Eight IEEE Single-Pair Ethernet (SPE) standards exist, and a ninth is expected to be announced next year. Current standards include 802.3bw (100BASE-T1), two types of 802.3bp (1000BASE-T1), 802.3ch (10BASE-T1) optimized for automated environments, three versions of 802.3cg (10BASE-T1S, 10BASE-T1L, and 10BASE-T1M), and the 802.3da single-pair multidrop segments enhancement standard approved in 2023. This article reviews […]