L.109-2018


 

 

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标准号
L.109-2018
发布日期
2018年11月01日
实施日期
2019年01月24日
废止日期
中国标准分类号
/
国际标准分类号
/
发布单位
ITU-T - International Telecommunication Union/ITU Telcommunication Sector
引用标准
27
适用范围
This Recommendation refers to cables containing both optical fibres and metallic wires and: ?C Deals with optical/metallic hybrid cables for communications systems. ?C Deals with construction of optical/metallic hybrid cables. The optical fibre dimensional and transmission characteristics@ together with their test methods@ should comply with [ITU-T G.652]@ [ITU-T G.653]@ [ITU-T G.654]@ [ITU-T G.655]@ [ITU-T G.656]@ [ITU-T G.657] and [IEC 60793-2-10]. Dimensional and transmission characteristics of metallic wires and coaxial units for telecommunication@ together with their test methods@ should comply with [b-ITU-T Technical Report] and Recommendations in ITU-T L-series cable documents; ?C Deals with cables which may be outdoor designs@ indoor designs@ or indoor-outdoor designs. Cables such as FTTA or DAS cables are examples of such hybrid cables. ?C Deals with cables for limited powering applications found in communications systems. ?C Recommends that an optical/metallic hybrid cable should be provided with cable-end sealing and protection during cable delivery and storage@ as is usual for metallic and/or optical cables. If splicing components have been factory installed they should be adequately protected; ?C Recommends that pulling devices can be fitted to the end of the cable if required.




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