IIRC, all the minitels above and including the 1B had a serial port, but it was through a DIN connector. We were using that to test our "site" by feeding it dir

IIRC, all the minitels above and including the 1B had a serial port, but it was through a DIN connector. We were using that to test our "site" by feeding it directly from a PC. I'm not sure the Minitel 1 had one.