2019 is big year for Power over Ethernet (PoE). This system for delivering power and data over twisted pair cabling is getting a big boost from the late 2018 release of the IEEE 802.3bt standard, defining PoE over four pairs instead of two. This change means PoE will be able to support more devices that require higher power. For this reason — along with the rise of the Internet of Things — more than 700 million PoE-enabled Ethernet switch ports and 280 million PoE devices are expected to ship in the next five years, according to market research firm Dell’Oro.
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