When it comes to Single Pair Ethernet (SPE) in factory automation, it may seem as if SPE isn’t moving as quickly as many thought it would. Despite numerous discussions within the Single Pair Ethernet (SPE) Consortium and among industrial organizations, it’s getting a slow start in plant environments.

As its name suggests, Single Pair Ethernet (SPE) cabling uses only one pair of wires to transmit data, as opposed to the two pair that have long been standard in the majority of Ethernet cabling in use worldwide.