Page 18 AXIS Q1602/Q1604 Network Camera Installation Guide
I/O terminal connector - Used in applications for e.g. motion
detection, event triggering, time lapse recording and alarm
notifications. In addition to an auxiliary power and a GND pin, it
provides the interface to:
• 1 digital output – For connecting external devices
such as relays and LEDs. Connected devices can be
activated by the VAPIX® Application Programming
Interface (API), by the output buttons on the Live
View page or by an Action Rule. The output will
show as active (shown under System Options > Ports & Devices) if the alarm device is
activated.
• 1 digital input – An alarm input for connecting devices that can toggle between an
open and closed circuit, for example: PIRs, door/window contacts, and glass break
detectors. When a signal is received the state changes and the input becomes active
(shown under System Options > Ports & Devices).
Function Pin Notes Specifications
GND 1 Ground
3.3 V DC
Power
2 Can be used to power auxiliary equipment.
Note: This pin can only
be used as power out.
Max load = 50 mA
Digital
Input
3 Connect to GND to activate, or leave floating
(unconnected) to deactivate.
0 to +40 V DC
Digital
Output
4 Internal connection to ground when activated,
floating (unconnected) when deactivated. If used
with an inductive load, eg. a relay, a diode must be
connected in parallel with the load, for protection
against voltage transients.
Max. load = 100 mA
Max. voltage = + 40 V DC
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