Black Box Multi-Power Miniature Media Converter - fiber media converter - 10Mb LAN, 100Mb LAN

Bring fiber to the desktop more conveniently and at a lower cost than installing fiber NICs. Black Box Multipower Miniature Media Converters make it easy to bring fiber to the desktop. Just connect a Miniature Media Converter to your PC's copper port with a CAT5 cable, then connect a fiber cable to the converter's other side. That's all there is to it! Best of all, you can tuck these tiny converters unobtrusively behind your PC. The converters not only link 10- and 100-Mbps segments to fiber cabling, they also work as data rate converters, performing 10/100 autonegotiation on the twisted-pair port.