DANGER
vPlug power cords from devices in the rack cabinet into electrical outlets
that are located near the rack cabinet and are easily accessible.
vEach 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.
vInstall 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.
vConnect 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.
26 Hardware Maintenance Manual: IBM PC Server/Enterprise Racks Types 9306, 9308