When a copper Ethernet link cannot cover the distance, this media converter gives you a direct path to singlemode fiber. The Eaton N784-001-SC-15 converts 10/100 UTP to singlemode fiber with RJ-45 on the copper side and SC on the fiber side, supporting links up to 15 km. That makes it useful anywhere you need to carry Ethernet farther without redesigning the entire access layer: between buildings, across utility spaces, or into remote equipment locations where fiber is already the right medium. Singlemode support gives you the reach advantage that short-range copper converters cannot match. For procurement teams, the appeal is in the specificity. This is not a general-purpose networking box; it is a targeted conversion point for extending 10/100 Ethernet over singlemode fiber with the connector set and distance budget that fit real infrastructure constraints. It helps preserve existing endpoints while opening a cleaner path to longer, more stable links.