Axis P1355 Guide D'installation page 11

AXIS P1355/P1357 Installation Guide
Function Pin Notes
GND 1 Ground
3.3 V DC 2 Can be used to power auxiliary equipment.
Power Note: This pin can only be used as power out.
Digital 3 Connect to GND to activate, or leave floating
Input (unconnected) to deactivate.
Digital 4 Uses an open-drain NFET transistor with the source
Output connected to GND. If used with an external relay, a
diode must be connected in parallel with the load,
for protection against voltage transients.
The following connection diagram gives an example of how to connect an auxiliary device to the
network camera.
3.3V
max. 50mA
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Specifications
Max load = 50 mA
Min. input = -40 V DC
Max. input= +40 V DC
Max. load =100 mA
Max. voltage = + 40 V DC