Trendnet TI-F11SFP is a media converter for connecting Ethernet devices to fiber optic cables, enabling the extension of network connections over long distances. It supports data transfer speeds of up to 1000 Mbps and features a DIP switch for configuring speed and SFP module settings. With its compact design and DIN-rail or wall mount options, the TI-F11SFP offers flexible installation options for various networking environments.