ystem data)</i></td>
    </tr>
    <tr>
      <td bgcolor="#ffcccc">TI:</td>
      <td bgcolor="#ffcccc" width="50%"><b><tt>85&nbsp;56&nbsp;B1&nbsp;08</tt></b></td>
      <td bgcolor="#ffcccc" width="50%"><i>Acknowledgement of data</i></td>
    </tr>
    <tr>
      <td bgcolor="#ccffcc">PC:</td>
      <td bgcolor="#ccffcc" width="50%"><b><tt>05&nbsp;15&nbsp;B3&nbsp;19&nbsp;</tt></b>&lt;19B3h&nbsp;bytes&nbsp;of&nbsp;data&nbsp;plus&nbsp;checksum&gt;</td>
      <td bgcolor="#ccffcc" width="50%"><i>Backup data 