TFC-1000S40D5 (Version C1.1R) Intelligent 1000Base-T to 1000Base-LX Dual Wavelength Single Mode SC Fiber (40 km / 24.85 miles) Datasheet Manual Firmware FeaturesMust use with TFC-1000S40D3SC-type dual-wavelength single-mode fiber port connects over distances of up to 40 km (24.85 miles)1000Base-T Gigabit copper port supports Full-Duplex modeSupports port level SNMP managementFunctions as a stand alone converter or with the TFC-1600 fiber chassisLifetime Warranty*