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To: MikeM54321 who wrote (2498)12/8/1998 8:07:00 PM
From: DenverTechie  Respond to of 12823
 
The Terayon cable modem system provides high speed access on non-HFC upgraded systems and works quite well.

Another way to provide two way cable modem service if the system has not been upgraded to two way HFC is to use what are called telephone return cable modems. High speed download on the one-way cable network, then relatively low speed upload to telephone modems using dial up. There are several of the telephone return cable modem systems in place all over the US on non-HFC upgraded plant. Some of these are even on upgraded HFC plant that has not had the time or funds to activate their return path yet. Generally, the telephone return modems can be changed to two way cable service, high speed both directions by software command from the headend when the return path on the cable network is activated.



To: MikeM54321 who wrote (2498)12/9/1998 9:35:00 PM
From: Hiram Walker  Read Replies (1) | Respond to of 12823
 
Mike, the 2 -way systems over coax are done using s-CDMA return path signaling from Terayon. Mexico,Japan,Belgium and some companies in the US are using Terayon 2-way over coax. The s-CDMA looks like it is going to be a standard for return path transmission by Cable Labs.
Here is a listing for Terayon, the only viable 2-way coax system to me.
biz.yahoo.com

Zaki Rakib continued, ''In the quarter, Terayon has continued to win international business, including deployments by the largest cable MSOs (multiple systems operators) in Japan, Mexico, and Brazil. Japan's largest cable operator, Jupiter Telecommunications, Inc., a joint venture of TCI International and Sumitomo Corporation, has announced the deployment of Terayon products across their networks. In Latin America, Terayon continued to build a strong market footprint, following deployment wins with Megacable, Mexico's largest cable operator, and Brazil-based Globocabo, Latin America's largest media company.''

Dennis Picker, Terayon's Chief Operating Officer, added, ''In the quarter, we completed manufacturing qualification for our new lower cost single-board modem, which we are shipping in volume this month. By the middle of the fourth quarter this year, we expect to complete the transition to this new, cost-effective modem product.''

Terayon's systems are based on S-CDMA (Synchronous Code Divisio

Hiram