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The standard for Category 6A (augmented Category 6) is ANSI/TIA-568.2-D (replaces 568-C.2), [8] defined by TIA for enhanced performance standards for twisted pair cable systems. It was defined in 2009. [9] Cat 6A performance is defined for frequencies up to 500 MHz—twice that of Cat 6.
The significance of each category or class is the limit values of which the Pass/Fail and frequency ranges are measured: Cat 3 and Class C (no longer used) test and define communication with 16 MHz bandwidth, Cat 5e and Class D with 100 MHz bandwidth, Cat 6 and Class E up to 250 MHz, Cat6A and Class EA up to 500 MHz, Cat7 and Class F up to 600 ...
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.
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.
Standardized as IEC 61076-3-124, its nominal bandwidth is 500 MHz (Cat 6A). Single-pair Ethernet defines its own connectors: IEC 63171-1 LC : [ 5 ] This is a 2-pin connector with a similar locking tab to the modular connector, if thicker.
Class B: Up to 1 MHz using Category 2 cable and connectors; Class C: Up to 16 MHz using Category 3 cable and connectors; Class D: Up to 100 MHz using Category 5e cable and connectors; Class E: Up to 250 MHz using Category 6 cable and connectors; Class E A: Up to 500 MHz using category 6A cable and connectors (Amendments 1 and 2 to ISO/IEC 11801 ...