... -if11/21 Series is a speediness 10/100Base-TX Industrial Ethernet Media Converter, easy to connect server, repeater, switch, device ... RoHS approvals Order information: 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 10/100Mbps Fiber Industrial Ethernet Media Converter Ck-if21-M