Re: [opendiag] Schematic

I am not an electronics guru, but know enough that I can build
one if I had schematics and a parts list. Hopefully you can get
yours built. I'm also confident that in the not too distance future,
this stuff will be inexpensive to get a hold of.
-----Original Message-----
From: Jeff Noxon <jeff-opendiag@...>
To: opendiag@egroups.com <opendiag@egroups.com>
Date: Thursday, April 20, 2000 1:06 PM
Subject: 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
>
>------------------------------------------------------------------------
>INSTANT RESEARCH. Check out Hoover's Online: Info on 50,000+
>companies, 300 industries, IPO coverage, stock information &
>more. Click here!
>http://click.egroups.com/1/3410/6/_/834286/_/956253972/
>------------------------------------------------------------------------
>
>To unsubscribe from this group, send an email to:
>opendiag-unsubscribe@onelist.com
>
>
>

 
Received on Thu Apr 20 13:11:09 2000