This paper presents the optical fiber communications in terms of optical fiber cable installation, equipment construction and the transmission network architecture as well as the all-optical network. The market of the optical fiber, optical cable, SDH systems and optical connectors has been assessed. 文中阐述了光缆建设、光缆通信设备建设、光纤传输网体系及全光网发展的前景，并对光缆、光纤、SDH设备及光连接器等市场进行了估测。
The issues on FTTH engineering, including construction cost analysis, optical cable laying, optical fiber allotment, optical fiber connection and device installation, are discussed. 就光纤到户（FTTH）工程中的建设成本分析、光缆布放、光纤分配、光纤连接、设备安装等有关问题进行了探析。
This paper discusses issues in the planning and construction of long-distance optical cable backbone transmission network, including network structure and network pro-tection, optical fiber and optical cable, network installation technology and network manage-ment, etc. 讨论了长途光缆骨干传输网规划与建设中涉及到的几个问题（包括网络结构及网络保护、光纤光缆、网络装备技术和网络管理等几个方面）；
The transmission equipment operates in the digital microwave transmission mode or optical fiber transmission mode according to the conditions of the installation site. 传输设备根据安装现场条件，采用光缆或数字微波等方式。
The optical fiber connectors by cone lens face down the plane with the optical fiber coupling, dock fiber connectors with easy fabrication, the structure is simple and convenient installation and the coupling efficiency higher characteristic. 该光纤连接器的端面采用倒锥透镜光纤端与平面光纤端对接耦合的方式连接，光纤连接器具有制造方便、结构简洁、便于现场安装且耦合效率高等特点。
