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    Amcrest NV4232E-16P-EI

    My alarm block looks like this: NO1 C1 GND 1 2 GND CTRL P GND 3 4 GND My current setup is 12v 1 amp power supply (+) to alarm siren (+) and (-) from power supply to NO1 with (-) from siren to C1. My specs sheet says it has 2 alarm outputs and 4 inputs. What I'm seeing is if I...
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