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@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.glea...@comcast.net > >
