Features: 1.Single Fiber Single Mode: This Ethernet optical switch has inbuilt single fiber single mode module Tx1310nm, with SC port. Easily extend your Ethernet network up to 25km. 2.Auto Negotiation: This Ethernet fast switch supports full/half duplex auto negotiation and MDI/MDIX auto cross. 3.LED Indicator: This Ethernet switch is designed with LED indicator to monitor the status of TX, FX LINK/ACT, POWER, FDX. Complies with IEEE 802.3i IEEE 802.3u IEEE 802.3ab IEEE 802.3z. 4.Plug and Play: This fiber media converter is plug and play, support 9KB jumbo frames. Supports a wide temperature range from 0 to 70. 5.Metal Case: This Ethernet network switch adopts metal case, safe and stable, also features compact design which allows you to deploy in narrow space. 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: 2 Data Rate: 100Mbps for SFP, 10/100Mbps for RJ45 PackageList:1 x EthernetOpticalSwitch 1 x Power Adapter 1 x User Manual