... Media Converter Easy to connect server, repeater, switch, network switch Description: Ck-if11/21 Series is a speediness ... FCC, CE, RoHS approvals Part No.Descriptionunitif11-M1*TP+1*fiber port,multi-mode,2Km,12~36VDC,SC/FCSTPcsCi ... -mode,2Km,12~36VDC,SC/FCSTPcsCk-if11-S1*TP+1*fiber port,single-mode,20Km,12~36VDC, ... SC/FCSTPcsCi-if21-S2*TP+1*fiber port,single-mode,20Km,12~36VDC, ...