On Thu, Mar 11, 2010 at 6:44 PM, Roger Weichert <rweicher@bigpond.net.au> wrote:
>
> In researching I have come across a program called 232Analyser, downloaded
> it and played with it a bit.

This one? Seems not bad.
http://www.commfront.com/CommFront-Downloads.htm

> So far I only have the free version, but now find out if I want to actually
> 'monitor' the working comms between devices, I need to pay up and register
> it.
>
> I have no problem with paying for it, but before I get in too deep with that
> one, I thought I should check with you guys in case there is a better
> program or device to invest in.

It depends on the application. Our colleague is using this one.
http://www.fte.com/products/SerialAnalyzers-RS232.aspx
http://www.fte.com/products/NetDecoder.aspx

It is not cheap but it understands quite some industrial
serial protocols.

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