SR-1110-SC10-XT - 10/100/1000 Industrial Media Rate Converter: 10/100/1000BASE-T (RJ-45) [100 m/328 ft] to 1000BASE-LX/LH 1310 nm single mode (SC) [10 km/6.2 miles] , -40F to +167F (-40C to +75C) extended operating temperature support. DIN Rail case, terminal block (Combicon) power connector for external power source .