USB to RS485/RS-422 Terminal Block Converter - Works with Windows 10 Interface Protection: 600W Lightning Strike and surge supression, +- 15KV ESD protection TIA/EIA RS-422, RS485 Modes: Asynchronous, Point-to-Point, Point-to-Multipoint, 2-Wire (Half-Duplex), 4-Wire (Full-Duplex) Load Capability: 32 devices in Point-to-Multipoint topology. Transmission Rates: 300 to 921,600bps, automatic detection of signaling rate