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    2. Digital communication uses 5 kinds, 6 kinds of cables
      Digital communication uses 5 kinds, 6 kinds of cables

      Digital communication uses 5 kinds, 6 kinds of cables

        5 kinds, 6 kinds of cable products are used in the digital communication system extensively, including the computer network, Integrated Service Digital Network(ISDN)( ISDN), Data communication system,etc., connect up in the level in the comprehensive wiring system, perpendicular and workspace.
      原文(Source)
      The structure form of the cable includes the forms, such as UTP, STP, SSTP,etc.
        The supreme frequency of utilization of 5 kinds of cables is 100MHz.
        The supreme frequency of utilization of 6 kinds of cables is in order to reach 250MHz.

      The frequency of utilization and use of the cable of all kinds of data are as follows:
      Performance :
       5 kinds of cables accord with the following standard request:
       ANSI/TIA/EIA-568A
       IEC61156-1994
       ISO/IEC11801(2nd edition)
       ansi/nema wc63.1-1996
       YD/T838-1996
      Electric performance of five-kinds cable: ( click to enlarge)

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