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Xtend channels T-1 over DOCSIS

Tue, 11/30/2004 - 7:00pm
Staff

Xtend Networks has added T-1-over-DOCSIS capabilities to its cable broadband platform.

The system is comprised of two components: a device that sits in the headend and resembles a cable modem termination system (CMTS), and a subscriber-side modem. Xtend's V3000 E-1/T-1 Broadband Hub handles inbound T-1 traffic, but outputs information in DOCSIS format. Other applications for the V3000 include cellular voice and wireless data hotspot backhaul and VoIP services.

Vyyo Inc., Xtend's parent company, originally developed the product.

A cable operator should be able to achieve payback in four to six months with a fully loaded platform with 24 business customers, notes Ron Shani, Xtend's vice president of marketing.

Offering T-1 services over the cable plant is not Xtend's idea alone. Scientific-Atlanta recently launched BroadLAN, a proprietary system that emulates T-1 over coax in the 5 MHz to 15 MHz range.

Xtend's T-1 over DOCSIS platform complements the company's line of cable plant capacity products, which give operators the ability to expand spectrum from 1 GHz to 3 GHz. In deployments, cable operators are required to add amplifiers capable of the higher spectrum and to replace passive elements such as splitters and taps.

At this point, Xtend's traction in this area is tied to commercial service deployments. Cox Communications has already agreed to test the platform in support of its business services efforts.

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