13 Dec
2008
13 Dec
'08
2:45 a.m.
Subject: Re: Commodore PET RS-232
From: Fred Cisin <cisin at xenosoft.com>
Date: Fri, 12 Dec 2008 18:22:39 -0800 (PST)
To: "General Discussion: On-Topic and Off-Topic Posts" <cctalk at
classiccmp.org>
On Fri, 12 Dec 2008, Dave Caroline wrote:
DEC had boards like that for going from TTL to RS232 as modules and
for current loop (TTY) to RS232 or the other way around. There were
a lot of "things" that often had oddball interfaces like Ham radio
tranceivers that could be driven by computer but only had serial TTL.
Allison
should be a way/was a way to use the 6522 VIA
chip it will need
translation to rs232 levels though
Does anybody here remember a thread from last month called:
Re: RS232 voltage level converter box
(trying to figure out what a board with 1488s and 1489s was for)