def _safe_sendBreak_v2_7(self):  # pylint: disable=invalid-name
        """! pyserial 2.7 API implementation of sendBreak/setBreak
        @details
        Below API is deprecated for pyserial 3.x versions!
        http://pyserial.readthedocs.org/en/latest/pyserial_api.html#serial.Serial.sendBreak
        http://pyserial.readthedocs.org/en/latest/pyserial_api.html#serial.Serial.setBreak
        """
        result = True
        try:
            self.sendBreak()
        except:  # pylint: disable=bare-except
            # In Linux a termios.error is raised in sendBreak and in setBreak.
            # The following setBreak() is needed to release the reset signal on the target mcu.
            try:
                self.setBreak(False)
            except:  # pylint: disable=bare-except
                result = False
        return result
! pyserial 2.7 API implementation of sendBreak/setBreak
        @details
        Below API is deprecated for pyserial 3.x versions!
        http://pyserial.readthedocs.org/en/latest/pyserial_api.html#serial.Serial.sendBreak
        http://pyserial.readthedocs.org/en/latest/pyserial_api.html#serial.Serial.setBreak