Fiber Optic Connectors are the ends used to terminate optical fiber cable. The connector styles are DNP, ESCON, FC, FDDI, FSD, FSMA, LC, MPO, MT-RJ, MU, SC, SCRJ, SCRJ and Power Jack, SMA, ST, TNC, and VF-45. Proven mechanical splice technology ensuring precision fiber alignment, a factory pre-cleaved fiber stub and a proprietary index-matching gel combine to. A fiber optic connector is a mechanical device used to align and join optical fibers, enabling light to pass through with minimal loss. The mode options are multimode (OM1, OM2, OM3, OM4), POF, and Singlemode (OM1). These. Fiber optic laboratory testers provide accurate data on loss, performance, and signal quality, essential for developing, testing, and optimizing optical technologies. Choose from cable mount (free-hanging) or panel mount connector mounting types, -40 – 85 or -15 –.