Statement 19:
CAUTION: The power-control button on the device does not turn off the electrical
current supplied to the device. The device also might have more than one
connection to dc power. To remove all electrical current from the device, ensure that
all connections to dc power are disconnected at the dc power input terminals.
OFF
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.
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.
Chapter 4. Removing and replacing server components 71
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