Looking for a Motorola Universal Data Systems 212A/D manual
mbbrutman at brutman.com
Mon Dec 16 17:07:00 CST 2019
Brent - thanks! I had found the arcelect site and read the docs on a few
related modems; that gave me some insight. But a lot of what they have is
more primitive that this one, so much of the manuals do not apply.
I opened the case looking for clues and taped to the underside of the lid
was a handwritten note that said "To awaken the UDS 212A/D mode send to UT
capital EN or H Help menu." It was a little cryptic but sending "EN" did
launch me into a menu system that would let me dial or set pre-set phone
numbers for dialing.
At the moment it auto answers and tries to dial, but it won't complete a
connection. My VOIP line might be to blame for that. I'm happy because I
got really lucky with the handwritten note ...
On Mon, Dec 16, 2019 at 2:02 PM Brent Hilpert via cctalk <
cctalk at classiccmp.org> wrote:
> On 2019-Dec-16, at 10:35 AM, Michael Brutman via cctalk wrote:
> > I ran across this modem (circa 1982) and saved it, but I have no idea on
> > how to control it. Bitsavers doesn't seem to have a manual for it.
> > It's a big, blue plastic box and it looks wonderful. There is an array
> > 8 lights and 6 buttons; the HS button enables 1200 bps operation,
> > it is 300 bps. It echoes characters and responds correctly to
> > DataTerminalReady not being asserted, so I think that if I can find the
> > command set it might be functional.
> > It's a little more primitive than my original Hayes 1200 that I first got
> > in 1984. (I'm not expecting a standard command set.) A picture of it
> > be found here:
> > https://photos.app.goo.gl/zWBPimcpZNUch6G28
> These refs might give some clues:
> (Switch configs for a model variation and reference to an "XXXT<CR>"
> escape sequence.)
> (Manuals for related products)
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