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Output Settings
DO relay output could support connected alarm equipment rated as high as 0.5A 24V DC, and also
could be configured for either normal open or normal closed output by means of a Jumper.
* Default is NO
Figure 11-5: Jumper of Video capture card
# The circle part as the jumper
Normal open, NO
If the DO relay output is set to be normally open, when an alarm is triggered, The DO relay output of
the DVR will transition from open to closed.
Normal Closed, NC
If the DO relay output is set to be normally closed, when an alarm is triggered, The DO relay output
of the DVR will transition from closed to open.
The user can specify the connection point number and also select a closed or open condition under the
“
Manual Dout Control
”, in order to test the functionality of any given connected alarm device.
Figure 11-6: Manual Dout Control setting
Normal Open, NO (Default)
Normal Closed, NC
