Features: 1.Dual Fiber Single Mode: This Ethernet optical switch has dual fiber single mode Tx1310nm with SC port. Allowing 25km Ethernet network extension. Compact design ensures convenient deployment in narrow space. 2.LED Indicator: This fiber media converter is designed with LED indicator. Support IEEE 802.3i IEEE 802.3u IEEE 802.3ab IEEE 802.3z. 3.Full Half Duplex: This Ethernet switch supports plug and play, auto negotiation of full/half duplex, and MDI/MDIX auto cross. 4.Jumbo Frame Supported: This fiber optic switch also 9KB jumbo frames and a wide temperature range from 0 to 70. 5.Metal Case: This Ethernet network switch adopts sturdy and durable metal material, which ensures fast heat dissipation and longer service life. specification:Item Type: Ethernet Optical Switch Material: Metal Supported Protocols: IEEE 802.3i IEEE 802.3u IEEE 802.3ab IEEE 802.3z SFP Ports: 4 RJ45 Ports: 4 Data Rate: 100Mbps for SFP, 10/100Mbps for RJ45 PackageList:1 x EthernetOpticalSwitch 1 xPowerAdapter 1 x User Manual