As Yves indicated, you will need to wire all the extra options available with this model. I purchased my Canadian set as DCC, so when I switched over to Railcom last year, I had a friend of mine, who's a retired electronic tech, convert the first batch of my locomotives. For many he fabricated a small pc board for each, so there was the ability to connect all the leads. It's also helpful with the sound units where some have two enclosures. This was true for the getting the features that Rapido is including with their models, and in many cases you need to use the 6-pin plug. So I have the number boards, class lights etc...It does make for a cool running loco.