PDT-11 Virtual Terminal Monitor v1.07

[Jacob Ritorto]

Thanks for the lead, Lee. Hooking up a proper cable with all the signals
got her talking!

On Wed, Mar 2, 2022 at 6:32 PM Lee Gleason via cctalk <cctalk at classiccmp.org>
wrote:

> > and tried looping back pin 2 to pin 3
> >on each serial + modem port and typing some characters, but nothing shows
> >up in vterm.
>
>
>    PDT-11/150 terminal and printer ports ports all require a high on pin
> 20, DTR, before they can send characters.  I've never used the modem
> port on my PDT's but I suspect it requires the typical, pins 6, 8, and
> 20 wired together. Maybe you need to pull some of these pins high to
> loop around?
>
> --
> Lee K. Gleason N5ZMR
> Control-G Consultants
> lee.gleason at comcast.net
>
>