Keep 10/100 Mbps networks alive where fiber distance matters. Black Box LHC212A converts 10/100 Mbps copper to 10/100 Mbps single-mode fiber, giving you a practical path to extend legacy Ethernet beyond the limits of twisted-pair cabling. It is built for environments where replacing endpoints is not justified, but link stability and distance still matter. This converter is a strong fit for distributed facilities, older access layers, and point-to-point runs that need to cross longer spans without introducing a full network refresh. By translating Fast Ethernet to single-mode fiber, it helps preserve existing switches, controllers, and edge devices while moving traffic over a medium better suited to distance and electrical isolation. For procurement teams, the value is straightforward: extend service life, reduce rip-and-replace costs, and keep critical links operational with a purpose-built media conversion layer. For infrastructure teams, it provides a clean bridge between copper and fiber where reliability and reach are more important than chasing higher bandwidth on every segment.