Mace DVR0804RW, DVR1604RW, DVR0404RW manual Connection of the alarm input

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- Connection of the alarm input:

	Pwr Supply, Alarm Device and DVR connection
		Alarm Device
	+12V		GND	Com	NC
	￿		￿	￿	￿
						￿ALARMIN			Typical	￿
									connection to
								￿		Instruction of the alarm
									DVR alarm in.	input end:
							￿GND
										8 channel alarm
										inputs with NO or
										NC alarm(normally
										open or normally
close type). The power out of the alarm sensor can be provided by the DVR(Low current only) or (External
alarm power supply)

·Instructions for alarm device power from DVR:

N/O or NC alarm outputs refer to information below..

·Instruction of the controllable +12V

Available for Low Current Power to Alarm devices.

·Instruction of RS485 A & B line:

Used to connect the A and B line of the PTZ units.

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