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Hybrid cords integrate a high-performance category 7A/class FA plug with an innovative RJ45 plug designed for Blade Servers in data centres, server farms and other high-density environments

March 2008 – Siemon is introducing new versions of their hybrid TERA to RJ patch cords. These cords feature a standards-recognised TERA plug on one end and Siemon’s patented RJ45-compatible BladePatch plug on the other. The four pair TERA to BladePatch version utilizes high-quality category 7A stranded cable and meets or exceeds all 10GBASE-T standard requirements, including all alien crosstalk parameters.

The two-pair TERA to BladePatch cord allows two 10/100 Ethernet applications to be supported over a single TERA outlet and cable through cable sharing. Accepted by both TIA and ISO, cable sharing can help reduce the overall number of channels required to support lower-speed applications, effectively doubling connectivity density without increasing permanent link cable density. The BladePatch RJ45 plug further supports these density benefits.

BladePatch is a unique RJ45-style patch cord that can be inserted and removed without the need to depress an external latch. The patented push-pull internal latching mechanism locks the plug into position when pushed into the outlet or patch panel, and is removed by simply pulling back on the boot.

The BladePatch latching design and slim boot require less “finger space” around each patch cord making it the ideal patch cord solution for high-density environments.

The TERA to RJ45 BladePatch allows users to install high-performance category 7A permanent links capable of supporting future application speeds in excess of 10Gb/s while maintaining the ability to immediately integrate with their current networking equipment.

“With the standards bodies already looking beyond 10GBASE-T, category 7A /class FA TERA solutions offer the greatest long-term performance security”, explained Tony Veatch, Siemon’s TERA Product Manager. “The only roadblock was the fear that the category 7A interface could not be used with RJ-based equipment. Hybrid cords allow implementation of category 7A permanent links to support up to 10Gb/s on current equipment as well as supporting multiple lower-speed applications through cable sharing.

These cords meet FCC68.500 and IEC 60603-7 specifications, ensuring reliability and long-term resistance to humidity-based corrosion, extreme temperatures and airborne contaminants. They are 100% transmission-tested and available in both T568A and T568B wiring schemes, which allows them to accommodate all Ethernet applications.

To find out more about Siemon’s new TERA hybrid patch cords and other Siemon innovations, visit


About Siemon

Established in 1903, Siemon™ is an industry leader specialising in the manufacture and innovation of high quality, high-performance network cabling solutions. With global offices and partners throughout the world, Siemon offers the most comprehensive suite of copper (unshielded and shielded twisted-pair) and fibre cabling systems available and is one of only three network cabling infrastructure companies worldwide with true global partnership capabilities. With over 400 active patents specific to structured cabling, Siemon Labs invests heavily in R&D and development of industry standards, underlining the company's long-term commitment to its customers and the industry.

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