... 850nm,1310 nm,1550nm Fiber type: multi mode 50/125 rs485 to fiber optic converterP/N ... (optional), Rate data: 0-10M.PcsCi-sf110-SSingle mode fiber, transmission distance: 20KM, single fiber port, ... optional), Rate data: 0-10M.PcsCi-sf120-SSingle mode fiber, dual fiber ports, transmission distance 20KM, ... .Pcs Rs232/485/422 to Fiber Optic Converter with two optical ports support daisy chain link Ci-sf110 ...