April 10th, 2012 
The first step in this should be to take a few moments to go back over the standards.
IEEE 802.3an, ratified in 2006 outlined 10GBase-T over Category 6A/Class EA cables (or better) including screened and unscreened construction as outlined in ISO 11801 Add 2.
This also introduced the subject of Alien Crosstalk Testing, something that had not really been considered previously. Basically 10GBase-T receiving hardware cannot compensate for the noise from outside the cable itself, therefore the cabling needs to do the cancelling wherever possible.
EN50173-1 has a complete section on the parameters and limits to be tested. If it …
Continue reading Cabling Standards Refresher
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