Avigilon 1.0W-H3-BO1-IR, Installation Manual, Page: 17 / 139

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English
Connecting to External Devices
External devices are connected to the camera through the I/O cable.
Refer to the following table for the connections.
NOTE: The camera can be connected to an external microphone and
speaker through the I/O connector.
NOTE: The 12 V connection can be used to energize a relay coil with
up to 50 mA. If more than 50 mA is required, an external
power supply up to 25 VDC at 120 mA can be used.
Figure: External I/O schematics and example application.
Table:External I/O Connections
Wire Color Description
Yellow Audio ground return
Brown Audio input
Green Audio output
Grey Relay ground return
Pink Relay output 1
Red Relay input 1
Purple +12 V output for relay drive
3.3 V
MAX 50 mA
GND 12 V
GND
MAX 120 mA
GND GND
RELAY
Max 50 mA
IN OUT
SWITCH
PURPLE
GREY RED PINK