View Full Version : Pinout Seatalk2 connector (C120 classic)
Anyone that knows the pinout for the Seatalk2 connector used on the old C-series (see picture below). To connect to a SeatalkNG network, do you need to connect all (power) wires, or is it enough to just connect blue and white (data signals) as the C120 is powered through a separate cable?
You can buy a Seatalk2 to SeatalkNG adaptor cable for a few quid, part number A06048.
I know, except it is not available/in stock here, and I am really not looking for that cable, but for the pinout (although if I had that cable, it would be easy enough to find out the pinout).
The reason I ask is that I believe the C120 service manual could have a misprint, or the pin numbering used for that connector is very strange.
Assuming the pins are numbered
3 2 1
The service manual documents the pinout as:
But when I look at the circuit board it looks like 2 should be GND and 3 should be +12V.
BTW, is it normal that the Seatalk2 diagnostics screen in the C-series displays around 10 packets received/second without anything connected?
Ok I have confirmed the pinout to be
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