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WARNING: To reduce the risk of injury from electric shock hazards, do not open power supplies. Refer all maintenance,
upgrades, and servicing to qualified personnel
CAUTION: Mixing different types of power supplies in the same server might:
•
Limit or disable some power supply features including support for power redundancy.
•
Cause the system to become unstable and might shut down.
To ensure access to all available features, all power supplies in the same server should have the same output and
efficiency ratings. Verify that all power supplies have the same part number and label color.
DC power supply warnings and cautions
WARNING: To reduce the risk of electric shock, be sure that the cable grounding kit is properly installed and connected
to a suitable protective earth terminal before connecting the power source to the rack.
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 the following must be met:
•
This equipment must 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.
•
This equipment must 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 must be earthed elsewhere.
•
The DC supply source is to be located within the same premises as the equipment.
•
Switching or disconnecting devices must not be in the earthed circuit conductor between the DC source and the
point of connection of the earthing electrode conductor.
Installing an AC power supply
Prerequisites
Before installing a power supply option, review the Power supply warnings and cautions.
About this task
WARNING: To reduce the risk of personal injury from hot surfaces, allow the power supply, power supply blank, or dual
slot power supply adapter to cool before touching it.
CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated
with either a component or a blank.
Procedure
1. If installed, open the cable management arm.
Hardware options installation
76
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