The robust SU-302 data converter connects serial devices in industrial environments via USB. It comes with a USB 2.0 port as well as RS-232 and RS-485/EIA-485 / RS-422/EIA-422 serial interfaces, For fitting to a 35 mm wide top-hat rail in equipment cabinets (DIN EN 60715), Power supply via USB (up to approx. 200 mA at 5 V on a full load), Recommended for use with the SEH INU-100 USB device server.