code: public byte[] getProperty(int objIndex, int pid, int start, int elements)
  		throws KNXTimeoutException, KNXRemoteException, KNXConnectionClosedException
  	{
  		if (closed)
  			throw new KNXIllegalStateException("adapter closed");
  		conn.send(new CEMIDevMgmt(CEMIDevMgmt.MC_PROPREAD_REQ, getObjectType(objIndex),
  			1, pid, start, elements), KNXnetIPConnection.WAIT_FOR_CON);
  		return findFrame(CEMIDevMgmt.MC_PROPREAD_CON);
  	}
docs: /* (non-Javadoc)
  @see tuwien.auto.calimero.mgmt.PropertyAdapter#getProperty(int, int, int, int)