This FC‑FC fiber optic adapter provides a reliable connection between two FC connectors, supporting both single mode and multimode fibers. Designed for low insertion loss and high stability, it is ideal for use in telecom networks, data centers, patch panels, and other fiber. Amphenol FC adapters are precision manufactured to produce reliable and consistent performance. Amphenol FC adapters are mechanically and optically intermateable with NTT FC type products and conform to JIS C 5970. Support PC/UPC/APC Polishing, simplex/dupplex. metal, big/small D, square type. It is used for connecting two terminated fiber cables (fiber connector).