Standards and Limits

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Popular Standards and Limits

ISO/IEC

  • Name contains IEC or ISO
  • International standard, valid around the world
  • Component performance is called a "category"
    • Examples are Category 5e,Category 6,Category 6A, Category 7, Category 7A, Category 8.1 and Category 8.2
  • Installed link performance is called a "class"
    • Examples are Class D, Class E, Class EA, Class F, Class FA, Class I, Class II


ISO/IEC standards often form the basis of regional and national standards, including the European CENELEC standards

 

TIA

  • Name contains TIA or ANSI/EIA/TIA
  • National standard, valid in the United States of Amerika
  • Component performance is called a "category"
    • Examples are Category 5e,Category 6,Category 6A, Category 7, Category 7A, Category 8
  • Installed link performance is also called a "category"
    • Examples are Category 5e,Category 6,Category 6A, Category 8


Indeed, there is no such thing as a Category 7 or Category 7A link