Qwest To Deploy Tellium Aurora Optical Switch, expands strategic relationship

May 3, 2001--Tellium, provider of an in-service, intelligent optical switch, announced Qwest Communications International Inc. has successfully completed testing of its Aurora Optical Switch and will deploy the core grooming 512-port switch as part of its all-optical OC-192c Internet network.

Tellium, provider of an in-service, intelligent optical switch, announced Qwest Communications International Inc. has successfully completed testing of its Aurora Optical Switch and will deploy the core grooming 512-port switch as part of its all-optical OC-192c Internet network.

The two companies announced they have agreed to expand their multiyear strategic relationship announced last September that will support Qwest's deployment of a next-generation all-optical broadband Internet network. Tellium's core optical switches will be deployed as part of Qwest's all-optical network initiative, which exploits the latest in optical technology to significantly reduce operating costs and to provide customers with unprecedented capacity at a lower cost. Terms of the contract expansion were not announced.

Qwest also plans to evaluate additional Tellium equipment, including its third-generation platform, the Aurora Full-Spectrum switch currently in development. The Aurora Full-Spectrum switch is being developed to provide customers with a migration path from Tellium's current family of optical switches, combining all-optical switching with the electronic control and processing of today's Aurora Optical Switch to enable carriers to scale in port count, bit rate per port, and raw capacity.

The Aurora Optical Switch offers carriers of telecommunications services the flexibility of supporting up to 512 OC-48c/STM-16 ports or 128 OC-192c/STM-64 ports to a total of 1.28 Terabits-per-second (Tb/s) bi-directional traffic. The switch can be used in either SONET or SDH optical mesh network architectures. OC-192 connections in the Aurora Optical Switch are currently available and shipping to customers.

About Tellium:

Tellium delivers high-speed, high-capacity, intelligent core optical solutions, that empower service providers to create, www.tellium.com.

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