(1. Preface In the past ten years, the communication business of urban construction and industrial enterprises has developed rapidly. Modern intelligent buildings, commercial and residential buildings, office buildings, and comprehensive buildings have been put on the agenda. In the past, when designing the voice and data lines in the building , will use a variety of different transmission lines, wiring sockets and connectors. For example, a customer telephone exchange usually uses twisted pair wires, and a local area network (LAN) may use twisted pair wires or coaxial cables. These different devices use different transmission lines to form their own networks. At the same time, the plugs, sockets and distribution frames connecting these different wirings are not compatible with each other, and cannot achieve the purpose of sharing with each other. Now you can combine the wiring of all voice, data, TV (conference TV, surveillance TV) equipment on a set of standard wiring system, and insert the terminal plugs of various equipment into standard sockets, the structured integrated wiring system can realize the above functions .?...)
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