Black Box LMC009A-R5 - Compact MC 10MBPS with Internal PS UTP/BN

This BLACK BOX« Miniature Media Converter makes it easy to bring fiber to the desktop. Just connect it 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 this tiny converter unobtrusively behind your PC.

The converter not only links 10- and 100-Mbps segments to fiber cabling it also works as a data rate converter performing 10/100 autonegotiation on the twisted-pair port.