1 、 Prolong the communication distance of RS-422/RS-485
　　 bus network
2 、 Increase the number of RS-422/RS-485 bus network device
3 、 Automatic data direction control, zero-latency time design
4 、 Photoelectric isolator and DC/DC module, support 3500V isolation
　　 voltage and effectively prevent lightning strike and
　　 common code interference
5 、 High efficiency lightning protection tube can effectively
　　 inhibit lightning and ESD, and support 1000W lightning
　　 strike & surge protection power on each line.
6 、 Greatly enhance the reliability of the whole RS-422/485 network
7 、 Full metal housing, anti-static, powerful anti-jamming capacity