2 RJ45 interfaces: 1-port PoE Power + Data input; 1-port Data output. 1 x DC out plug connector. Complies with IEEE 802.3at Power over Ethernet Plus PD. Splits the 52~56V DC power over RJ45 Ethernet cable into 12V/24V DC output. Up to 1 non-IEEE 802.3at device powered. Auto detects IEEE 802.3at PoE compliant device, protects devices from being damaged by incorrect installation. Adjustable two different output voltage options (12V, 2A; 24V, 1A) to fit various devices. Distance up to 100 meters. IEEE 802.3af PoE injector devices compatible.