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Video Recorder - User Manual 25
Figure 2-5 DO Board Terminal Block Connections
The Digital Output board with relay outputs contain jumpers to set the de-energized state of the relay
contacts. The relays are factory set to Normally Closed (NC) for each output on the relay output board,
To change the state of the contacts: See
Figure 2-6 DO Board Relay Contact Setting. Use a pair
of needle-nose pliers and move the jumper from the location NC (normally closed ) to the location NO
(normally open).