FC/PC connector is available in both single-mode and multimode versions, and is fully intermateable with Bellcore. Both single-mode and multimode versions come with a zirconia ceramic ferrule with pre-polished PC profile and convex spherical end. These end-face types allow for faster polishing, and low back reflection and optical loss ,while ensuring maximum repeatability. All FC/APC connector is fully compatible with APC hardware, featuring a very high tolerance anti-rotation key for consistent performance. All FC/APC connectors come with a zirconia ceramic ferrule with choice of end-face types including standard, step, and cone. These end-face types allow for faster polishing, and low back reflection and optical loss* ,while ensuring maximum repeatability.