ESD protected, 48V, 24W, 500mA is a Gigabit Power-over-Ethernet (PoE) power supply. It provides DC power for PoE-equipped device by “Injecting” DC power through the ethernet cable. It is compatible with Ubiquiti and MikroTik RouterBoard, AP’s and other equipment supporting the standard PoE pinout. DC Grounded. AC cord with ground wire included.