</font><blockquote><font size="1" face="Verdana, Arial">quote:</font><hr /><font size="2" face="Verdana, Arial">Originally posted by Vlad:<br /><strong> Phil,<br />it won't suffice as there is no CRC checking. One bad bit and you could loose the lot! <img border="0" title="" alt="[Smile]" src="images/icons/default/smile.gif" /> </strong></font><hr /></blockquote><font size="2" face="Verdana, Arial">Looks like IPT paid off, I know what CRC checking is, Cyclic Redundancy Checking, an error checking method often used in com. systems <img border="0" title="" alt="[Smile]" src="images/icons/default/smile.gif" />