Keep copper-based devices connected when the run exceeds Ethernet limits. The StarTech MCM110ST2 converts 10Base-T or 100Base-TX Ethernet to 100Base-FX optical signaling, letting you extend links over multimode fiber while maintaining transparent operation at the network edge. That makes it a strong fit for facilities that need to preserve installed copper endpoints, reduce EMI exposure, or bridge between wiring closets and remote equipment. Because it is a media converter rather than a switch, it solves a specific problem with minimal network disruption: move traffic from RJ-45 copper to ST fiber without redesigning the access layer. The result is a cleaner path for point-to-point connectivity in industrial spaces, campus outbuildings, security systems, and other environments where fiber distance and electrical isolation matter more than port density. TAA compliance also makes this model easier to specify for public sector and regulated procurement. For teams balancing budget, compatibility, and deployment speed, it offers a focused way to extend service life for existing Ethernet devices while adding the reach and isolation of fiber.