code: def _status_message_0x01_received(self, msg):
          
          if msg.cmd2 == 0x00 or msg.cmd2 == 0x02:
              self._update_subscribers(0x00)
          elif msg.cmd2 == 0x01 or msg.cmd2 == 0x03:
              self._update_subscribers(0xff)
          else:
              raise ValueError
docs: Handle status received messages.
  
          The following status values can be received:
              0x00 = Both Outlets Off
              0x01 = Only Top Outlet On
              0x02 = Only Bottom Outlet On
              0x03 = Both Outlets On