The FECON-S1X series are 10/100Base-TX copper to 100Base-FX POF (Plastic Optical Fiber) converter. The FECON-S1X includes Ethernet (RJ-45) connectors and SMI (Small Multimedia Interface) POF transceivers.The FECON-S1X series are treated as IEEE 802.3u Fast Ethernet repeaters. The FECON-S1X series are fully compatible for IEEE 802.3u Fast Ethernet data communication standard. Their applications are in any CE devices of the Ethernet home network such as PC and consumer electronic devices