Serial port (/dev/ttySX) question.

[Les]

On Fri, 2010-01-29 at 23:19 -0500, Gene Heskett wrote:
> Greetings all;
> 
> rs-232 tech is getting old, like me.
> 
> Do we have a tool that can display graphically in near real time, the status 
> of the commonly used wires/signals in the '7 wire' protocol?
> 
> I need something that works a bit like the old db25 tester with a bunch of 
> LED's to tally the line states like that gismo Radio Shack sold 20 years ago.
> Those blinking leds were a very good troubleshooting tool, and I'm having 
> flow control problems that look like a system freeze on one end or the other, 
> but when rz times out, I still get a prompt from the shell on the other end, 
> but nothing I type here arrives there, like hardware flow is still in effect 
> and turned off on one end or the other.
> 
> Thanks All for any hints.
> 
> -- 
> Cheers, Gene
> "There are four boxes to be used in defense of liberty:
>  soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> 
> There's no future in time travel.
It sounds like what  you want is a "breakout box".  Here is a link to
one:
http://www.topmicrousa.com/break-1.html

There are others, but this should help you find what you want.
Regards,
Les H