... to connect server, repeater, switch, device t fiber ethernet 1*TP+1*fiber port,single-mode,2Km,12~36VDC,SC/FCSTDescription ... FCC, CE, RoHS approvals Part No.Descriptionunitif11-M1*TP+1*fiber port,multi-mode,2Km,12~36VDC,SC/FCSTPcsCi-if21-M2 ... -mode,20Km,12~36VDC,SC/FCSTPcsTransmission distance and single fiber is optinal media converter industrial ethernet to fiber optical fiber repeater ck-if11-s