Specifies the protocol to be used to connect to Opera.
‘serial’ or ‘tcp’ are supported. If ‘serial’ is specified, AuthBy FIDELIO
will open the serial port specified by Port and configure it to use the
RS232 parameters specified by Baudrate, Databits, Parity and Stopbits and
Handshake. If ‘tcp’ is specified, AuthBy FIDELIO will connect to Opera by
TCP/IP, using the parameters Host and Port. Defaults to
‘tcp’.