Lantronix SBFTF1011-105-LA — Media Converter Transition Networks 10/100BTX to 100BFX

Maintain service on legacy copper segments while moving traffic onto fiber. The Transition Networks SBFTF1011-105-LA converts 10/100BTX Ethernet to 100BFX, giving infrastructure teams a direct path from copper endpoints to multimode fiber links without replacing every attached device. Its 1x9 optical interface with ST multimode connectivity is well suited to established fiber plants and older network environments where compatibility matters. The 3.3 V design reflects a hardware profile intended for specific embedded or legacy deployments, making it useful when you need to preserve existing architecture rather than redesign around newer transceiver formats. This is the kind of converter that earns its place in a network by solving a narrow, expensive problem cleanly: extending reach, reducing electrical interference, and bridging older copper equipment into fiber-connected segments. For teams managing mixed generations of infrastructure, that precision can be more valuable than a broader, more complex platform.