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Class I channel (Category 8.1 cable): minimum cable design U/FTP or F/UTP, fully backward compatible and interoperable with Class E A (Category 6 A) using 8P8C connectors; Class II channel ( Category 8.2 cable): F/FTP or S/FTP minimum, interoperable with Class F A (Category 7 A ) using TERA or GG45 .
The current revision includes Category 5e (100 MHz), 6 (250 MHz), 6A (500 MHz), and 8 (2,000 MHz). Categories 7 and 7A were not officially recognized by TIA and were generally only used outside the United States. Category 8 was published with ANSI/TIA‑568‑C.2‑1 (June 2016) [9] to meet the performance specification intended by Category 7.
A Cat 6 patch cable, terminated with 8P8C modular connectors. Category 6 cable (Cat 6) is a standardized twisted pair cable for Ethernet and other network physical layers that is backward compatible with the Category 5/5e and Category 3 cable standards. Cat 6 must meet more stringent specifications for crosstalk and system noise than Cat 5 and ...
Since common Category 5 cable has four pairs, it is possible to use the spare pairs (pins 4–5, 7–8) in 10- and 100-Mbit/s configurations for other purposes. The spare pairs may be used for power over Ethernet (PoE), for two plain old telephone service (POTS) lines, or for a second 10BASE-T or 100BASE-TX connection.
U/FTP, F/UTP and F/FTP are used in Cat 6A cables. Shielded Cat 5e, Cat 6/6A, and Cat 8/8.1 cables typically have F/UTP construction, while shielded Cat 7/7 A and Cat 8.2 cables use S/FTP construction. [9] Because the shielding is conductive, it may also serve as a path to ground.
Maximum distance 100 m (328 ft) over twisted pair, up to 100 km over optical fiber ... 8P8C (IEC 60603-7) Category 6 cable required. Unimplemented, withdrawn.
Regardless of copper cable type (Cat 5e/6/6A), the maximum distance is 90 m for the permanent link installation, plus an allowance for a combined 10 m of patch cords at the ends. Cat 5e and Cat 6 can both effectively run power over Ethernet (PoE) applications up to 90 m. However, due to greater power dissipation in Cat 5e cable, performance and ...
While 10GBASE-T had already been standardized since 2006, this standard used a higher signaling frequency that would have substantially limited the maximum distance of Cat5e cable runs. Therefore, there was demand for an intermediate standard that could uplink the 2 Gbit/s and 4 Gbit/s speeds from wireless access points over existing Cat5e cable .