Features: 1.Universal Compatibility: Ethernet transceiver works with single mode and multi mode fiber optic SFP modules and is fully compatible with 10Mbps 100Mbps 1000Mbps Base T Ethernet connections. 2.Long Distance Transmission: When used with different types of SFP modules, the FX port can be hot swapped to extend the fiber distance to 0 to 120km. 3.LED Indicators: Easy to view LED indicators provide status to easily monitor network activity, compliant with IEEE 802.3 802.3u 802.3af. TX, FX LINK ACT, POWER, FDX status LEDs allow easy monitoring of network status. 4.Support Transmission Mode: Auto negotiation Gigabit connection, auto negotiation RJ45 port support half duplex, full duplex transmission mode and auto MDI MDIX. 5.Plug and Play: Fiber media converter plug and play, no installation or configuration software required, 100?240V plug voltage. specification:Item Type: Fiber Transceiver Material: Metal Plug Voltage: 100-240V Supported Protocols: IEEE 802.3i IEEE 802.3u IEEE 802.3ab IEEE 802.3z Data Rate: Optical Port 1.25Gmbps, Electrical Port 10/100/1000 Mbps Port: SFPx2 PackageList:1 x FiberTransceiver 1 xPower Adapter 1 xUser Manual