Antaira Technologies FCS-2312WB-S4 is a managed, WDM, single-mode 10/100 Ethernet media converter. The FCS-2312WB-S4 can convert between 10/100TX copper to 100FX fiber. The FCS-2312WB-S4 has a standard singe strand SC fiber connector as well as the STP-RJ45 Ethernet connector. The copper media converter is fully compliant with IEEE 802.3 10BaseT and 802.3u 100BaseTX/FX standards. The industrial media converter features LED diagnostics for Power, TP Link/ACT and Fiber Link/ACT. The FCS-2312WB-S4 fast Ethernet media converter will use WDM single mode TX1550nm - RX1310nm fiber with a SC connector. The FCS-2312WB-S4 is capable of communication up to 40 kilometers.