Additionally many Japanese systems had this board including many SCPH-3000, SCPH-3500, and SCPH-5000’s. Above are two installation diagrams for two different versions of the PU-8. The easiest way to ...

Apparently there were only around 10,000 of these made, and they were primarily in Hong Kong. So they’re fairly rare. Because of this I can’t find any PsNee installation diagrams for the system. Based ...

[Mark] and [Ben] at The Serial Port YouTube channel are taking a deep dive into the twisted history of Ethernet on twisted pair wiring. The earliest forms of Ethernet used RG-8 style coaxial cable.