Axis Communications user manual Axis 250S, Schematic Diagram Terminal Connectors a & B

AXIS 250S User’s Manual Unit Connections 47

Schematic Diagram - Terminal Connectors A & B

AXIS 250S

				Center pin +
3.3V		Switch		Ring -
				o
!	!	Mode	!
		Power		!	PS-K 9W
		Supply	!	o
			!			Infrared Sensor				+
				A1			+		!
						o		o
	!		!	o	!					External
						o				power
				A2						supply
						o
				o			-
	!	!				o		o	!	-
		!		A3o	!
				A4
				o
			!
	!				o
		!		B1	o
				o		(e.g. door switch)
	!
				B2o		!
		!				o			o
		A		B3			Device
		RS-485		o		o
		B		B4o		!
							o o
			GND PIN 5!
					COM
			!	!