It had to happen. Power over Ethernet (PoE), once viewed as simply an alternative to powering every electronic device in a worker’s cubicle with inefficient “wall-wart” power adapters, but limited to trivial power levels, has matured into a technology capable of delivering 50 and 60 W or more via the same CAT-5 cables that bring the Internet to those cubicles. Driving the technology are applications that few envisioned...
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