Difference between revisions of "NVR/Recording Setup/Physical Alarm"
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'''COM''': Communication Port or Ground N.C: Normally Closed - A Trigger that initiates when an object disrupts the communication line of 2 sensors | '''COM''': Communication Port or Ground N.C: Normally Closed - A Trigger that initiates when an object disrupts the communication line of 2 sensors | ||
Revision as of 21:28, 29 December 2015
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.
