Matthew SparbyFor nearly 5 years, I've been trying to figure out what this adapter is supposed to connect to. It's still a mystery. Someday, the right person is going to see this post and they'll finally solve this puzzle.
Marcus@Cloudscout That looks like a serial port https://www.cs.uaf.edu/~olawlor/ref/mac_ports/index.html If you scroll down you'll see this image
