USB RS232 converter serial port maximum 460.2Kbps,TXD,RXD signal have 600W surge ... protocol, supports full duplex data operating mode6) USB converter RS232 serial port maximum 460.2Kbps7) USB to RS232 converter with led show TXD,RXD8) TXD,RXD ... signal have 600W surge protect9) Pass CE&RoHs Model:ATC-810, USB to RS232 converter ...