JDSU Selected by AboveNet to Provide 10 Gigabit Ethernet Testers

Milpitas, Calif., October 24, 2006 – JDSU today announced it has been selected by AboveNet, Inc., a leading provider of fiber based connectivity solutions for businesses and carriers, to ensure the reliable delivery of its high-bandwidth 10 Gigabit Ethernet (10 GigE) services. AboveNet purchased JDSU’s all-in-one Transport Module for its T-BERD/MTS-8000 platforms, the industry’s first integrated Ethernet field solution. An important complement to the existing T-BERD/MTS-8000 product line, the Transport Module supports Ethernet and SONET/SDH testing in one of the industry’s most innovative test solutions.

The Transport Module will enable AboveNet, which owns and operates fiber optic networks in major metropolitan areas, to efficiently deploy its 10GigE services. The lightweight module (less than 15 pounds/seven kilograms) will also help AboveNet quickly and reliably test its customers’ 10 GigE links and integrate them with other services and providers as needed.

"JDSU demonstrated a best-in-breed 10 GigE test platform that not only meets today’s demands, but can also grow with our future needs," said Doug Jendras, senior vice president of operations for AboveNet. "In addition, AboveNet prides itself on providing outstanding customer service. To help meet that challenge JDSU is also providing superior on-site and local support and training for AboveNet and its customers."

JDSU recently enhanced the Transport Module to support simultaneous multi-circuit testing, next-generation networks based on Q-in-Q (also known as VLAN stacking), VPLS and MPLS technologies, and 1G/2G Fibre Channel (FC) field test applications. The Transport module already offers the only all-in-one test solution for SONET, SDH, PDH, T-carrier, Ethernet/IP, FC and MPLS networks and includes packet jitter. The product is designed to meet the needs of operators deploying and maintaining transport and data services as well as metro network elements.

“Enterprises are rapidly scaling their networks to 10GigE performance levels, and AboveNet is a provider that is meeting and exceeding the bandwidth demands of its customers worldwide,” said Jerry Gentile, general manager of JDSU’s Telecommunication Field Services (TFS) Communications Test and Measurement group. “Our Transport Module enables the rapid and cost-effective deployment of this new technology and we look forward to working with AboveNet to ensure the flexibility and continued innovation of its industry-leading services.”

JDSU’s T-BERD/MTS-8000 Transport Module is part of JDSU's industry leading Metro Ethernet test portfolio, which includes the most comprehensive range of Ethernet instruments, systems and software required by customers to successfully deliver next-generation broadband services.

About AboveNet, Inc.
AboveNet, Inc. provides fiber connectivity solutions for businesses and carriers. Its private optical network delivers key network and IP services in and between 14 top U.S. metro markets and London. AboveNet's network is widely used in demanding markets such as financial services, media, health care, retail and government.

About JDSU
JDSU (NASDAQ: JDSU; and TSX: JDU) is committed to enabling broadband & optical innovation in the communications, commercial and consumer markets. JDSU is a leading provider of communications test and measurement solutions and optical products for telecommunications service providers, cable operators, and network equipment manufacturers. Furthermore, JDSU is a leading provider of innovative optical solutions for medical/environmental instrumentation, semiconductor processing, display, brand authentication, aerospace, defense and decorative applications. More information is available at www.jdsu.com.

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This news release contains forward-looking statements that involve risks and uncertainties. Factors that could cause or contribute to such risks and uncertainties include, but are not limited to, general economic and business conditions, competition, changes in technology and methods of marketing, and various other factors beyond the Company’s control. This also includes such factors as are described from time to time in the SEC reports filed by AboveNet, Inc. including the most recently filed Forms S-3 and 8-K.