ColinB Posted March 28, 2023 Share Posted March 28, 2023 This is for information only. I just received my new Hornby Dublo Sir Nigel Gresley. Having searched all over the box and the fitting instructions I could not find what DCC decoder it needed. Normally you would assume 8 pin but during the transition period it could be 21 pins. The diagram in the instructions looks like a 21 pin one. Anyway in the end the only way to find out was to open it up. Amazingly it still is an 8 pin but the DCC printed circuit board is a new type, much larger, more on the lines of their 21 pin one with the 8 pin connector at the back. Much nicer design, much better layed out. Link to comment Share on other sites More sharing options...
Fishmanoz Posted March 29, 2023 Share Posted March 29, 2023 Colin, if you look up the Hornby Dublo locos in the shop and scroll down to the Tech Specs, they all say DCC Ready, 8-pin socket. Link to comment Share on other sites More sharing options...
ColinB Posted March 30, 2023 Author Share Posted March 30, 2023 Yes, Fishmanoz I know from the earlier thread. Like the original poster, I didn't bother searching. It should be on the box or in the instructions. Previously you didn't need to bother as they were all 8 pin, but at this present time it is. Fortunately on an A4 it is incredibly easy to get to the DCC socket. The thing that is quite interesting is they have redesigned the 8 pin socket, why bother it is the same shape as the 21 pin. Why not fit the 21 pin PCB, the connections to the loco are exactly the same. They obviously have their reasons. Link to comment Share on other sites More sharing options...
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