For instance, network switches typically feature SFP and RJ45 ports, which differ in several respects besides their pinout. So, here’s a quick breakdown of RJ45 and SFP interfaces to help you ...

While the pinouts were consistent ... Back in 1987 [Dave Yost] formalized an interconnection scheme using RJ45 plugs and jacks while at Berkeley. The signals were arranged in a mirrored fashion ...