FTTH 是当前应用最广泛的接入网技术，面对不同的建设场景，对几种常见的建设场景进行了分类，重点对 高、低层住宅小区、商务楼宇、工业园区4 种建设场景的组网要点、组网结构进行了详细描述，并提出了各个场景的组网方案。

FTTH access is the key technology used in fixed broadband construction. In the broadband access network construction, several common scenes are classified. For the 4 scenes including high-rise residential, low-rise dwelling, business building and industrial park, the network structures are described in detail, and the scheme of each scene is put forward.