... DescriptionCi-sf110-MMultimode fiber 2KM, one fiber port, connector ST/SC/FC (optional), Rate data: 0-10M. ... Ci-sf120-MMultimode fiber 2KM, dual fiber ports, connector ST/SC/FC (optional), Rate data: 0-10M ... mode fiber, transmission distance: 20KM, single fiber port, connector ST/SC/FC (optional), Rate data: 0-10M ... distance 20KM, connector ST/SC/FC, Rate data: 0-10M. RS-485/232/422 serial to Fiber Optic ...