Axis P3935-RL User Manual page 58

AXIS P3935-LR Network Camera
Specifications
Digital input - For connecting devices that can toggle between an open and closed circuit, for example PIR sensors, door/window
contacts, and glass break detectors.
Digital output - For connecting external devices such as relays and LEDs. Connected devices can be activated by the VAPIX®
Application Programming Interface, trough an event or from the product's webpage.
4-pin terminal block
Function
DC ground
DC output
Digital Input
Digital Output
Example
1
DC ground
2
DC output 12 V, max 15 mA
3 Digital input
4
Digital output
Pin Notes
1
2
Can be used to power auxiliary equipment.
Note: This pin can only be used as power out.
3
Connect to pin 1 to activate, or leave floating (unconnected)
to deactivate.
4
Internally connected to pin 1 (DC ground) when active,
and floating (unconnected) when inactive. If used with an
inductive load, e.g., a relay, connect a diode in parallel with
the load, to protect against voltage transients.
58
Specifications
0 V DC
12 V DC
Max load = 15 mA
0 to max 30 V DC
0 to max 30 V DC, open drain,
100 mA