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Alarm connection instruction

The DVR support two alarm input mode(normal on/off) ， these

two mode has the same external connection method but different

setting in host system. Choosing normal on/off mode by software

operation make it simple to user and below are the detail steps of

normal on mode setting .

1. Alarm external connection

Typical connection

：

the DVR host supply power to sensor.

We suggest sensor get power supply separately to avoid power supply

instability if there has a long distance between DVR and sensor. We suggest

connected both side GND together to stable the power supply as follows:

DVR

Probe

+12V GND IN 1 IN 2

+ - NO C

DVR

+12V GND IN 1 IN 2

+12V

Probe

Summary of content (4 pages)

PAGE 1
Alarm connection instruction The DVR support two alarm input mode(normal on/off)，these two mode has the same external connection method but different setting in host system. Choosing normal on/off mode by software operation make it simple to user and below are the detail steps of normal on mode setting. 1. Alarm external connection Typical connection：the DVR host supply power to sensor.
PAGE 2
If user wants to parallel connected multi-sensor to host, the DVR can’t recognize the triggered sensor. User needs to parallel connect this resistance to all sensors as below fig. +12V GND IN 1 + - C Probe 1 NO IN 2 DVR + - C NO Probe 2 + - C NO Probe 3 2. Alarm input normal on/off setting of software 7000T series: Enter main interface —> record mode—> alarm record to enter the interface as follows, and choose the open status of sensor type.
PAGE 3
8000T/8200T series: Enter the main interface->alarm setup-> alarm output ,and choose the normal on status of sensor type. 3. Alarm output connection When alarm happens, the main board will give a triggered voltage signal to the alarm output equipment（loud speaker, light, etc） and make them output alarm. But the alarm equipment should has a separately power supply.
PAGE 4
Independent power supply Alarm Speaker OUT 1A OUT 1B DVR There has an power consumption limit of external alarm equipment： 7000T series：240V/AC 7A, 125V/AC 10A, 28V/DC 10A 8000T/8200T series：120V/AC 1A, 24V/DC 1A The excessive power consumption may damage main board. FAQ 01：How to use the alarm function？ Answer： Our system supports general sensors. （e.g. smoke sensor, IR sensor ） Outgoing On/off value transfers the signal to Server via alarm processing module.