POE port = 4 5-pin positive pole 7 8-pin negative pole 1 2 3 6-pin data. POE Port: Connect Bridge AP CPE device WAN interface (use with POE separation line) LAN port = 1 2 3 6-pin data. LAN port: Connect to a router Switch or directly connect to the host computer network interface. DC socket: outside -5.5mm * within +2.1 mm / outside -0.22 inch * within + 0.08 inch. Product Operating Voltage 12-48V Simple network setup on top of plug-and-play connectivity with web-based user interface. Used for wireless AP,Security CCTV IP camera,IP telephone,wireless bridge,IP print server etc. Specification: Size170 * 60 * 30 mm/ 6.69 * 2.36 * 1.18 inch Package Includes: 2 Pieces Poe Power Separator Note: Note: Product Operating Voltage 12-48V The green terminal and DC power supply voltage are connected. Due to manual measurements, the measurement result may have a difference of 10mm.