What’s the difference between the IEEE802.3af PoE, IEEE802.3at PoE+, IEEE802.3bt PoE++
With the large-scale expansion of PoE-powered smart IoT networks worldwide, more and more high-power-consuming devices have emerged. PoE technical standards like IEEE 802.3af/at are only applicable to low-power devices that provide up to 30W of power via Ethernet, which limits the available power of smart network devices. The latest PoE