Canon VB-C300 - Manual (Page 50)

3-4
External Device I/O Terminals
The camera has two input and one output terminals for the external devices.
External Device Input Terminals (IN1, IN2)
The external device input terminals consist of two pairs of terminals (IN1, IN2). The - terminal is
grounded on the inside of the main unit. By connecting 2 cables to the + and - terminals and then
electrically short-circuiting across the terminals (ON) or separating the connection (OFF), an
interrupt can be generated for the NC Viewer.
I/O Terminals
There are External Device I/O, Audio I/O, Video out (for maintenance) and Network terminals on
the back of the camera.
DC IN 12-13V
AC IN 24V
B A
OUT IN-2 IN-1
* You can check the external input status and operate external output using the NC viewer.
Note
Connect any sensors or switches to terminals with electrically separate GND terminals
and power supplies.