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Albuquerque, New Mexico

At the IEEE 10Gigabit/s Ethernet standard working group meeting today it was announced that a breakthrough had been made by international structured cabling company Krone. It provided proof of the first augmented Category 6 cable in the world with the necessary characteristics to enable 10Gigabit/s Ethernet to be implemented over unshielded twisted pair (UTP) to the full 100 metres required for structured cabling systems.

The test results on Krone's new cable were corroborated by one of the leading Ethernet electronics vendors involved in the development of 10Gigabit/s technology and the 10GBASE-T Ethernet standard*. Presenting the results Krone's Bernie Hammond said, "Our presentation to the IEEE today shows that Krone has demonstrated its ability to produce a UTP cable that meets and exceeds the requirements outline to run 10Gigabit/s Ethernet over a 100 meter unshielded twisted pair copper channel."

"One of the major challenges of 10Gigabit/s is Alien Crosstalk." explained Krone's market development manager Keith Ford. "In simple terms this means interference from adjacent cables that the active electronics cannot cancel out."

A number of experts and manufacturers had concluded that it would not be possible to overcome the combination of insertion loss and alien crosstalk with UTP cable (UTP is the solution of choice in the Americas, UK and many other countries) and have been suggesting that a more costly and more difficult to install shielded (or FTP) solution would be necessary.

"We are delighted to be the first in the world to overcome the Alien Crosstalk challenge and demonstrate that 10Gigabit's can be achieved over an augmented Cat 6 UTP cable," said Ford.

Krone's new augmented Cat 6 UTP copper cable demonstrated 21Gigabit/s due to the improved Alien Crosstalk immunity and the reduced insertion loss. - which is more than adequate for the 10Gigabit/s Ethernet implementations being considered by the IEEE standard working group.


[311 words - issued Nov-03]

Note to editors:

Details of the presentation given (including details of the electronics vendor) can be found on the IEEE website at

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Turtle Consulting Group: Jackie Thomas on: 070 7470 7063



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