10/100/1000 Industrial Temperature Media Converter. Single SC, 10km, 10/100/1000BASE-T (RJ-45) [100 m/328 ft.] to 1000BASEBX 1310nm TX / 1490nm RX single strand fiber, single mode (SC) [10 km/6.2 miles]. Extended Temperature, terminal block power connector for external power source. Perle's Industrial Temperature Media Converters transparently connect copper to fiber in locations that are exposed to harsh extended temperatures of -40F to 167F ( -40C to 75C ).