Keep Fast Ethernet devices connected as your network moves between copper and fiber. The TRENDnet TFC-FMSC converts 100Base-T to 100Base-FX over multimode fiber, giving teams a direct way to bridge legacy copper equipment into fiber segments without replacing functional hardware. This type of converter is valuable in environments where access switches, industrial devices, or older endpoints still speak copper, but the upstream path has moved to fiber. By translating the media rather than the entire network layer, it helps preserve installed assets and reduce unnecessary refresh costs. The result is a practical transition point for branch networks, equipment rooms, and mixed-media closets. It supports a cleaner migration strategy, keeps Fast Ethernet endpoints in service, and avoids the overhead of larger infrastructure changes when only the physical medium needs to change.