S-1110DHP-SC20D – Gigabit Media and Rate Converter with Type 4 High-Power PoE PSE (up to 100W/port): Dual 10/100/1000Base-T (RJ45) [100 m/328 ft] to 1000Base-BX 1490nm TX / 1310nm RX single strand fiber, single mode (SC) [20 km/12.4 miles]. Includes AC Power Adapter