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Method for manufacturing an improved overhead and underground cable lead-in cable for voice,data and video transmission services
Method for manufacturing an improved overhead and underground cable lead-in cable for voice,data and video transmission services
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机译:制造用于语音,数据和视频传输服务的改进的架空和地下电缆引入电缆的方法
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摘要
A method of manufacturing an improved overhead or underground telephone lead-in cable for transmission services VVDL (voice, video, data and lead-in) that permits the connection of the users to the public telephone system with a high speed digital service link, besides the analog services required. The cable has at least one or a plurality of transmission circuits. One of the transmission circuit is formed by two metal conductor elements cooperating in turn to self-support the cable or a conventional type of impregnated fibers or kevlar tape. The second circuit which is formed by a stranded pair of conductors is impregnated with a swelling powder preventing moisture penetration.
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