Avigilon 16MP-HD-PRO-C - Connecting to External Devices

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Connecting to External Devices
The camera can be connected to external devices through the I/O terminal on the rear of the
camera. The pinout for the I/O terminal is shown in the table below. Consult the software user
guide for details on how configure the I/O.
Table: External I/O Terminals
Pin Function Description
1 GND Ground for RS-485 interface.
2 RS-485 RX/TX+ Half-duplex RS-485 interface for controlling external
equipment.
3 RS-485 RX/TX-
4 Input (-)/Output A Shared pin for Input and Output.
5 Input (+) The input uses a photocoupler and is electrically isolated from
the internal circuitry. The input voltage should not exceed 12 V.
6 Output B The output uses a photocoupler and is electrically isolated
from the internal circuitry. The output terminal (A and B)
connections can be made with either polarity. The output can
drive a maximum load of 50 V and 120 mA.
The camera schematic and example applications are show in the figure below.
RS-485
External Device
(e.g. Pan/Tilt)
Switch
Relay
1
2
3
4
5
6
24V
3V
+
+
-
-
Camera
Figure: External I/O Terminal Schematics and Example Applications