It doesn't actually get rid of warts, but it does eliminate the need for them. Wall warts are power plugs that power various low-voltage devices. These devices allow 12V routers, IP cameras, etc. to be used as POE (Power Over Ethernet) devices, allowing them to be installed in locations where standard power outlets are not necessarily available. These devices combined with a network switch with POE output ports are an excellent combination for non-POE devices.
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