RS232/RS485/RS422 to Ethernet converter,support TCP Server,TCP Client,UDP Uni_Cast,UDP Multi_Cast mode, ... &pin definition Ethernet interface: Standard RJ45 socket, automatically adapt 10M/1000M Ethernet .Use the standard network cable, not crossover cable whether ... -dy.com Mode:FS-ETH485A,RS232/RS485/RS422 to Ethernet converter.One year warranty.