This ST(Female) to SC(Male) fiber optic conversion adapter, Converting ST connector to SC Connector. Provided a simple and reliable solution for connecting two different optic fiber transmission joints. A fiber optic connector is a mechanical device that allows two fibers to be joined precisely, enabling light to pass with minimal insertion loss and reflection. Ensures low return loss (minimal light reflection back into. A fiber optic adapter, sometimes also called a coupler, is a small device designed to terminate or link the fiber optic cables or fiber optic connectors between two fiber optic lines. Designed with a ceramic alignment sleeve, it guarantees precise core alignment and low-loss performance. Its simplex configuration makes.