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).