AbortOnError BaudRate ByteSize DsrSensitivity DtrControl EofChar ErrorChar ErrorCharReplace EvtChar InX NullStrip OutX OutxCtsFlow OutxDsrFlow Parity ParityCheck RtsControl StopBits TXContinueOnXoff XoffChar XoffLim XonChar XonLim

XonChar char XonChar Specifies the value of the XON character for both transmission and reception.