OPTONE Optical Fiber Converter is a kind of external power Converter with the function of photo electricity switchover between 10BASE-TX or 100BASE-TX and 100BASE-FX. It can extend the conventional 10M Ethernet or 100M Quick Ethernet to 120KM via the quick Ethernet Fiber-optical Line. The stable and reliable switch supply enables long-term opera tion and makes it convenient to replace the power supply. full-duplex and half-duplex communication. The configuration of DTE and MPR functions makes it convenient to connect the similar products