![]() ![]() However, it is the designer’s responsibility to ensure that their product meets the IEEE802.3at or af standards before they can be sold as “PoE-complaint” products. Many silicon vendors offer a range of integrated buck DC-to-DC LED drivers with wide voltage-input ranges that are suitable for the power supplies of PoE-connected LED lights. Moreover, because the design doesn’t require the relatively inefficient rectification and initial voltage step-down stage, the power supply for the LED light can be made smaller, less complex, cheaper, and more efficient. ![]() For the designer of retrofit LED lights, offering a PoE version of their product is a promising route for increasing sales. Not only can the lights simply be plugged in to an RJ45 connector socket but also the information-carrying capability of the network adds intelligence without the added expense and complexity of wireless connectivity. ![]() Because the infrastructure is already in place considerable saving can be made on wiring and professional labor. ![]()
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