... mode 50/125 um,62.5/125 um,100/140um;single mode 8.3/125 um,9/125um,10/125um Transmission ... : 0~12M.PcsCi-pf110-SSingle mode fiber, transmission distance: 20KM, single fiber port, connector ST/SC/FC, Rate data: 0~12M ... .Pcs Comark Industrial Fieldbus Repeater Profibus-DP to Fiber Converter Single Mode