code: def _connect_to_sensor(self):
          
          name = self._device_name
          try:
              # Check if device is actively in list
              rospy.wait_for_service('phoxi_camera/get_device_list')
              device_list = rospy.ServiceProxy('phoxi_camera/get_device_list', GetDeviceList)().out
              if not str(name) in device_list:
                  logging.error('PhoXi sensor {} not in list of active devices'.format(name))
                  return False
  
              success = rospy.ServiceProxy('phoxi_camera/connect_camera', ConnectCamera)(name).success
              if not success:
                  logging.error('Could not connect to PhoXi sensor {}'.format(name))
                  return False
  
              logging.debug('Connected to PhoXi Sensor {}'.format(name))
              return True
  
          except rospy.ServiceException as e:
              logging.error('Service call failed: {}'.format(e))
              return False
docs: Connect to the sensor.