ISO/IEC 11801

It was optimized for premises that span up to 3 km, up to 1 km2 office space, with between 50 and 50,000 persons, but can also be applied for installations outside this range.

A major revision was released in November 2017, unifying requirements for commercial, home and industrial networks.

Care is required to avoid signal degradation by mixing cable and connectors not designed for that use, however similar.

Most manufacturers of active equipment and network cards have chosen to support the 8P8C for their 10 gigabit Ethernet products on copper and not the GG45, ARJ45, or TERA.

As of 2019,[update] some equipment has been introduced which has connectors supporting the Class F (Category 7) channel.

[5][6] However, in 2016, the IEEE 802.3bq working group ratified the amendment 3 which defines 25GBASE-T and 40GBASE-T on Category 8 cabling specified to 2000 MHz.

In November 2017, a new edition was released by ISO/IEC JTC 1/SC 25 "Interconnection of information technology equipment" subcommittee.