Copper-based assembly is cost-effective alternative to fiber optic modules

Making the choice between copper or fiber-optic networking products remains a major decision when setting up an industrial network. W. L. Gore & Associates developed Gore SFP+ Copper Cable Assemblies for high-performance computing and networking. See photo.

01/20/2009


Landenberg, PA – Making the choice between copper or fiber-optic networking products remains a major decision when setting up an industrial network. While fiber is becoming easier to use, innovations continue to increase the usefulness of copper-based technologies. W. L. Gore & Associates has developed Gore SFP+ Copper Cable Assemblies for high-performance computing (HPC), enterprise networking, and network storage markets . The assemblies offer a reliable and economical alternative to fiber optic modules for transmitting 10 Gbps data at distances up to 25 m.

W. L. Gore & Associates has developed Gore SFP+ Copper Cable Assemblies for high-performance computing (HPC), enterprise networking, and network storage markets.
W. L. Gore & Associates has developed Gore SFP+ Copper Cable Assemblies for high-performance computing (HPC), enterprise networking, and network storage markets.

Gore SFP+ Copper Cable Assemblies comply with the SFF-8431 standard with reduced jitter, very low latency, and maximum signal eye opening. These are the latest addition to its line of products for high-performance digital interconnects, including DDR and QDR Infinibnd, GbX, Airmax VS, and ERmet ZD cable interconnects.
The assemblies provide high performance with a lower dielectric constant, lower loss, tighter impedance control, and wider bandwidth. Through the use of a proprietary expanded PTFE dielectric, the company achieves a smaller cable size for a given conductor or a larger conductor in a specific twinax diameter. Cables are RoHS-compliant. The connector is made with a high-performance, low-loss RF material to reduce dielectric loss and provide a higher degree of impedance control through the link, plus reduced crosstalk compared to lossy FR-4 designs (those with a lot of energy dissipation).
On the fiber side, in a

copper-versus-fiber tutorial from Control Engineering

, CableOrganizer.com gave five reasons why fiber optic cables are preferable to copper for telecommunications and datacom network applications, including the contention that fiber optic is more efficient and secure than copper cabling.
W. L. Gore & Associates

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