... dual fiber ports, connector ST/SC/FC, Max Rate data: 500K.Ci-af110-SSingle mode fiber, transmission distance: 20KM, single fiber ... port, connector ST/SC/FC, Max Rate data: 500K.Ci-af120-SSingle mode fiber, dual fiber ports, transmission distance ... 20KM, connector ST/SC/FC, Max Rate data: 500K. Industrial Fieldbus CANBus to fiber optic converters/repeaters CI-AF110