Single pair Ethernet. That\u2019s right. Ethernet over a single twisted pair, rather than the four you\u2019re used to. Or two if you\u2019ve got a little gray in your beard. Now, single pair Ethernet isn\u2019t fast in the way we network engineers would normally think of fast. SPE runs at 10 megabits per second. But in the use cases SPE was designed for, 10Mbps is very fast indeed. To tell us all about single pair Ethernet is Peter Jones. Although Peter wears many hats in the networking industry, today he comes to the microphone as the chairperson of the Ethernet Alliance.