... Ethernet Media Converter Easy to connect server, repeater, switch, network switch Description: Ck-if11/21 Series is a speediness 10 ... FCC, CE, RoHS approvals Part No.Descriptionunitif11-M1*TP+1*fiber port,multi-mode,2Km,12~36VDC,SC/FCSTPcsCi-if21-M2 ... *TP+1*fiber port,single-mode,20Km,12~36VDC,SC/FCSTPcsTransmission distance and single fiber is optinal optical fiber converter/repeater network switch ck ...