Black Box Pure Networking 10/100 Media Converter - 1 x Network (RJ-45) - 1 x SC Ports - DuplexSC Port - Single-mode - Fast Ethernet - 10/100Base-T, 100Base-FX - Desktop, Rack-mountable LHC202A-UK

Extend your network up to 20 kilometers over fibre. Basic Layer 1 media conversion at a value price. Converts 10BASE-T/100BASE-TX to 100-Mbps fiber. Use in pairs to extend your network up to 20 kilometers. Transparent to data. Simple plug-and-play installation. Use as a standalone media converter or in a convenient 14-Slot Rackmount Chassis (LHC200A-RACK). Diagnostic LEDs for troubleshooting. Link-fault passthrough alerts you to "silent failures" on the fiber side. The UTP port is autonegotiating for speed and duplex and features MDI/MDI-X.