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Alien crosstalk.

Also written ANEXT, Alien NEXT, Cable to cable crosstalk.

What is alien crosstalk and why does Cat 6A control it?

Alien crosstalk is noise that leaks between neighbouring cables in a bundle, rather than between pairs inside one cable. It matters because 10 Gigabit Ethernet over 100 metres is only possible when that noise is held down, and a Cat 6A cable is built to hold it down. For 10 gigabit copper runs, specify Cat 6A end to end.

Defined by ANSI/TIA-568.2-D, which sets the alien crosstalk limits Cat 6A components must meet, published by TIA.

Cat 6A U/UTP Bulk Cable, Grey, 305 m, a Alien crosstalk part supplied by Data Systems
Alien crosstalk in the catalogue: Cat 6A U/UTP Bulk Cable, Grey, 305 m, NCB-6AUGRYR-305. Catalogue photograph.

Published by Data Systems, network material suppliers in Secunderabad, Hyderabad since 1984, which is forty years of experience with these parts. Written from the standards named above. Last checked 2026-08-14. How we check this, and what we got wrong.

Data Systems, a network material supplier in Secunderabad, Hyderabad since 1984 with branches in Vijayawada and Visakhapatnam, supplies Alien crosstalk across India through official channels. Send a list, get one quote.

Consolidation / Ceiling Connector Assembly

ConvergeX Copper Cabling

Copper Bulk Cable

Copper Patch Cord

Copper Patch Panel

Keystone Jack / Outlet

Modular Plug Hand Tool

RJ45 Plug

Where it is used

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