NVR/Recording Setup/Physical Alarm

Revision as of 20:57, 30 December 2015 by Mark (talk | contribs) (Physical Alarm Setup)

Physical Alarm Setup

Please Note: Setting up alarm triggers will only work with recorders that have alarm inputs.

STEP 1. Identify the connections on the Alarm Trigger.

Physical alarm pic 1.png
  • COM: Communication Port or Ground N.C: Normally Closed - A Trigger that initiates when an object disrupts the communication line of 2 sensors
  • N.C: Normally Closed - A Trigger that initiates when an object disrupts the communication line of 2 sensors
  • N.O: Normally Open - A Trigger that initiates when an object completes the communication line of 2 sensors.


STEP 2. Connect the N.C. (Normally Closed) wire to one of the numbered ports. Connect the COM wire to the COM / Ground Port. Ala r m Inputs are grouped in fours. Each group uses the Communication/Ground Port on the right.

Physical alarm 2.png