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Installing an uninterruptible power supply
The uninterruptible power supply (UPS) comes with standard rack mounting
brackets installed and can occupy either 3U or 5U of space in your rack cabinet,
depending upon the UPS model. Support rails also come with some UPS models.
See the documentation that comes with the UPS for detailed installation
instructions.
Attention: The batteries inside of the UPS are disconnected before packaging
the UPS. In some UPS models, the batteries are also not installed. See the
documentation that comes with your UPS for detailed instructions on how to install
and connect the batteries before you turn on or install the UPS in your rack cabinet.
Use the following general procedure to install a UPS in your rack cabinet:
Statement 8:
DANGER
v Plug power cords from devices in the rack cabinet into electrical outlets
that are located near the rack cabinet and are easily accessible.
v Each rack cabinet might have more than one power cord. Be sure to
disconnect all power cords in the rack cabinet before servicing any
device in the rack cabinet.
v Install an emergency-power-off switch if more than one power device
(power distribution unit or uninterruptible power supply) is installed in
the same rack cabinet.
v Connect all devices installed in a rack cabinet to power devices installed
in the same rack cabinet. Do not plug a power cord from a device
installed in one rack cabinet into a power device installed in a different
rack cabinet.
106 Hardware Maintenance Manual: IBM PC Server/Enterprise Racks Types 9306, 9308