2-Port RJ-45 interface: 1-Port Data + Power output; 1-Port Data input. DC 52~56V input power socket. Ultra Power over Ethernet End-Span/Mid-Span PSE. IEEE 802.3at/af PoE standard compliant. Compatible with All IEEE 802.3at/af powered devices. Supports 56VDC, 60-watt PoE power output at maximum. Auto-detection of PoE IEEE 802.3at/af equipment and device for possible damage by incorrect installation. Automatic detection and protection of non–standard Ethernet terminals. Remote power feeding up to 100 meters.