Avigilon 1.0MP-HD-H264-DP1 - Connecting to External Devices

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Connecting to External Devices
External devices are connected to the camera through the I/O
terminal. The pinout for the I/O terminal is shown in the following table
and diagram.
Figure: External I/O terminal schematics and example application.
Table:External I/O Terminals
Pin Function Description
1 Input (-)/Output
A
Shared pin for Input and Output.
2 Input (+) The input uses a photocoupler and is
electrically isolated from the internal circuitry.
The input voltage should not exceed 12 V.
3 Output B The output uses a photocoupler and is
electrically isolated from the internal circuitry.
The output terminal (A and B) connections can
be made with either polarity. The output can
drive a maximum load of 50 V and 120 mA.
1
2
3
24
V
3V
+
+
-
-
Switch
Relay
Camera