S-110P-S1SC20U-XT - 10/100Base-TX Industrial Temperature Media Rate Converter with PoE Power Sourcing: 10/100Base-TX (RJ-45) [100 m/328 ft.] to 100Base-BX 1310nm TX / 1550nm RX single strand fiber, single mode (SC) [20 km/12.4 miles]. Extended Temperature, terminal block power connector for external power source.