Installation Guide

12
QRcode mode There are four
wires,power and communication
1.Red wires(DC+),The rst PIN that connects to the terminal block
2.Black wires(GND),The second PIN connects to the terminal block
3.Green wires(RX),The 9 PIN connects to the terminal block
4.White wires(TX),wires(GND),The 12 PIN connects to the terminal block