Re: [opendiag] Schematic

On Thu, Apr 20, 2000 at 12:25:30PM -0500, Jeff Noxon wrote:
> Does anyone have a cleaner schematic of the RS-232 to L/K diagnostic
> interface?
>
> I follow the one on the web site for the most part, but a few things
> confuse me.

In particular, what is the value of the Zener?

Also, why no current limiting resistors on the input to the optoisolators?
Is it limited already?

I guess the rest makes sense. I'd like to breadboard this over the weekend
if I get a chance.

Thanks in advance for any help

Jeff

 
Received on Thu Apr 20 11:06:11 2000