Industrial grade USB to RS485 converter, it lets you connect any RS485 device directly to your computer's USB port.
Industrial protection: TVS transient suppression protection, electrostatic ESD protection, surge protection, AB signal line short-circuiting and short-circuiting protection with power supply (short-circuiting not burning)
Transmission distance up to 1200 meters (test at 9600bps).
Automatic identification and control of data transmission direction, without any handshake signal (such as RTS, DTR, etc).