what is this NCR modem? what did it go to?

[Warner Losh]

On Mon, Nov 27, 2017 at 12:54 PM, Chuck Guzis via cctalk <
cctalk at classiccmp.org> wrote:

> On 11/27/2017 11:15 AM, Alan Frisbie via cctalk wrote:
>
> > Back in those days you could not connect anything directly to the
> telephone
> > lines -- you had to use the telco-supplied DAA (kaching!) or an acoustic
> > coupler.   I don't know if this modem can be connected directly to a
> phone
> > line without a DAA.
> >
> > I think the asking price is totally unrealistic unless you are a rabid
> > collector of NCR gear.
>
> This particular unit seems to have a Mickey-mouse type of
> coupler--receiver and transmitter connected by a cord.  I never did
> figure out how one was supposed to use this with, say, a Trimline phone.
>  I guess the answer was "you don't").
>

You don't. Acoustic Coupled modems were always the standard handset or
nothing.

Warner