Trendnet TEG-ECSX is a media converter that enables you to connect a 100Base-FX fiber network to a 10/100Base-TX copper network, allowing you to extend your network over long distances using fiber optic cabling. It supports full-duplex operation, auto-negotiation, and jumbo frame support, making it suitable for high-speed data transfer applications, such as video streaming and large file transfers. Additionally, it has a compact and sturdy metal housing, making it ideal for use in harsh environments.