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Technology Stocks : ADSL (G-Lite) for dummies - AWRE,PAIR,ORCT,ASND,COMS,NN

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To: tom jones who wrote (134)3/12/1999 3:16:00 AM
From: John Stichnoth  Read Replies (1) of 201
 
I'll try some answers. More technically competent people please check my answers.

Will there be one ADSL chip or box for each telephone line?

Yes. But, one telephone line can support many machines through a local network.

What is on the other side of the ADSL equipment?

A DSLAM--DSL Access Multiplier--is installed in the central office.

Is there concern for shared bandwidth there like cable?

The limitation seems to be the number of ports the DSLAM carries. I've seen advertisements for 96 ports. The cable shared-bandwidth problem does not seem to be an issue for DSL.

Is it always the telephone company's ADSL equipment and why would they put this equipment on your line if you are using an internet service provider other then the telephone company?

The telephone companies must by law allow access to their central offices to competitive local exchange carriers (CLECs) and other vendors, who place their equipment to connect with their customers. The telephone company then provides the necessary connections to the vendor's equipment.

When AOL was in such hot water because people couldn't get in, or their connections were lousy, it wasn't all AOL's fault. The telephone company often wasn't supplying enough lines, or was providing degraded lines to AOL. (Though AOL knew this and still kept selling more subscriptions).

Is ADSL just for internet connections?

It's designed to carry data, and expand the amount of information that can be carried over a phone line. It doesn't have to be internet, but that is what the telephone company buildouts are aiming at. The original DSL's, like HDSL, were not internet at all--they were used in campus situations like colleges or businesses. Campus installations remain a viable business. PAIR was and remains the leader in HDSL, and is the only profitable DSL vendor because of its strong position in this part of the market.

Recently there has been some news about interoperability of ADSL equipment. Does this mean all the ADSL companies are on the same footing and the telephone companies can choose any ADSL equipment and it will work with the others?

There's some confusion on this. The aim is to arrive at a standard. My understanding is that each company wants to proclaim its variation as meeting whatever will be the eventual standard. Thus, they proclaim "interoperability" with another (prominent) company's equipment to show that they can be safely purchased by a customer that is using the other company's equipment. The telephone companies of course want a standard, so they can commoditize the market and drive down prices.

The best ADSL product will win???

See above. Cost is a very important factor.

Best,
JS
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