code: public void sendRequest(KNXAddress dst, Priority p, byte[] nsdu)
  		throws KNXTimeoutException, KNXLinkClosedException
  	{
  		doSend(createEMI(CEMILData.MC_LDATA_REQ, dst, p, nsdu), false, dst);
  	}
docs: /* (non-Javadoc)
  @see tuwien.auto.calimero.link.KNXNetworkLink#sendRequest
  (tuwien.auto.calimero.KNXAddress, tuwien.auto.calimero.Priority, byte[])