2 points
That’s not the argument, you are saying it’s impossible to build a device that has input but no output to the same system. I’m saying you are wrong.
1 point
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Sure, I’m wrong about something that wasn’t even the argument and I already clarified is possible, technically, but completely impractical for the application and does not exist.
By all means, send me the part number of a read-only connector. That would probably be very useful ti my work.