... chain for Siemens, Profibus DP repeater, OLM/G 12, singlemode OLM, For siemens OLM, for Siemens fiber ... MM 2Km, SM 20Km Fiber interface type: ST/SC/FC (optional); ST (standard configuration) Relay Contact rating ... MMultimode fiber 2KM, one fiber port, connector ST/SC/FC, Rate data: 0~12M.PcsCi-pf120- ... transmission distance: 20KM, single fiber port, connector ST/SC/FC, Rate data: 0~12M.PcsCi-pf120-SSingle ...