Features: 1Data Rate: 1000Mbps Ethernet single SC connector, connect SC optical cable,RJ45 port CAT5E CAT6 10M 100M 1000Mbps Ethernet, Cat.5e or Cat.6 cable, full duplex half duplex auto negotiation, MDI MDIX auto crossover. 2Up to 20km: Emitting at 1310nm, it easily extends your 100GbE or Fast Ethernet network up to 20km, with a compact modular design for easy deployment in tight desktop locations. 3LED 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 make it easy to monitor network status. 4Plug and Play: Just plug in the fiber port and UTP port and it works immediately, external power supply provided, 9KB jumbo frame support Supports a wide temperature range of 0C to 70C. 5PCB Material: Ethernet transceiver is made of PCB material, which is not deformed for long time use, thus ensuring the stability for a long time. Package included: 1 x Fiber&nbspTransceiver 1 x&nbspUser Manual