Es igual, a qué enchufe vienen los cables del control remoto. Se tiene que superar sólo el pulsador del control remoto. Pruébalo simplemente.
I hope you know what I wanted to say It's not important which cable is connected to which socket. It's only important to use for example for the DCC-button pin 2 and 3 because these pins work together as a button. Just try it.