AXIS 212 PTZ/-V Installation Guide Page 13
ENGLISH
Unit connectors
Network connector - RJ-45 Ethernet connector. Supports Power over Ethernet. Using shielded
cables is recommended.
Power connector - For connection of the PS-H power adapter (included).
Audio in - 3.5mm input for a mono microphone, or for line-in mono signal (left channel is used
from a stereo signal).
Audio out - Audio output (line level), that can be connected to a public address (PA) system or an
active speaker with a built-in amplifier. A pair of headphones can also be attached. A stereo
connector must be used for the audio out.
I/O terminal connector - Used in applications for e.g. motion detection, event triggering, time
lapse recording and alarm notifications. It provides the interface to:
• 1 transistor output - For connecting external devices such as relays and LEDs. Connected
devices can be activated by the VAPIX Application Programming Interface (API), by the out-
put buttons on the Live View page or by an Event Type. The output will show as active
(shown under Event Configuration > Port Status) 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, glass break detectors, etc.
When a signal is received the state changes and the input becomes active (shown under
Event Configuration > Port Status).
• Auxiliary power
•GND
I/O terminal connector
Pin Function Description
4Transistor
Output
With a maximum load of 50mA and a maximum voltage of 24V DC, this output
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.
3Digital
Input
Connect to GND to activate, or leave floating (or unconnected) to
deactivate.
2 3.3V DC Can be used to power auxiliary equipment, max 50mA.
1GND
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