Q-See MODEL QC40198, MODEL QC40196 user manual Alarm Output, Relay Specification

The accompanying diagram (Picture 7-2), along with your alarm’s manual should be consulted to ensure proper connection.

•Normal open or Normal close type

•Parallel connect COM end and GND end of the alarm detector (Provide external power to the alarm detector).

•Parallel connect the Ground of the combo DVR and the ground of the alarm detector.

•Connect the NC port of the alarm sensor to the combo DVR alarm input(ALARM)

•Use the same ground with that of combo DVR if you use external power to the alarm device.

Alarm input public end should jump out with device power end. Alarm Device Connection Terminal

+12V GND COM PC

Alarm Device

Connection Terminal

ALARM

GND

+12V GND

PICTURE 7-2

7.2 ALARM OUTPUT

The alarm output port should not be directly connected to a higher power load (greater than 1A) to avoid high current which may damage the relay. Use the co-contactor to establish the connection between the alarm output port and the load.

•2 way relay alarm output (NO contact). Provides external power to external alarm device.

•To avoid overloading, please read the following relay parameters sheet carefully.

•RS485 A/B cable is for the A/B cable of the PTZ camera.

	Relay Specification
Model:	JRC-27F
Material of the contact	Silver
Rating (Resistance Load)	Rated switch capacity	30VDC 2A, 125VAC 1A
	Maximum switch power	125VA 160W
	Maximum switch voltage	250VAC, 220VDC
	Maximum switch currency	1A
Insulation	Between contacts with same polarity	1000VAC 1minute
	Between contacts with different	1000VAC 1minute	CHAPTER7
	polarity
	Between contacts and winding	1000VAC 1minute
			ALARMS
Surge voltage	Between contacts with same polarity	1500V (10×160us)
Length of open time	3ms max
Length of close time	3ms max
Longevity	Mechanical	50×106 times (3Hz)
	Electrical	200×103 times (0.5Hz)
Temperature	-40°C ~+70°C (-40°F to +158°F)

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