APC Switched Rack Power Distribution Unit (PDU) manual See Status LED

USER’S GUIDE switched rack pdu

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Item	Function
￿ Load Indicator LED	Identifies overload and warning conditions for the
	displayed phase. See Load indicator LED.
￿ Input Selector	On three-phase models, press the input selector to
	monitor the current of the next phase.
	For either 1- or 3-phase units, press and hold the
	input selector to invert the display. At five seconds,
	an AA is displayed, at ten seconds the displayed
	numbers invert.
￿ 10/100 Base-T connector	Connects the PDU to the network.
￿ Status LED	See Status LED.
￿ Link-RX/TX LED	See Link-RX/TX (10/100) LED.
￿ RJ-12 Serial Port	Connects the PDU to a terminal emulator program
	for local access to the control console (use the
	supplied serial cable 940-0144).
￿ Current Meter	Displays the current (amps) for the phase indicated
	by the illuminated Load Indicator LED. On 3-phase
	units, the meter will cycle through the phases,
	displaying the current for each phase for 3 seconds.
	If an internal communication failure or power supply
	failure occurs, the meter will display an “Er,” which
	can be cleared by pressing the input selector.
￿ Reset Button	Resets the PDU without affecting the outlet status.

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