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Re: comm problem

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there is another IC on board provided me, that is MAX1487 and there > are only two wire conneting(RXD,TXD) to it. iam connectint only two > wire from com port.

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It doesn't matter how much code you write, either good or bad. If you don't have a ground reference between the com port and your system, nothing will work.

Try asking in 'sci.electronics.basics' for an explanation of the term 'Ground Reference'.

--
The Force is dark on one side, light on the other and holds the world
together.

Hmmm, just like Gaffer Tape then.
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