Vitesse G-RocX(TM) SoC Enables CyberTAN to Deliver Industry's First Production-Level Home-Gateways for the Fiber-to-the-Home (FTTH) Market

TAIPEI, Taiwan—(BUSINESS WIRE)—June 2, 2008— To deliver the industrys first production-level EPON FTTH Residential Gateway, CyberTAN, a leading Taiwanese original design manufacturer (ODM) of broadband networking equipment, is using Vitesse Semiconductor Corporations (Pink Sheets: VTSS) G-RocX Gigabit Router system-on-a-chip (SoC). Vitesse has simplified the ODMs development effort by providing the industrys most highly optimized solution that integrates a central processing unit (CPU) with Gigabit Ethernet switch and voltage-mode PHY technology into a single chip. The low-power SoC provides the performance needed to support triple-play networking service while simultaneously lowering overall bill of material (BOM) costs.

Vitesses G-RocX VSC7501 provides Gigabit LAN connectivity, including Gigabit Ethernet system performance and Quality of Service (QoS) technology, for Home Residential Gateways. This allows CyberTAN to quickly develop its family of high-performance gateways that meet the carrier-class video, data and voice delivery requirements of the FTTH market.

Vitesse is the first IC provider to achieve integration of a full-featured, six port Gigabit Ethernet switch with a high-performance router engine. The device includes triple speed 10/100/1000 Mbps copper PHY ports, line-side termination resistors, a router engine with a custom Hardware Network Address Translation (HNAT), a UART, two USB 2.0 interfaces, and a PCI port. The enhanced triple play experience is delivered through a Gigabit Ethernet WAN port. This connection provides optimal bandwidth to the home network, thus improving the quality of time-sensitive applications running in parallel, such as the concurrent delivery of Voice over IP (VoIP), data services, IPTV, HDTV, Video on Demand (VoD) and online gaming applications.

The custom HNAT, which offloads packet header extraction, SIP, ARP, and session table search, enables full Gigabit per second line rate routing. This high-performance router engine architecture significantly offloads software drivers and accelerates the delivery of wired and wireless Ethernet packets. G-RocX delivers a highly integrated SoC at less than 3 Watts enabling the removal of heat dissipating fans and the use of less expensive plastic housings further contributing to a lower system BOM.

Service providers today are looking for ways to capture lucrative revenue opportunities from triple play services. Vitesses highly integrated G-RocX host CPU architecture provides our ODM customers with a feature-rich, cost-optimized solution that meets Carrier residential gateway needs, said Brian Jaroszewski, senior product marketing manager at Vitesse.

About Vitesse

Vitesse designs, develops and markets a diverse portfolio of high-performance, cost-competitive semiconductor solutions for Carrier and Enterprise Ethernet networks worldwide. Engineering excellence and dedicated customer service distinguish Vitesse as an industry leader in Gigabit Ethernet LAN, Ethernet-over-SONET, Fibre Channel, Optical Transport, and other applications. Vitesse innovation empowers customers to deliver superior products for Enterprise, Access, Metro, and Core applications. Additional company and product information is available at

Vitesse is a registered trademark and G-RocX is a trademark in the United States and/or other jurisdictions of Vitesse Semiconductor Corporation. All other trademarks or registered trademarks mentioned herein are the property of their respective holders.

Safe Harbor

Statements made in this release that are not historical facts are forward-looking statements (as defined in the Private Securities Litigation Reform Act of 1995) that involve risks and uncertainties and are subject to change at any time. These forward-looking statements may include, but are not limited to, statements containing words such as anticipate, believe, plan, estimate, expect, hope, intend, and similar expressions. Factors that could cause actual results to differ are identified in the public filings made by Vitesse with the Securities and Exchange Commission and include the fact that we have disclosed that you should not rely upon our published financial statements and the fact that we have not filed all of our reports required by the Securities Exchange Act of 1934. More information on factors that could affect our business and financial results are included in our public filings made with the Securities and Exchange Commission, which are available on the web site of the Securities and Exchange Commission,

The forward-looking statements involve known and unknown risks, uncertainties and other factors that are, in some cases, beyond our control. We caution investors that any forward-looking statements made by us are not guarantees of future performance, including, but not limited to, the risks that the recently announced proposed settlement of certain lawsuits against the Company will not be completed or approved by the court, that any court approval will be successfully reversed on appeal, or that the settlement agreement is terminated or cancelled under its terms. We disclaim any obligation to update any such factors or to announce publicly the results of any revisions to any of the forward-looking statements to reflect future events or developments.

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