[PLUG-TALK] ultra low cost network for personal computers

[Paul Mullen]

On Tue, Aug 19, 2014 at 12:02:02PM -0700, Larry Brigman wrote:
> On Tue, Aug 19, 2014 at 11:41 AM, Michael Rasmussen <michael at jamhome.us>
> wrote:
> 
> > Well maybe not anymore, what with the lack of serial ports on
> > modern machines.
> >
> > http://archive.org/stream/byte-magazine-1981-10/1981_10_BYTE_06-10_Local_Networks#page/n51/mode/2up
> >
> > Byte Magazine October 1981.
> > "But with as little as one diode per port, two resistors for the
> > ends and a 12-volt source you can turn RS-232 into ULCNET, the
> > Ultra-Low_Cost Network."
>
> Isn't this what Apple used as a model for their Apple Talk networks using
> phone cables?

One of the available physical implementations of AppleTalk was called
LocalTalk, which operated over the Mac's built-in RS-422 port.  It was
handy to have it there, but awfully slow.  Ten megabit Ethernet was
the hot ticket back then.

    https://en.wikipedia.org/wiki/Localtalk


-- 
Paul Mullen