iMcV-Giga-MediaLinX Gigabit Ethernet Media Converter provide a switching media conversion between 10/100/1000 Mbps twisted pair networks and 1000 Mbps multi-mode or single-mode fiber. Giga-MediaLinX modules is the most versatile in the industry, featuring seamless Auto Negotiation between three Ethernet speeds on the UTP port, and the ability to force speed and duplex via software or hardware settings.