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NVR/Recording Setup/Physical Alarm
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.
- 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.
