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Home » Applications & Technologies » Industrial Application - Power Over Ethernet
Applications & Technologies

Industrial Application - Power Over Ethernet

Power over Ethernet (PoE) is the delivery of DC power along with data over short distances of Ethernet unshielded, twisted-pair cables and has evolved from proprietary solutions to inclusion in the IEEE802.3af standard of 2003, and again in IEEE802.3at of 2009 for PoE+. Ethernet data transmission requires two of the four available pairs in standard Cat5e/6 cabling. PoE can deliver power either over the remaining two spare pairs, over the data transmission lines by using signal transformers, or via both methods together for maximum wattage (PoE+). Via PoE, DC power is delivered to devices that are located near Ethernet cables, but where additional standard AC lines are either not possible or not convenient.

This design is for reference only. The design, as well as the products suggested, has not been tested for compatibility or interoperability.