Ethernet Switch 1 Gigabit SFP Optical Port 2 Gigabit Electrical Ports 24 100M Adaptive Ethernet Switch Item Type: Fiber Optic Switch (Without Optical Module) Material: Aluminum Alloy Model: TBC-S4024N-2GE1GF Network Port: 24 10/100M Adaptive RJ45 Ports, 2 Uplink Gigabit Electrical Ports, 1 Gigabit SFP Optical Port Transmission Medium: Category 5 and above Unshielded Twisted Pair Network Standards: IEEE802.3, IE802.3u, IE8O23ab, lEE802.1ld, IEEE802.1w, IEEE802.1s, IEEE802.1Q, IEEE802.Ip, IEEE802. 3X Media Access Control Address: 4K Exchange Capacity: 2.4Gbps Exchange Method: Store and Forward, Wire Speed Filtering and Forwarding Power Supply Mode: Built in Power Adapter