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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here
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To: drmorgan who wrote (1613)7/21/1998 11:46:00 AM
From: DenverTechie   of 12823
 
DM -- You have hit on one of the fundamental problems with current ADSL/RADSL telephone company architectures that is somewhat perplexing. The customers that can pay for the service are in many cases located in suburbs served off Digital Loop Carriers (DLCs) that are not RADSL compatible and so can't pass the signal. These are expensive pieces of gear to replace, so the phone company doesn't just go out and change them out.

This dilemma is why there have been many joint ventures and alliances formed in the ADSL world with DLC suppliers. Almost every day, either an xDSL or DSL supplier announces a deal that they are compatible with the other's equipment. Over a period of time, the equipment in any given DLC will be able to work with a given set of ADSL modems. We are not anywhere near that now. Some new DLCs will come equipped from the get go with circuit packs that can pass the xDSL signal. That will effectively expand the available serving area for these services. Eventually, the old DLCs will be upgraded and be made backward compatible with the xDSL service. But there are many thousands of DLCs out there that need to be retrofitted before the service can be offered on a ubiquitous basis.
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