this post was submitted on 22 Nov 2023
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Home Networking
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This seems confused. Category 8 is defined in ANSI/TIA-568-D and ANSI/TIA-568-C.2, as are Categories 5e, 6 and 6a. There is no such thing as 7 or 8.1 in that standard.
Category 8.1 and 8.2 cables and connectors are specified in another standard, ISO/IEC 11801. This one also includes Category 1, 2, 3, 5e, 6, 6a and, yes, 7 and 7a cables and connectors.
If you hence believe Category 8.1 exists but Category 7 doesn't you are being inconsistent. Only those that think Category 8 exists and 8.1 is a fantasy can be consistent in the belief that there is no such thing as 7.