Hello?

I've been using m/fbus cables in 5110, 6110, and 3210 in my PC.
Now I bought that to 8210. But I can't get it to work.
I've managed to use flasher cable though to the same 8210 and it works. The m/fbus cable should work becouse it is new, i've tried also another m/fbus cable but it doesn't work either.
Even logomanager doesn't recognize it, whether i put it from the program to f or mbus cable.

I think that i can put cable to the 8210 to the right way. There is 4 pins in the thing and 2 screws, they're propably ment to fit to the holes in the 8210. But if the flasher cable with 3 pins works, why these 2 cables don't. Can't I possibly put it right way?
I keep trying it though. But i've tried to put little power to cable head without result. ???????

Happy easter to everybody!