DR Series: Configuring an alarm input to trigger an alarm output

Super Admin
24 Jun 2026
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  1. Take the wires from the camera and wire it to AI1 and G on the back of the NVR.
  2. Take the NO and C and wire it to a voltmeter.
  3. Log in to the NVR and go to Setup > Device > Schedule.
  4. Click the Channels column and verify 'NVR AO1' is checked.
  5. Uncheck 'Beep'. Click OK then Apply.


     
  6. Click Event > Additional Event > Alarm In > check mark NVR AI1 and set the type to 'NO'.
  7. Click the Actions column, click Alarm Out > check mark NVR AO 1 > OK > OK > Apply > OK.

  8. Turn on the voltmeter and set it to continuity mode.
  9. Trigger the alarm output from the camera.
  10. If you hear a tone from the multimeter,  it is properly wired and configured.
  11. Take the wires off the multimeter and wire it into whatever you are working on.

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