Vitesse's Timestream Used in Lucent's DMX Access Multiplexers

4/8/2003 - Vitesse Semiconductor Corp. (Nasdaq:VTSS) announced that its TimestreamTM family of products (VSC9186, VSC9187 and VSC9188) has been deployed in Lucent Technologies' Metropolis® DMX Access Multiplexer.

"Vitesse's solution provides considerable architectural benefits for DMX along with a high-level of functional integration," said Jay Fahey, Lucent's general manager of Metro-Access Systems. "The features and seamless integration of the VSC9186, VSC9187 and VSC9188 family was key. Our decision was further enabled by Vitesse's willingness to support a high degree of technical collaboration and their overall commitment to success."

Vitesse's highly integrated Timestream family is part of its broad portfolio of Metro ICs and is designed to provide a total solution for SONET/SDH linecards. The Timestream family includes the VSC9186, an OC-192/STM-64, 4X OC-48/STM-16 pointer processor plus section and line terminator, featuring hardware based APS switching, B1, B2 and B3 error accumulation and BER calculation, and POH monitoring. The VSC9187, a 5G VT1.5 TSI switch, and the VSC9188, a 2.5G column aligner and pointer processor, offer industry leading density and robust functionality for grooming and switching at the VT1.5 level. The VSC9187 and VSC9188 products also feature hardware-based, GR-1400 CORE compliant, low-order UPSR selection and path termination of STS-1 traffic.

"Vitesse is committed to helping customers like Lucent advance the capabilities of Metro and Enterprise networks through innovative designs and superior customer service," said Gregg Borodaty, vice president and general manager of Vitesse's Network Product Division. "Lucent's selection of our devices helps solidify Vitesse's position as a premiere provider of metro transport ICs."

The VSC9186, VSC9187 and VSC9188 are currently in full production. Evaluation platforms and software development kits are available for all Vitesse SONET/SDH products and can be obtained by contacting Vitesse or its sales representatives.

About Vitesse
Vitesse Semiconductor is a leading designer and supplier of innovative, high-performance integrated circuits and optical modules used in next-generation networking and optical communications equipment. The Company's products address the needs of Enterprise, Access, Metro, Core, and Optical Transport network equipment manufacturers who demand a robust combination of high-speed, high-service delivery and low-power dissipation in their products. In concert with its broad communications product portfolio, Vitesse also develops ICs for storage area networking and enclosure management. Company and product information is available by calling 1-800-VITESSE or at

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