"8">
<center><img SRC="graphics/calc.gif" ALT="Receiving Unit" BORDER=0 height=35 width=60 align=BOTTOM></center>
</td>

<td WIDTH="80%" BGCOLOR="#FFFFFF">VAR (specifing the size without the extra
four bytes).</td>
</tr>

<tr>
<td WIDTH="7%" BGCOLOR="#FFFFFF">
<center>2&nbsp;</center>
</td>

<td BGCOLOR="#FFFFFF">
<center><img SRC="graphics/left.gif" ALT="<===" BORDER=0 height=13 width=22 align=BOTTOM></center>
</td>

<td WIDTH="80%" BGCOLOR="#FFFFFF">ACK</td>
</tr>

<tr>
<td WIDTH="7%" BGCOLOR="#FFFFFF">
<