The pinout od the DIN socket of the US/CAN version of the Telic-Acatel Minitel 1B is different.
PIN 1 : RS232C RX
PIN 2 : Uknown
PIN 3 GND
PIN 4 Unknown
PIN 5 RS232C TX
PIN 6 RS232C DTR
Serial WiFi Modem for Minitel Using ESP8266
Largely based on Richard Bettridge's Vintage Computer WiFi Modem
See https://github.com/ssshake/vintage-computer-wifi-modem
MAX3232 Adapter board based on Richard Bettridge desing.
Thanks to Éric Sérandour for the Minitel1B_Hard library (https://github.com/eserandour/Minitel1B_Hard)
Thank to Louis H. (https://github.com/iodeo) and Hervé Warin (https://github.com/64rulez) for their help!
I added Websocket dialing support for Minitel services along with some Minitel related features.