From: mbaum7901 <mbaum7901@gmail.com>
To: 'Microcontroller discussion list - Public.' <piclist@mit.edu>
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Date: Thu, 1 Oct 2020 15:39:57 -0700
Subject: RE: [EE] RS-485 analyzer/sniffer?
Thread-Topic: [EE] RS-485 analyzer/sniffer?
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The neat think about TAL Breakout is the way it displays both sides of the
conversation.=20
It needs two serial ports to monitor both directions but very useful.
Years ago, one of my companies used this so extensively that we designed an=
d
built breakout boards for just this purpose.

Mike

-----Original Message-----
From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of
Alan Pearce
Sent: Thursday, October 01, 2020 17:09
To: Microcontroller discussion list - Public. <piclist@mit.edu>
Subject: Re: [EE] RS-485 analyzer/sniffer?

Hmm, looks like all the software is Windows, BUT there is free C/C++ source
code for a terminal program. Haven't looked at it but again it may be
windows centric ...

On Thu, 1 Oct 2020 at 21:31, mbaum7901 <mbaum7901@gmail.com> wrote:
>
> I have used a free software package called TAL Breakout for over 15 years=
..
> It is actually a demo of a commercial offering, but the free version=20
> works very well
>
> https://www.taltech.com/blog/post/tal_breakout_software_freeware
>
>
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On=20
> Behalf Of Harold Hallikainen
> Sent: Thursday, October 01, 2020 15:04
> To: Microcontroller discussion list - Public. <piclist@mit.edu>
> Subject: Re: [EE] RS-485 analyzer/sniffer?
>
> I've used a logic analyzer like the thech-tools DigiView to watch a=20
> 485 bus directly. No 485 receiver required since one wire or the other=20
> is 5V serial data. Also, RealTerm can capture serial data and display it
in hex.
> I use an FTDI TTL-232R-5V-WE cable to get TTL or similar level data=20
> into a USB comm port.
>
> Harold
>
>
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