poliss
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Hornby decoder wireWhy don't Hornby show on the product pic that there's an intended loose wire on thier decoder. It would save a lot of confusion amongst newcomers. https://www.hornby.com/hornby-dcc...motive-decoder-r8215/product.html
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Teleman
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They hide it well on the picture
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poliss
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I see that accross the pond they have 9 pin plugs so there is no loose wire.
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Teleman
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Anyone know what the extra wire is for ?
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poliss
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It's the 4th function.
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Teleman
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Will the UK one give any output if you tell it to ?
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poliss
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Yep, all the wires work. It's only because we use 8 pin plugs for some reason that theres a loose wire. I can think of how you can use 4 functions, front light, rear light, kadee couplers, and even 5, a fan, but what can you do with the new 21 pin decoders?
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Rog (RJ)
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At the moment, 21 pin decoders can do nothing more than an 8 pin decoder. The 21 pin decoder has been brought in to cater for future expansion, in particular, when used with sound. It has extra pins for speakers, a SUSI interface (whatever that is, Serial User....something or other) and extra motor connections for brushless motors.
There are also 22 pin decoders being introduced
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