Traincliff Posted November 25, 2017 Share Posted November 25, 2017 Hi all. Have done a bit of a search but not come up with what I am looking for. Is there a diagram showing the 21 pin plug connections on a Sapphire decoder? There is not one on the instruction leaflet. Is it standard-can I use the one in the DCC.concepts literature for example? Reason you may ask and that is that all the wires came off the 2 plugs I have and I now have a very nice 21 pin adaptor plug that has nice solder tags to connect to.Help as ever gratefully received.Cliff Link to comment Share on other sites More sharing options...
Chrissaf Posted November 25, 2017 Share Posted November 25, 2017 The 21 pins should be compliant with the 21MTC standard..See Section 2.3 in this document:https://www.nmra.org/sites/default/files/standards/sandrp/pdf/s-9.1.1_connectors_2015.05.22.pdf.See alsoThis Google search page Link to comment Share on other sites More sharing options...
Fishmanoz Posted November 25, 2017 Share Posted November 25, 2017 Further to Chris’s it is a standard so the DCC Concepts one will be correct. Then also check out Brian Lambert’s site by googling him and look at his DCC pages where he gives you the layout for a range of standard connectors. Link to comment Share on other sites More sharing options...
Traincliff Posted November 25, 2017 Author Share Posted November 25, 2017 Thanks fellas. I just had a nagging thought that Hornby might have done something different but then as the Sapphire is NMRA certified it will comply - I hope! I will check the other resources you mention in case they are clearer than the DCC Concepts one I have. Sorry I posted twice AGAIN! Impatience on my part with this mobile.Cliff Link to comment Share on other sites More sharing options...
96RAF Posted November 26, 2017 Share Posted November 26, 2017 I have a Sapphire in front of me and with the decoder on the right and the adaptor plug on top the colours run thus from top to bottom per the photo.Purple, Green, White, Yellow, Blue, Grey, Orange, Black, Red. The 8 pin plug is per standard NMRA colour scheme. /media/tinymce_upload/ae20696394a2e5e3bde5438e7b414d9d.jpg Rob Link to comment Share on other sites More sharing options...
Traincliff Posted November 26, 2017 Author Share Posted November 26, 2017 I have a Sapphire in front of me and with the decoder on the right and the adaptor plug on top the colours run thus from top to bottom per the photo.Purple, Green, White, Yellow, Blue, Grey, Orange, Black, Red. The 8 pin plug is per standard NMRA colour scheme. /media/tinymce_upload/ae20696394a2e5e3bde5438e7b414d9d.jpg RobRob. That is a very useful picture from which I will now be able to also rewire the 2 damaged plugs I have. Many thanks for that. I have also done the google searches suggested and they have shown me all I need for the 21 pin plug connections.Wow! Great help as ever.Cliff Link to comment Share on other sites More sharing options...
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