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For Immediate Release
March 31, 2003

TERA® Standardized for Category 7/Class F Cabling

International committee overwhelmingly approves the IEC 61076-3-104 interface based on the Siemon TERA®, as the standard non-RJ style interface for Category 7/Class F structured cabling systems.

WATERTOWN, CT — It is official. After years of standards development, the IEC 61076-3-104 interface that is based on a plug/outlet interface developed by Siemon and marketed by them as the TERA® connector, has received final approval from the International Electrotechnical Commission (IEC). It is now the standard non-RJ 45 interface for Category 7/Class F and broadcast communications technology (BCT) cabling and is commercially available. This vote of eighteen countries represents a significant achievement for structured cabling. For the first time in history, a non-RJ style connector interface has been internationally standardized for four pair connections in a structured cabling system. During the interface selection conducted by ISO/IEC, an independent panel was asked to judge six different non-RJ-style connector proposals. Based on forty-eight separate criteria, including size, complexity, manufacturability, user-friendliness and transmission performance, the TERA® interface was ranked the best overall choice for delivering the demanding bandwidth specified in the standard. The approval of this standard is recognition of the exceptional design and performance characteristics built into this interface by Siemon’s Research & Development Engineering Group.

The Siemon Company, a global leader in advanced network cabling, is widely recognized for delivering the best product and system performance year after year. Fueled by the enterprise market’s increasing demand for networks capable of delivering emerging Internet Protocol (IP) applications – like Voice over IP, and IP video – at speeds up to and beyond 10 Gb/s, Siemon has created the international benchmark for balanced cabling performance.

“This final approval by IEC legitimizes Class F cabling systems and category 7 connectors in this very competitive marketplace,” said Dan Mullin, Manager of Research and Development for Siemon. “This is especially important in areas that predominantly use shielded cabling solutions – countries like France, Germany and others around the globe. The international support for approval of this interface standard confirms its status as a non-proprietary solution and its ability to deliver the performance required for the demanding applications of today and tomorrow. We are confident that the approval of this standard will fuel increased market acceptance of Category 7/Class F cabling.”

“This is a tremendous achievement in the industry. It represents the first time that an interface other than an ‘RJ-Style’ has been internationally specified for use with 100 ohm cabling,” said John Siemon, Vice President of Global Operations for Siemon. “TERA system offers enhanced performance to 1.2 GHz that constitutes an electrical superset of all other balanced cabling categories and classes. It has the unique ability to replace other 'high-speed' media such as 50- and 75-ohm coaxial media used for broadband video, as well as 150-ohm Shielded Twisted Pair (STP). Its innovative design allows for up to four individual 1.2 GHz balanced pair connections in the same space as a single keystone jack – permitting users to integrate video, voice and data services over a single cabling link. The outstanding pair isolation that makes this capability possible provides for unsurpassed alien crosstalk performance. An important consideration for emerging applications like 10GBASE-T. It is positioned to revolutionize structured cabling systems both for commercial and residential applications.1

Siemon offers a complete line of TERA products including cable, outlets, patch panels, modular patch cords and more. TERA is a fully shielded (S/FTP) cabling solution that virtually eliminates emissions and susceptibility to electromagnetic interference. TERA products have been successfully installed throughout the world and are available for immediate shipping.

For more information on the TERA interface please visit:

1 In addition to this ISO/IEC approval, the Siemon TERA connector interface has been chosen by ISO/IEC as the primary interface for the Broadcast and Communications technology (BCT) and Small Office Home Office (SOHO) standard being developed by draft standard ISO/IEC 15018 (ISO/IEC JTC 1/SC 25 N822)

About the Siemon TERA Connector

Networks today are moving towards convergence. The combination of data, voice and video on a single medium offers tremendous cost savings opportunities. Siemon’s TERA® connector and cabling system is capable of delivering data, voice and video over a single cable, terminated on a connector that fits within the same footprint as a standard RJ-style interface.

What is unique about TERA® is its ability to provide service up to 1.2 GHz, twice the bandwidth dictated by the Cat 7/Class F standard. Within one connector and cable, you can simultaneously transmit separate video, voice and data signals. TERA® is even capable of supporting full broadband analog video – traditionally 870 MHz – over a single pair while transmitting voice and data on the other twisted pairs. No other copper cabling system can do this. What’s more, because it is not an RJ style interface, it is not limited by the bandwidth constraints that are inherent to the RJ connector design. In developing TERA®, Siemon engineers were able to use a completely new approach and design a connector that is optimized to handle today’s emerging higher bandwidth applications. Quite simply, TERA® is the highest performing standards-based balanced cabling system in the world, and it is truly multi-media capable. Being first to market with a fully compliant Cat 7/Class F connector and cabling system is yet another example of Siemon’s pre-eminence as the world’s technology leader in structured cabling.


About Siemon
Established in 1903, Siemon is an industry leader specializing in the design and manufacture of high quality, high performance IT infrastructure solutions and services for Data Centers, LANs and Intelligent Buildings. Headquartered in Connecticut, USA, with global sales, technical and logistics expertise spanning 100 countries, Siemon offers the most comprehensive suites of copper and optical fiber cabling systems, cabinets, racks, cable management, data center power and cooling systems and Intelligent Infrastructure Management solutions. With more than 400 patents specific to structured cabling, Siemon Labs invests heavily in R&D and the development of Industry Standards, underlining the company's long-standing commitment to its customers and the industry. Through an ongoing commitment to waste and energy reduction, Siemon's environmental sustainability benchmarks are unparalleled in the industry, including 179% global carbon negativity and zero-landfill status
Siemon Interconnect Solutions (SIS) is a Siemon business unit comprised of a team of dedicated technical sales professionals supported by Siemon Labs, mechanical, electrical and signal integrity engineers committed to solving industry and customer driven interconnect challenges. We provide custom network infrastructure solutions to: OEM's, Leading Manufacturers, Value-Added Resellers and System Integrators.
Press Contact:
Betsy Conroy
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