I suppose anything that takes the place of a modem, but neither modulates nor demodulates would be a null modem. :)
On Mon, Sep 21, 2020, 11:59 Jonathan Yuen <jonathan.y...@slu.se> wrote: > Hello, > > This is really not an M100 thing but I need to connect two pieces of > equipment together that are both wired as DCE. I've bought two DB-9 plugs > (male) that I'll wire together and I've already tested crossing 2 and 3 (2 > goes to 3, 3 goes to 2) and 5 (gnd) is straight across and that works > without any handshaking. Doesn't matter right now since one of these is a > TTL to RS-232 level shifter and it only has Rx, Tx, and Gnd. > > I've been thinking about this and this is (technically) not a null-modem > since that is what you use to connect two DTE things together. I sort of > thought it should be called a null-terminal but I've never heard anyone use > that term. > > That said, I could only think that the other wiring should be same as a > null modem, but I thought that I should air my thoughts to see what other > people think. > > Any thoughts? > > Jonathan > > jonathan.y...@mykopat.slu.se > --- > När du skickar e-post till SLU så innebär detta att SLU behandlar dina > personuppgifter. För att läsa mer om hur detta går till, klicka här < > https://www.slu.se/om-slu/kontakta-slu/personuppgifter/> > E-mailing SLU will result in SLU processing your personal data. For more > information on how this is done, click here < > https://www.slu.se/en/about-slu/contact-slu/personal-data/> >
