... connect server, repeater, switch, network switch Description: Ck-if11/21 Series is a speediness 10/100Base-TX Industrial Ethernet ... ports, Ck-if21 supports 2 TP ports 1 fiber ports. TP(RJ45) support 10/100Base-T(X), Full/Half ... FCC, CE, RoHS approvals Part No.Descriptionunitif11-M1*TP+1*fiber port,multi-mode,2Km,12~36VDC,SC ... mode,20Km,12~36VDC,SC/FCSTPcsCi-if21-S2*TP+1*fiber port,single-mode,20Km,12~36VDC ...