code: def __send_break(self):
          
          if self.port:
              self.logger.debug("sendBreak to device to reboot", extra={'type': '<->'})
              result = self.port.safe_sendBreak()
              time.sleep(1)
              if result:
                  self.logger.debug("reset completed", extra={'type': '<->'})
              else:
                  self.logger.warning("reset failed", extra={'type': '<->'})
              return result
          return None
docs: Sends break to device.
  
          :return: result of EnhancedSerial safe_sendBreak()