Quantum Bridge optical access system helps deliver broadband to Baltimore

July 20, 2001

July 20, 2001--Quantum Bridge Communications, Inc., a developer of optical access networking solutions, announced the activation of a large deployment of a Passive Optical Network (PON) architecture.

Quantum Bridge Communications, Inc., a developer of optical access networking solutions, announced the activation of a large deployment of a Passive Optical Network (PON) architecture for delivering flexible, high-speed services to business customers. Through the use of the Quantum Bridge Optical Access System, Comcast Business Communications (CBC) has enhanced the existing fiber infrastructure to support the economical delivery of fiber-based services to business customers of all sizes.

The activation of live customer traffic in the Baltimore market represents the first in a series of deployments, which will ultimately include similar build-outs in Pennsylvania, New Jersey, Virginia, and Michigan later this year. With this network now fully operational, CBC is able to deliver Internet, data, and voice services to business customers in and around the metropolitan Baltimore area.

About Comcast Business Communications:

Comcast Business Communications is principally engaged in providing integrated broadband communications to businesses, including Internet, data and voice solutions.

About Quantum Bridge Communications:

Quantum Bridge Communications, headquartered in Andover, Mass., is a provider of optical access systems designed to address the bandwidth bottlenecks in access networks. For more information, visit www.quantumbridge.com.