question: reports the open status of the port . concode_field_sep ModbusSerialTransport m_Transport concode_elem_sep CommPortIdentifier m_PortIdentifyer concode_elem_sep SerialPort m_SerialPort concode_elem_sep InputStream m_SerialIn concode_elem_sep Logger logger concode_elem_sep SerialParameters m_Parameters concode_elem_sep boolean m_Open concode_field_sep void setConnectionParameters concode_elem_sep void serialEvent concode_elem_sep ModbusTransport getModbusTransport concode_elem_sep void setReceiveTimeout concode_elem_sep SerialPort getSerialPort concode_elem_sep void close concode_elem_sep void open
target: boolean function ( ) { return m_Open ; }