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Vitesse Provides Superior Migration Path to Advanced Metro Ethernet Services

June 17, 2008

With the increased demand for data based services, Original Equipment Manufacturers (OEMs) must upgrade communications infrastructure systems to deploy enhanced Ethernet services over SONET/SDH-based technology in order to effectively and reliably deliver voice, video and data-based traffic. To meet these critical network requirements, Vitesse Semiconductor Corporation (Pink Sheets:VTSS) has introduced the VSC7350, the industry’s first media access controller (MAC) which allows OEMs to support advanced Metro Ethernet services over both SONET/SDH and DWDM applications. The VSC7350 is the fourth-generation MAC in Vitesse’s widely adopted product portfolio and the first to deliver both Ethernet Private Line and Virtual Private Line functionality.

The VSC7350 is an advanced Ethernet aggregation device containing two 10 Gbps XAUI ports plus a SPI4.2 host interface. It supports the conversion from XAUI to SPI4.2 by transferring packets between each XAUI interface and up to 48 SPI4.2 channels. This enables single Multi-Service provisioning Platform (MSPP) development for seamless connectivity between Ethernet over SONET mappers, network processors, ASICs and Carrier Ethernet devices. The addition of VLAN-based aggregation in the MAC allows existing platforms to deliver all variations of EPL, EVPL, and E-LAN Metro Ethernet services over existing SONET/SDH networks.

“Vitesse is extending its leadership in Ethernet over SONET/SDH solutions that enable carrier-class Ethernet services. This new generation of MAC is the only merchant silicon available today that offers OEMs the functionality needed to deliver against the network requirements of advanced Metro Ethernet services,” said Andy Ebert, product marketing manager for Vitesse. “With the pervasiveness of SONET/SDH in telecom networks, having a migration path that easily and cost-effectively upgrades these networks is necessary as the industry moves to the ubiquitous adoption of advanced Ethernet services. The VSC7350 is an essential component in enabling this adoption.”

The VSC7350 MAC supports an enhanced mode to the standard XAUI interface which combines SPI-like channelization and finer flow control granularity with lower number of pins and longer trace support than the traditional XAUI interface. Using VLAN based channelization, per channel shaping and an in-band or out-of-band flow control option, the user can support EVPL and E-LAN functionality on 48 different users each of which can meet individual carrier Service Level Agreements (SLA).

Availability and Pricing

Samples of the VSC7350 MAC are available now. To reduce development costs and improve time-to-market for OEMs, Vitesse has designed the VSC7350 to be software- and pin-compatible with its existing MAC product portfolio. The VSC7350 is priced at $99 USD each in 10K quantities and packaged in a 27mm x 27mm FCBGA.

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 www.vitesse.com.

Vitesse is a registered 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, www.sec.gov.

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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