Fieldbus-to-fiber converters convert fieldbus to fiber with ease, and also feature easy configuration and effortless troubleshooting. Our industrial-grade ICF converters can convert PROFIBUS to fiber, even in harsh environments. CANbus to fiber converter, multi-mode, ST connector, 0 to 60°C. 100BaseFX ports (multi-mode ST connector). DIN-rail mounting. Input Voltage: 12 to 48 VDC.