanies a danger notice to
represent a dangerous electrical condition. Read and comply with the following
danger notices before installing or servicing this device.
DANGER
To prevent a possible shock from touching two surfaces with
different protective ground (earth), use one hand, when possible, to
connect or disconnect signal cables. (D001)
DANGER
Overloading a branch circuit is potentially a fire hazard and a
shock hazard under certain conditions. To avoid these hazards,
ensure that your system electrical requirements do not exceed
branch circuit protection requirements. Refer to the information
that is provided with your device or the power rating label for
electrical specifications. (D002)
Preface
xi