When the link has to travel farther than copper or short-reach optics can support, this media converter gives you a direct path to 10 GbE over long-haul fiber. The Axiom MC10-S5L40-AX converts RJ45 Ethernet to 10GBASE-ER with LC connectivity, aligning the edge device to a fiber run built for distance. That matters in enterprise environments where backbone segments, campus interconnects, and remote aggregation points need stable 10 Gigabit transport without redesigning the entire access layer. Instead of replacing the copper endpoint, you convert the interface and extend the network over the fiber plant already in place. The result is a focused piece of infrastructure: one side for RJ45, one side for LC fiber, and optics specified for extended reach. For teams balancing performance, distance, and deployment simplicity, this model is a practical way to preserve 10 GbE connectivity where long runs justify a dedicated conversion point.