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AXIS Q1604–E Network Camera
Hardware overview
I/O connector
DC power input
Note
For technical specifications, see
page 52
.
I/O terminal connector - Use in applications for e.g. motion detection, event triggering, time lapse recording and alarm notifications.
In addition to an auxiliary pow e r and a GND pin, the I/O terminal connector provides the interface to:
• Digital output — For connecting external devices such as relays and LEDs. Connected devices can be activated by
the VAPIX® Application Prog ramm ing Interface, 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.
• Digital input — An alarm input for connecting devices that ca n toggle between an open a nd closed circuit, for
example: PIRs, door/window contacts, glass break detectors, etc. When a signal is received the state changes and
the input becomes active (shown under System Options > Ports & Devices).
Note
The I/O connector is connected to the housing (fan/heater) on delivery, and will trigger an input port event to indicate a fan
or heater error when activated. See
Events, on page 31
for information on how to set up an event.
Function Pin Notes
Specifications
GND
1
Ground
3.3 V DC Power
2
Can be used to power aux iliary 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.
0to+40VDC
Digital Output
4
Internal connection to ground when activated, floating
(unconnected) when deactivated. If used with an i
nductive
load, e.g. 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
8
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