Dahua DHI-ITSJC-2302-DC12 - Cable Connection

User’s Manual
8
Table 3-1 Cable description
Cable
Description
J1-1 (brown), J1-2 (yellow)
Relay output.
J2-1 (white), J2-2 (purple)
Program loading control, barrier closing signal input.
T/R- (blue), T/R+ (green)
RS-485 communication.
GND (black), +12V (red)
12V power output.
3.3.2 Cable Connection
 Connect the Radar to power: Connect +12V (red) and GND (black) to positive and
negative terminals of power source respectively. A solid red indicator on the Radar
indicates that the power supply is normal.
 Connect the Radar to camera:
Alarm: Connect J1-1 (brown) and J1-2 (yellow) to alarm output ports of camera. 
RS-485 communication: Connect T/R- (blue) and T/R+ (green) to RS-485 ports of the 
camera, and then connect the RS-485 cable to computer serial port.
 Connect to barrier: Connect J1-1 (white) and J1-2 (purple) to the I/O and COM ports of the
barrier.
 Upgrade radar firmware: Connect J2-1 (white) and J2-2 (purple) to the push button. When
connecting the radar to barrier, you can also connect J2-1 (white) and J2-2 (purple) to
closing signal input port of the barrier.