Convert Fiber to EthernetDesigned to convert 1000BASE-SX/LX fiber to 1000Base-T copper media or vice versa. Versatile CompatibilityWorks with both single-mode and multi-mode fiber SFP modules and is fully compatible with 10/100/1000 Base-T Ethernet connections. Easy to UsePlug and play with no software installation or configuration needed. Auto-Negotiation Gigabit ConnectionAuto-negotiation RJ45 port supports Half-Duplex/Full-Duplex transfer mode and auto-MDI/MDIX. Long-Range TransmissionWhen used with different types of SFP modules the Hot-Swappable FX Port extends fiber distance up to 12.4 miles (20km) for Single-Mode transmission and 1 800 feet (550m) for Multi-Mode transmission.