JDSU Introduces Industry-First 30 MHz Bandwidth (VDSL2) Test Capability to Support IPTV Deployment over FTTx Networks

JDSU today announced the addition of a 30 MHz (VDSL2) copper test option, available as a field upgrade to existing units, to the widely adopted HST-3000 handheld triple-play services tester.

Milpitas, California and Chicago, June 6, 2006 � JDSU today announced the addition of a 30 MHz (VDSL2) copper test option, available as a field upgrade to existing units, to the widely adopted HST-3000 handheld triple-play services tester. Specifically designed to meet the test needs of field technicians who install and maintain VDSL access networks, the HST-3000 now enables the deployment of higher bit-rate triple play services, including IPTV and HDTV. The HST-3000 is also designed to address the challenges of deploying VDSL, typically the "last mile" technology in FTTx networks, across copper networks. The product will be introduced at GlobalComm 2006 in Chicago, June 4-8 (booth 67040).

The JDSU HST-3000 meets the test applications required by field technicians responsible for access network service installation and maintenance. It is designed to provide maximum flexibility, through software options and field swappable "service interface modules" or SIMs, to meet specific work group needs. The HST-3000 can be easily upgraded as technology evolves and its automation features improve work force efficiency in the more complex environment of triple-play service support.

Challenges associated with the deployment of VDSL services emerge because the VDSL technology uses frequency bands in the copper plant outside of the current ADSL usage spectrum. This makes VDSL services more susceptible to impulse noise (unwanted electrical signals of short duration) and short bridge taps. Bridge taps are copper wires connected to, but not part of, a direct electrical path between the central office and the user premise. Detection of short bridge taps 20 feet to 100 feet in length is critical because they dramatically impact digital services carried across copper lines by introducing unwanted disturbances that increase electrical loss.

"Service providers are introducing IPTV to a growing number of markets, with service levels and reliable performance fast becoming the differentiating factors," said Jerry Gentile, general manager of JDSU's telecommunication field services (TFS) Test and Measurement group. "The addition of VDSL copper test functionality to the HST-3000 puts greater testing power in the hands of field technicians to address the challenges of IPTV deployment."

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 and defense applications, and decorative. More information is available at www.jdsu.com.

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The statements contained in this press release that are not purely historical are forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Act of 1934. Such forward-looking statements include, but are not limited to, any statement or implication that the products described in this press release (i) will be successfully introduced or marketed, (ii) will be qualified and purchased by our customers, or (iii) will perform to any particular specifications or performance or reliability standards. Such forward-looking statements involve risks and uncertainties that, if realized, could materially impair the Company's results of operations, business, and financial condition. These risks and uncertainties include, but are not limited to, (a) the failure of the products (i) to perform as expected without material defects, (ii) to be manufactured at acceptable volumes, yields, and cost, (iii) to be qualified and accepted by our customers, and (iv) to successfully compete with products offered by our competitors, and (b) factors discussed from time to time in reports filed by the Company with the Securities and Exchange Commission. The forward-looking statements contained in this news release are made as of the date hereof, and the Company does not assume any obligation to update or qualify any of the statements made herein. Source: JDSU.

JDSU Media: Nick Rowan, Public Relations, 240-404-1924 or nick.rowan@jdsu.com

JDSU Investors: Jacquie Ross, Investor Relations, 408-546-4445 or

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