IBM BladeCenter HT 8740, Руководство по диагностике и обслуживанию

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Statement 21:
CAUTION:
Hazardous energy is present when the blade is connected to the power
source. Always replace the blade cover before installing the blade.
Statement 29:
CAUTION:
This equipment is designed to permit the connection of the earthed conductor
of the dc supply circuit to the earthing conductor at the equipment. If this
connection is made, all of the following conditions must be met:
v
This equipment shall be connected directly to the dc supply system
earthing electrode conductor or to a bonding jumper from an earthing
terminal bar or bus to which the dc supply system earthing electrode
conductor is connected.
v This equipment shall be located in the same immediate area (such as,
adjacent cabinets) as any other equipment that has a connection between
the earthed conductor of the same dc supply circuit and the earthing
conductor, and also the point of earthing of the dc system. The dc system
shall not be earthed elsewhere.
v
The dc supply source shall be located within the same premises as this
equipment.
v
Switching or disconnecting devices shall not be in the earthed circuit
conductor between the dc source and the point of connection of the
earthing electrode conductor.
Safety
xiii