ACTi A81 - Connecting Input; Output Devices (Optional); How to Connect DI;DO Devices

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Hardware Manual
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Connecting Input / Output Devices (Optional)
Depending on your surveillance needs, you may connect digital input / output, audio input / output,
and video output device to your camera.
How to Connect DI/DO Devices
Press and hold the orange tab as you insert the wire through the pin slot, then release the orange
tab to secure the wire.
To connect digital input / output devices (DI/DO), map the pins to one of the pin combinations
below:
Device
Mapping Instructions
Digital Output
(DO)
DO
Connect the wires of the output device to DO and 5V.
5V
Digital Input
(DI)
DI
Connect the wires of the input device to DI and GND.
GND