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47
AXIS 216FD/FD-V/MFD/MFD-V - The I/O Terminal Connector
The I/O Terminal Connector
Pinout and Interface
The 4-pin I/O terminal connector provides the interface to:
• 1 transistor output
• 1 digital input
• auxiliary power and GND
The terminal connector is used in applications for mo
tion detection, event triggering, time
lapse recording, alarm notification via email, and image storage to FTP locations.
• Input - for connecting a
push button, for example. If the push button is pressed,
the state changes and the input becomes active (shown under Event Configura-
tion > Port Status).
• Output
- connects an alarm device that can be activated by Output buttons on the
Live View page, or by an Event Type. The output shows as active (Event Config-
uration > Port Status)
if the alarm device is activated.
I/O terminal connector
Pin Function Description
1GND
Ground
23.3V DC
Can be used to power auxiliary equipment, max 50mA.
3 Digital Input Connect to GND to activate, or leave floating (or unconnected) to deactivate.
4 Transistor Output With a maximum load of 50mA and a maximum voltage of 24V DC, this out-
put has an open-collector NPN transistor with the emitter connected to the
GND pin. If used with an external relay, a diode must be connected in parallel
with the load, for protection against voltage transients.
I/O terminal
connector
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