PoE Resurfaces, at Danish Office Building by Mark Halper - Energy Watch News

PoE Resurfaces, at Danish Office Building by Mark Halper

Working with Cisco, Philips Lighting heralds a new Copenhagen office building as a Nordic first. As we’ve pointed out before, with all the talk about wireless LED lighting networks such as Bluetooth Mesh, it’s easy to forget that wires can also turn lights into intelligent data systems. Philips Lighting has served up another reminder of the possibility, announcing a 400-luminaire “smart office” installation in Denmark using Power over Ethernet (PoE). The two-story building in the Copenhagen municipality of Albertslund comes straight out of the PoE textbook, as it is a new build. Smart lighting economics says that PoE makes more sense when buildings are first constructed than in a retrofit, which would entail costly ripping out of existing infrastructure, and where wireless can be the more prudent way to go. Power over Ethernet carries low-voltage electricity — which is all that LEDs require — over the same Ethernet cable that transports data around a company’s computer networks. As such, it eliminates many of the costs associated with conventional electrical wiring.  The Ethernet cables also transport data to the luminaires, which can serve a multitude of purposes in addition to lighting control. http://www.ledsmagazine.com/articles/2018/02/poe-resurfaces-at-danish-office-building.html

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