Full control over the serial port with RFC 2217.The network sockets and therefore runs on POSIX systems only. It uses select, no threads, for the serial ports and This example implements a TCP/IP to serial port service that works with Multi-port TCP/IP - serial bridge (RFC 2217) ¶ When the connection is terminated it waits for the next connect. Only one connection at once is supported. Anyone can remotely connect to this service over the network. py [ - parity, default : N - rtscts enable RTS / CTS flow control ( default off ) - xonxoff enable software flow control ( default off ) - rts RTS set initial RTS line state ( possible values : 0, 1 ) - dtr DTR set initial DTR line state ( possible values : 0, 1 ) network settings : - P LOCALPORT, - localport LOCALPORT local TCP port NOTE : no security measures are implemented.