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Title: Bachmann Spectrum Acela HHP-8 Decoder Install
Post by: pfdchief on December 30, 2025, 02:57:50 PM

I received a Digitrax DH127PS Decoder. I removed the jumpers,and trying to find Pin 1 on the plug board. I don't see a 1 on the green circuit board. How to identify Pin 1?

Thanks,
Alan

Title: Re: Bachmann Spectrum Acela HHP-8 Decoder Install
Post by: Len on December 30, 2025, 04:39:26 PM

If you place the chassis with the "TRACK - PAN" switch towards you, pin 1 should be the left most pin on the side closest to the switch. If it's not marked with a '1', look for a dot or triangle near it.

Len

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Discussion Boards => General Discussion => Topic started by: pfdchief on December 30, 2025, 02:57:50 PM