Features: 1.Single Fiber Singlemode: This ethernet media converter adopts inbuilt single fiber / singlemode module, with SC port, Tx1310nm/Rx1550nm, extending your 100M or fast ethernet network up to 25km/15.5 miles. 2.RJ 45 Port: This fiber ethernet transceiver adopts 100Mbps ethernet single SC connector. RJ 45 Port: CAT5E/CAT6 10/100Mbps ethernet, Cat.5e or Cat.6 cable. Auto negotiation: full/half duplex auto negotiation, MDI/MDIX auto crossover. 3.LED Indicator: This ethernet switch converter is designed with LED indicator which provides status to monitor network activity easily. Complies with IEEE 802.3i IEEE 802.3u IEEE 802.3ab IEEE 802.3z. Status LED's for TX, FX LINK/ACT, POWER, FDX to easily monitor network status. 4.Plug and Play: Simply plug this fiber media converter in optical port, and it will work immediately, External power supply provided, support 9KB jumbo frame. Supports wide temperature range from 0C to 70C. 5.Space Saving: This optical media converter adopts sturdy metal housing, strong heat dissipation, compact design gives you flexible installation options. specification:Item Type: Ethernet Media Converter Material: Metal Supported Protocols: IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z Data Rate: 100Mbps for Optical Interface and 10/100/1000Mbps for Electrical Interface PackageList:1 x EthernetMediaConverter 1 x Power Adapter 1 x User Manual