> 
> Hi Guys,
> 
> I am an electronics tech repairing a lot of varied equipment. I am seeing
> more and more gear which relies on serial communications RS-232 and 485 to
> operate.
> 
> The problem is that there is no service data available (at least to me)
> and
> so I am flying blind most of the time.
> 
> Generally I get away with it and am able to repair the gear, but I could
> be
> far more efficient if I understood how each device talks to each other,
> and
> could replicate a working environment.
> 
> Often I only have one piece of the gear without any of the rest of the
> system, so it is a lot of guesswork.
> 
> In researching I have come across a program called 232Analyser, downloaded
> it and played with it a bit.
> 
> 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.
> 
> Regards, Roger
> 

I tend to use my Intronix USB Logic Analyser to investigate serial port
comms problems. It has a 232 analyser built into the software and using a
Logic Analyser allows the baud rate and signal polarity to be easily
determined.

http://www.pctestinstruments.com/

Cheers
James


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