标准摘要
[中文适用范围]： IEC 60794的本部分规定了管道和直埋安装用单模光缆的技术要求和特性。该规范包括功能机械、环境和光学要求、推荐的功能以及根据规定要求评估产品的测试方法。指定的测试方法（如果适用）是 IEC 60794-1-1 中引用的方法，并在 IEC 60794-1-2 中详细描述的方法。本规范的要求是对 IEC 60794-3 和 IEC 60794-3-10 的要求的补充。本标准未涉及多模光纤要求；参见 IEC 60794-3-12。 [外文原描述]： IEC 60794-3-11:2010 sets forth technical requirements and characteristics of single-mode optical fibre cables for duct and direct buried installation. This specification includes functional mechanical, environmental and optical requirements, recommended features and test methods for assessing the product against the stated requirements. The requirements of this specification supplement those of IEC 60794-3 and IEC 60794-3-10. The main changes with respect to the previous edition are as follows: - the title of the specification has been updated to include lashed applications; - the fibres specification clause (subclause 5.2.2) has been enlarged to include fibres types B6_a.
英文名称Optical fibre cables - Part 3-11: Outdoor cables - Product specification for duct, directly buried, and lashed aerial single-mode optical fibre telecommunication cables