National Institute of Metrology, China

Anxiang Li

Xin Zhou

Chao Fu

Tong Wu

Wei Tang

Yao Yao

Qingfei Shen

Xinhua Pang

A standard for near end crosstalk of a category 6A cable, including a registered jack 45 (RJ45), a clamp connected to the RJ45, a first attenuator and a second attenuator. The RJ45 includes a first signal twisted pair to transmit a first source signal and a second source signal, and a second signal twisted pair to transmit a third source signal and a fourth source signal. The clamp includes a first signal pair connector electrically connected to the first signal twisted pair, a second signal pair connector electrically connected to the second signal twisted pair, a first differential amplification circuit and a second differential amplification circuit. The first attenuator is electrically connected to the first signal pair connector. The second attenuator is electrically connected to the second signal pair connector. The second attenuator and the first attenuator are configured to detect the near end crosstalk.

Standard for near end crosstalk of category 6A cable (CAT 6A)

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Beijing, China

Anxiang Li