FTTH is the abbreviation for the fiber directly to the family, and the Chinese abbreviation for the fiber to the household. Specifically, FTTH is refers to the optical network unit (ONU) installed in a home user or business user is optical access Ser

I, Fiber optic cable A, fiber composition and classification1, fibre according to their manufacturing materials can be divided into different silica fibers and plastic optical fiber, quartz fiber commonly used fiber, silica fibers by their diffe