HSGQ EFiber 5500M 10/100Mbps RJ45 LAN to Fiber Optic Multi-Mode Duplex Fiber Convertors (2-Pack)
Manufactuer's product descriptions: 10/100 Multi-Mode Duplex Fiber Media Converter Ihe 10/100M fast self adapting Ethernet fiber-optical receiver is designed to complete the optoelectronic swithching from 10100Base