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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here -- Ignore unavailable to you. Want to Upgrade?

To: rich evans who wrote (6901)	5/3/2000 4:42:00 PM
From: DenverTechie	Read Replies (1) \| Respond to of 12823

It may be Charter's answer, but it was Time Warner's answer several years ago. In fact, this is the exact architecture that Time Warner has implemented and will have in place in 90% of its nationwide systems by year end 2000. However, it is always very difficult to specify an absolute maximum node size like this 500 and I'm sure Charter makes exceptions all the time. It is the nature of broadband HFC design that occasionally you exceed the target size. TW typically also installs 4 to 6 fibers per node (4 in older systems, 6 in newer systems) and activates 2 to start. TW also segments the nodes using spare fiber when needed, but usually stops at 125 homes per node for economic reasons. AT&T (old TCI) uses their Lightwire system (mini-nodes) with no actives after the node to get down to the 60 to 75 homes passed number. They also use DWDM in the backbone for transport and narrowcasting for ad insertion to specific neighborhoods. This is all probably more than you wanted to know, but the point is that Charter is not alone in this type of state-of-the-art architecture and others have actually been putting them in their systems for years.