Axis Communications 210A - Manual (Page 47)

47 AXIS 210/210A/211/211A - 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 e.g. motion detection, event triggering,
time lapse recording, alarm notification via e-mail, image storage to FTP locations, etc.
• Input - for connecting e.g. a push button. If the push button is pressed, the state
changes and the input becomes active (shown under Event Configuration > Port
Status).
• Output - connects e.g. an alarm device that can be activated by Output buttons
on the Live View page, or by an Event Type. The output will show as active
(Event Configuration > Port Status) if the alarm device is activated.
Pin Function Description
4 Transistor Output With a maximum load of 100mA and a maximum voltage of 24V DC, this output
has an open-collector NPN transistor with the emitter connected to pin 1 (GND).
If used with an external relay, a diode must be connected in parallel with the load,
for protection against voltage transients.
3 Digital Input Connect to GND to activate, or leave floating (or unconnected) to deactivate.
2 Auxiliary DC Power Input 7-20 VDC/max 5W. Electrically connected in parallel with the PS-K power
connector, this pin provides an auxiliary connector for mains power to the unit. If
the unit is powered via this pin, a fuse should be used (rating: 1A Slow).
This pin can also be used to power auxiliary equipment, max 100mA, but note that
this is not possible when the AXIS 210A/AXIS 211/211A is powered by PoE.
1 GND
Terminal connector. Note that the pins
are numbered 1-4, right to left.
DC-Iris control cable
(AXIS 211/211A only).
4 3 2 1
Audio Output/Input
(AXIS 210A/211A only).