Centillium Communications and Sumitomo Electric Industries Collaborate on DSL Technology

Strategic Insights -

Centillium Communications and Sumitomo Electric Industries are collaborating to deploy central office and customer premises equipment based on Centillium's G.dmt Annex H CopperFlite DSL chipsets. This partnership demonstrates continuous leadership in broadband communications technology in Japan, enabling Japanese businesses and residential users to utilize Synchronized Symmetrical Digital Subscriber Line (SSDSL) for high-speed access to the Internet and corporate networks. Centillium's technology leadership in developing DSL chipsets for the Japanese market has been unmatched, according to Sumitomo Electric Industries.

Key Takeaways:

  • Centillium Communications and Sumitomo Electric Industries are collaborating to deploy central office and customer premises equipment based on Centillium's G.dmt Annex H CopperFlite DSL chipsets.
  • The partnership will enable Japanese businesses and residential users to utilize Synchronized Symmetrical Digital Subscriber Line (SSDSL) for high-speed access to the Internet and corporate networks.
  • Sumitomo Electric Industries will manufacture Annex H SSDSL CO equipment and CPE utilizing Centillium's CopperFlite Octal CO chipset and CPE utilizing CopperFlite Utopia CPE chipset.
  • Centillium's Annex H implementation can achieve data rates over 3 Mbps for SSDSL, exceeding the requirement of 1.6 Mbps.
  • Japan has one of the largest installed bases of ISDN in the world, with over seven million ISDN subscribers.
  • Sumitomo Electric Industries' general manager, Yoshikazu Nishiwaki, stated, "Centillium's technology leadership in developing DSL chipsets which address the special needs of the Japanese market has been unmatched."
  • Centillium's CopperFlite CO chipset is a fully programmable DSL transceiver, consuming less than 1/2 a watt of power and occupying about one square inch of total board space.
  • Centillium CopperFlite and Flite Optimizer chipsets support a wide range of international DSL standards, including Turbo G.lite, G.lite (ITU-T G.992.2) Annex A and C, and G.dmt (ITU-T G.992.1) Annex A, B, and C.
  • The CopperFlite Utopia chipset interfaces with Ethernet for products such as routers and gateways, while the Flite Optimizer chipset supports USB, PCI, Mini-PCI, and CardBUS interfaces for PC-centric solutions.

Statistics:

  • Centillium's CopperFlite Octal CO chipset can achieve data rates over 3 Mbps for SSDSL, exceeding the requirement of 1.6 Mbps.
  • Japan has over seven million ISDN subscribers, making it one of the largest installed bases of ISDN in the world.
  • Sumitomo Electric Industries has shipped tens of thousands of ADSL products for campus networks based on legacy Ethernet LAN.

Sources:

  • Business Editors/High-Tech Writers, "Sumitomo Electric Industries to Deploy Central Office and Customer Premises Equipment Based on Centillium's G.dmt Annex H CopperFlite DSL Chipsets," September 5, 2000.
  • Centillium Communications, Inc., "Centillium Communications and Sumitomo Electric Industries Collaborate on DSL Technology," September 5, 2000.