As Ethernet transmission speeds increased, the IEEE recognized the need for additional options to sup-port lower-speed transmission rates for specific applications and environments.
As a result, the most recent addition to the IEEE Std 802.3 standard is the IEEE Std 802.3cg-2019 amendment specifying 10-Mbit/sec transmission over single balanced twisted-pair copper ca-bling. While initially targeted at industrial and automotive environments, there are also opportunities for building automation functions. This article will examine the network architecture and use cases made possible by the application of this new technology in support of published SPE standards.
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