- Foxconn Interconnect Technology (FIT) Limited focuses on the development, manufacturing, and marketing of electronic and optoelectronic transceivers, connectors, antennas, acoustic components, cables, and modules for applications in computers, communication equipment, consumer electronics, automobiles, industrial and green energy field products. With offices and manufacturing sites located in Asia, the Americas, and Europe, FIT is a global leader in the manufacturing of high precision interconnect components. FIT is a leading supplier in Ethernet, Fibre Channel, and Proprietary Interconnect market segments and offers a broad portfolio of different products that include pluggable optical transceivers, embedded optical modules, cages and connectors, direct-attach copper cables, and active optical cables.