The Eaton Tripplite T020-001-LC9 is an FC to LC 9/125 adapter designed for use with multi-function optical fiber cable testers. This component facilitates the connection between an FC interface on a tester and an LC 9/125 single-mode fiber optic cable, enabling technicians to accurately inspect and test fiber optic infrastructure. It addresses the common challenge of interfacing different connector types during network deployment, maintenance, or troubleshooting. Its primary function is to ensure compatibility between testing equipment and the installed fiber, streamlining diagnostic processes and minimizing potential downtime.