... RJ45 PortsAUTO Negotiation/AUTO MDI/MDIX1 155Mbps SC Ports Single-mode optical fiberPower Pin AssignmentData provided over pairs over 1/ ... -TX: UTP category 5, 5e cable (maximum 100m)Single-mode optical fiber (Single fiber or double fiber ),maximum 25KmPerformance SpecificationsBandwidth:1.6 ... 100M Switch with 4-Port POE and 1-Port Fiber,Single-mode fiber double,SC fiber interface ,IEEE 802.3af,PoE ...