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Three-Phase Rack PDU — Installation and Operation Manual 11
Operation
Display interface
Control button:
• Press to change the phase of the current displayed on
the digital display.
• Press and hold for five seconds to view the orientation;
hold for an additional five seconds to change the
orientation.
• Press to silence an alarm.
Display of the current used by the PDU and attached
devices:
• Shows the aggregate current for the phase
corresponding to the Phase Indicator LED that is
illuminated.
• Cycles through all three phases in 3-second intervals.
Serial port: Access internal menus by connecting this
port (RJ-11 modular port) to a serial port on your
computer, using the supplied serial cable (part number
940-0144).
Phase indicator LEDs:
• Indicates the phase corresponding to the current listed
in the digital display.
• Indicates normal (green), warning (yellow) or alarm
(red) condition.
Status LED: Indicates the status of the network
connection and the state of the PDU.
Ethernet Port: Connects the PDU to the InfraStruXure
network, using a CAT-5 network cable.
Link LED: Indicates whether there is activity on the
network.