THE STARTECH.COM ADVANTAGE: StarTech.com offers a 2-year warranty and free lifetime technical support on this converter and has been the choice of IT professionals and businesses for over 30 years. ETHERNET OVER FIBER EXTENSION: Use this fiber media converter to convert and extend a 1000Mbps Gigabit Ethernet connection up to 550m / 1804ft over Multimode SC fiber on 1000BASE-SX networks. ADVANCED FEATURES: This SC fiber media converter provides a switch supporting the Link Fault Passthrough (LFP) function, LED indicators for simple monitoring and supports a full duplex operation. PLUG AND PLAY: Designed for ease of use, this copper to fiber media converter provides a quick and easy setup. It can be used as a standalone device or mounted to a wall. MAXIMUM DURABILITY: Built to withstand harsh environments, this rugged media converter has a durable metal housing, and has an operating temperature range of 0°C-50°C (32°F-122°F).