ONI Systems introduces new tunable amplifiers and dispersion compensation capabilities for metro and regional networks

July 30, 2001--ONI Systems Corp., a provider of optical telecommunications systems for metropolitan and regional networks, announced the tunable variable gain optical amplifier and the dispersion compensation module.

ONI Systems Corp. (NASDAQ: ONIS), a provider of optical telecommunications systems for metropolitan and regional networks, announced two new modules for its ONLINE product family: the tunable variable gain optical amplifier (VGA) and the dispersion compensation module (DCM). The VGA and DCM modules will be provided by Corning Incorporated (NYSE: GLW), one of ONI's key suppliers.

The VGA, a new module fully integrated into the ONLINE transport platform, allows optical gain to be automatically tuned to optimal values depending on network topology and configurations. Coupled with the ONLINE transport platform's real-time signaling and control mechanisms, the VGA enables dynamic, network-wide gain adjustment to maximize system optical performance within milliseconds of any network change.

The DCM is a new optical module that optically "corrects" the effect of chromatic dispersion, a property of transmission fiber that causes light pulses to smear and limits the bit-rate and transmission distance.

The introduction of VGA and DCM capabilities significantly extends the distance that OC-192/STM-64 optical signals travel before requiring regeneration. Both the VGA and DCM are targeted for metro and regional applications and enable carriers to build larger, more flexible 10 Gb/s DWDM networks at lower infrastructure cost as well as upgrade current networks from 2.5 Gbps.

The ONLINE platform provides dynamic power management, choice of shared or dedicated optical protection schemes (O-UPSR and O-BLSR), multi-service client interfaces (Gigabit Ethernet, Fibre Channel, OC-48 and OC-192), flexible add/drop capabilities and sub-wavelength service grooming. With the newly introduced VGA and DCM modules, the platform enables carriers to support OC-192 wavelengths to distances greater than 300 kilometers over standard fiber spans without regeneration.

About Corning Incorporated:

Established in 1851, Corning Incorporated manufactures optical fiber, cable and photonic products for the telecommunications industry; and high-performance displays and components for television, information technology and other communications-related industries. For more information, visit www.corning.com.

About ONI Systems:

ONI Systems (NASDAQ: ONIS) develops, markets and sells optical networking equipment specifically designed to address bandwidth and service limitations of regional and metropolitan networks. For more information, visit www.oni.com.

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