Scientific Atlanta previews D-PON architecture

JUNE 13, 2007 -- At next weeks' Cable-Tec EXPO, Scientific Atlanta will preview a new DOCSIS passive optical network (D-PON) architecture to enable operators to deploy cable-centric/cable-friendly fiber-to-the-home technology.

JUNE 13, 2007 -- At the upcoming SCTE Cable-Tec EXPO, to be held next week in Orlando, FL, Scientific Atlanta (search for Scientific Atlanta) will preview a new DOCSIS passive optical network (D-PON) architecture to enable operators to deploy cable-centric/cable-friendly fiber-to-the-home (search for FTTH) technology that does not require the significant changes to network management necessary with earlier FTTH cable architectures.

The Scientific Atlanta says its D-PON architecture provides a truly passive, migratable path to FTTH deployments for cable operators. The D-PON is especially beneficial for operators who need to deliver FTTH service for Greenfield developments, say company representatives. Using a 32-way split PON infrastructure, Scientific Atlanta enables cable operators to create an effective optical budget in both directions. Downstream, the D-PON uses 1550-nm technology to provide cost-effective forward optics to get to the side of the home. For the upstream traffic, technology developments at the optical network terminal (ONT) location will provide a cost-effective way to support very long distances, says the company. This helps the operator avoid having to insert costly, multiple actives into the network to amplify signals to compensate for any loss.

"We see the D-PON architecture as a valuable and cost-effective solution for cable operators as they respond to the fiber-to-the-premise requirements that most residential and commercial developers are defining for new planned communities and multi-use facilities," notes Mark Palazzo, vice president and general manager, Transport and Access Networks for Scientific Atlanta.

The technology will be on display at the Cisco/Scientific Atlanta Booth # 865 at the upcoming SCTE Cable-Tec Expo 2007 in Orlando, Fla., June 20-22 in the West Hall at the Orange County Convention Center.


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