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Pir / Camera Cabling


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Hi

 

Recently I was using a vista minidome that gave me an alarm cable aswell as power/coax. Does anyone know what the function of an alarm cable on a camera is?

 

I thought PIR's should be cabled to the DVR / NVR for alarm transmission. If someone would clear this up that would be great.

 

Thanks

  • 2 weeks later...

some cameras can give an alarm out on activity detection. Ok for local dvr logging use, useless for reporting imo

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