2 RJ45 interfaces: 1-port Data + Power output. 1-port Data input. 1 x DC 52~56V input power socket. 1 PoE mode (standard/legacy) DIP switch. Complies with IEEE 802.3af/at/bt PoE end-span/mid-span PSE. Supports PoE power up to 60 watts for PoE port. Auto-detection of PoE IEEE 802.3af/at/bt equipment and devices from being damaged by incorrect installation. Monitor the status of the total PoE usage in real time. Remote power feeding up to 100m.