Ahh yes i can see now 9-11-7 are linked, that whole row of 9 terminals will be the common connected to the power supply. The orange core, bottom right is linked so either button opens the door. The white/green is the call (buzzer) and the rx & tx are 1 & 2.
Only connect to those 5 terminals ! You can see two of the colours( orange, green/white) its luck with the other three
Only connect to those 5 terminals ! You can see two of the colours( orange, green/white) its luck with the other three