code: public ConfigurationBuilder withSerialPort(String serialPort, int baudRate) {
  		configuration.connector = new SerialConnector();    
  		configuration.address = new SerialAddress(serialPort, baudRate, DataBits.DATABITS_8, StopBits.BITS_1, Parity.NONE, FlowControl.NONE );
  		return this;
  	}
docs: Use a local serial port for communicating with the IT-100.
  @param serialPort The serial port name. (/dev/ttyUSB0, COM1:, etc).
  @param baudRate The baud rate to use while communicating with the IT-100. IT-100 default is 19200.
  @return This builder instance.