erformance;Specification (approval);Telecommunications;Testing;Transmittances【摘要】: Covers the construction, mechanical and electrical performance, installation guidelines, acceptance criteria, and test requirements for a composite overhead ground wire with optical fibers commonly known as OPGW. Provides both construction and performance requirements that ensure within the guidelines of the standard that the ground wire function and maintenance of optical fiber integrity and optical transmissions are proper.【中国标准分类号】: M33【国际标准分类号】: 29_240_20;33_180_01【页数】: 30P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |