... a speediness 10/100Base-TX Industrial Ethernet Media Converter, easy to connect server, repeater, switch, device to device, Can satisfy customers ... MDI/MDI-X auto negotiation4. -40 to 75 .Coperating temperature range5. Designed for industrial applications. IP30 protection, rugged high-strength ... and single fiber is optinal media converter industrial ethernet to fiber optical fiber repeater ck-if11-s