Dahua 40 Series Quick Start Manual - Page 10
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3.2 Wiring
The dome camera includes the following wiring bundles:
Power
Alarm
Video
Audio
RS485
3.3 Alarm Setup
Certain devices support alarm inputs and outputs, check your specific device for alarm capability.
Alarm Input
Refer to Figure 3-3 for alarm input configuration. The device collects that status of the alarm input port
when the input signal is idle or grounded. If the input signal is connected to the 3.3 V or it is idle then
the device receives the alarm input signal. If input signal is grounded, then no alarm input signal is
detected.
Wire Color
Red
Brown
Yellow/Green
Blue
Green
Pink
White
Black
Yellow
Orange
Figure 3-2
8
Connection
12 VDC
Alarm IN 1
Alarm IN 2
Alarm GND
Alarm OUT 1
Alarm COM 1
Video Out
Alarm IN
Alarm GND
RS485 A +
RS485 B -