code: public byte[] toByteArray()
  	{
  		final byte[] buf = super.toByteArray();
  		int i = 2;
  		for (final Iterator it = map.entrySet().iterator(); it.hasNext();) {
  			final Map.Entry e = (Map.Entry) it.next();
  			buf[i++] = ((Short) e.getKey()).byteValue();
  			buf[i++] = ((Short) e.getValue()).byteValue();
  		}
  		return buf;
  	}
docs: /* (non-Javadoc)
  @see tuwien.auto.calimero.knxnetip.util.DIB#toByteArray()