... /SC/FC (optional), Rate data: 0-10M.Ci-sf120-MMultimode fiber 2KM, dual fiber ports, connector ST/SC/FC (optional), Rate data: 0 ... /FC (optional), Rate data: 0-10M.Ci-sf120-SSingle mode fiber, dual fiber ports, transmission distance 20KM, connector ST/SC/FC, Rate data ...