Fiber Optic Adapter includesFC, SC, ST, LC, FC/APC, SC/APC, LC/APC, mating sleeves, hybrid fiber opticadapters, Single mode fiber optic adapters, multimode fiber optic adapters. Fiber optic adapters are used in fiber optic connection, the typical use is to provide a cable to cable fiber connection. Peoplesometimes also name them to be mating sleeves and hybrid adapters, matingsleeves means this fiber optic adapter is used to connect the same type fiberoptic connectors, while hybrid adaptors are the fiber optic adapter types used to connect different kindsof fiber optic connectors.