I am guessing the e7d is SeatalkNG but the i40 is Seatalk. At least with my SPX/5 and firmware level there was no conversion between Seatalk and SeatalkNG.
The converter was easy to install, though it would have been easier if I knew I needed it and hadn't dressed and tied all the cabling first. In my setup I did not connect the power lead between the Seatalk bus and the converter. Michael Brown Windburn C&C 30-1 Date: Thu, 13 Aug 2015 17:30:03 -0400 From: PME <dre...@gmail.com> To: CnClist <cnc-list@cnc-list.com>, Michael Brown <m...@tkg.ca> Subject: Re: Stus-List Electronics upgrade-> SPX-5 with Seatalk and SeatalkNG Message-ID: <0e4d6c86-8083-4cc4-a6c4-17d20642e...@gmail.com> Content-Type: text/plain; charset="us-ascii" Mike, I think I read the same Ray documentation which seemed to show that one could connect Seatalk and SeatalkNG devices via the SPX-5 controller. I installed my i40 speed system with Seatalk connector wired to the Seatalk ports on the SPX-5. It powers the i40 system, and the speed display works fine. I am planning on connecting the SPX-5 to my Raymarine e7d via SeatalkNG, and I was hoping the speed data would be sent to the e7d too. But it sounds like this does not work? Bummer! I guess I will need to use a Seatalk to SeatalknNG converter. - Paul E. 1981 C&C Landfall 38 S/V Johanna Rose Carrabelle, FL
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