Commodore PET RS-232

[Allison]

>
>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:
>> 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)
>

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