Clarifying misperceptions about Power over Ethernet and cable losses

Misperceptions about the cable losses in PoE are rampant, and the often-misinterpreted maximum-allowed loss numbers from the IEEE 802.3-215 standard contribute to the misunderstanding. Correctly assessing cable losses in PoE demands a better understanding of the mechanics of PoE and the language of the IEEE 802.3 standard. Power losses in PoE are significantly lower than perceived.

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Categories: Fiber, SCN

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