Subject: Re: Behavior of DTR changed between 1.3.3 and 1.4.1???
To: Dave McGuire <firstname.lastname@example.org>
From: Jukka Marin <email@example.com>
Date: 10/04/1999 21:13:27
On Mon, Oct 04, 1999 at 01:55:30PM -0400, Dave McGuire wrote:
> >> Indeed what it all boils down to is that a logic "1" value is
> >> represented by a voltage between +3 and +25 VDC, and a logic "0"
> >> value is represented by a voltage between -3 and -25 VDC.
> Umm, I believe those levels are inverted. A "1" is represented by the
> negative voltage, and a "0" was represented by the positive. That stuck in my
> mind from way back because it's...well, inverted. :-)