Axis Communications 211M - Manual (Page 12)

Page 12 AXIS 211M Installation Guide
Unit connectors
Network connector - RJ-45 Ethernet connector. Supports Power over Ethernet. Using
shielded cables is recommended.
Power connector - Mini DC connector. 7-20V DC, max 5W. See product label for ±
connection.
Audio in - 3.5mm input for a mono microphone, or a 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 exter-
nal devices such as relays and LEDs. Con-
nected devices can be activated by AXIS
VAPIX AP, output buttons on the Live
View page or by an Event Type. The out-
put 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 and GND
Function Pin number Notes Specifications
GND 1
5V DC Power 2 Can be used as an alternative power supply
(7-20VDC) or to power auxiliary equipment
+5VDC (100mA). Max load = 100mA
Digital Input 3 Connect to GND to activate, or leave float-
ing (or unconnected) to deactivate. Must not be exposed to
voltages greater than
20VDC
Transistor
Output 4 Uses 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 pro-
tection against voltage transients. Max load =100mA
Max voltage = 24VDC
(to the transistor)
Pin 3
Pin 4
Pin 2
Pin 1
Terminal connector. Note that the pins
are numbered 1-4, right to left.