Vitesse Targets Access, Metro Applications with 340 Gb/s TSI Switch

9/23/2003 - Vitesse Semiconductor Corp. (Nasdaq: VTSS) announced the latest addition to its TimeStream family, the VSC9195, which is the industry's first 340 Gb/s Time Slot Interchange (TSI) switch. It establishes a new level of performance by providing features that address the requirement of OEMs and system designers of Access and Metro applications: accelerate the deployment of higher capacity line cards at reduced cost, with improved reliability and interoperability.

As OEMs face fierce competition that erodes prices and development budgets, the VSC9195 becomes an essential part of their strategy to establish and hold market share while simultaneously supporting the service provider's need to grow broadband services. The VSC9195 supports that strategy by targeting the next logical step in capacity at the chip level, with an aggregate bandwidth of over 340 Gb/s and STS-1 granularity, giving OEMs access to a record switching capacity of 6,528 STS-1 channels in a single monolithic IC over twice that of currently available solutions.

This increase in switch density means that line card capacity can be boosted from 10 Gb/s up to 40 Gb/s per card, which translates to dramatically more compact, lower power, and lower cost systems. Cost savings from reduced chip counts can range from many thousands to tens of thousands of dollars, depending on the overall system capacity, and at less than half the power per port over other currently available lower density devices.

Implementing the TFI-5 standard, the VSC9195 emphasizes interoperability; thereby maximizing the choices afforded the system designer in selecting and defining the hardware that interfaces to the VSC9195. Its fully non-blocking memory based switch core allows fast, single-step programming that eliminates the need for complex programming algorithms, thereby shortening overall development cycle time. The integrated bit-slicing functionality contributes to reduced chip count and lower cost of larger fabric configurations. Dual overhead ports and a high-speed programming interface facilitate tight coupling between the VSC9195 and the controller, enabling system developers to add value by implementing their own proprietary functions, such as custom automatic protection switching and in-band messaging algorithms.

The VSC9195 also offers a unique feature that allows it to pass through non-SONET protocols transparently on a per channel basis. Transparent mode allows the VSC9195 to simultaneously carry and switch multiple traffic formats, making it the first STS-1 TSI switch that can directly interoperate in packet and virtual tributary (VT) switch environments, contributing to the new level of system capabilities for the OEM.

"Our customers need to build switching systems to reach multi-Terabit capacity in order to handle the demands of broadband services, and Vitesse is providing them with powerful standards- based solutions that make it possible," said Gary McCormack, Vitesse's circuit switch product line director. "With the introduction of the VSC9195, Vitesse continues to lead the market in high-density switching that delivers the most cost effective, flexible, and scaleable solution for TDM grooming on the market."

Pricing and Availability
In volume quantities, the VSC9195 (136 x 136) is priced at $1,200 per unit. These products can be purchased directly from Vitesse or through the company's designated distributors and representatives. General availability will be in the first quarter of 2004.

About Vitesse
Vitesse is a leading designer and manufacturer of innovative silicon solutions and optical devices used in the networking, communications, and storage industries worldwide. Vitesse works to specifically address the requirements of system designers and OEMs by providing high-performance, integrated products that are ideally suited for use in Enterprise, Access, Metro, and Core applications. Additional company and product information is available at

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