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Non-Tech : Amati investors

AMTX 1.710

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Feb 3 3:59 PM EST

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To: Don Rohner who wrote (3445)	9/5/1996 12:03:00 AM
From: Steve Macica	of 31386

Hi Don, >> Also being a layman I can freely be ignorant, with I hope, your understanding. I would have thought that power cost to the Telco's would be in terms of (Metgabits/subscriber)/Watts(Amati might be able to service two-subscribers vs Westel's one) and that the central hub modem could handle more than one customer line, thus making Amati's expected 4-5 Watts more cost effective than Westel. In addition at the subscriber end that the modem would operate off of public utility as they do now. Hope you don't mind if I take a stab at your comments on power. There is an ADSL modem both at the subscriber end and at the Central Office (CO). The modem at the CO will be a printed circuit board (called a line card) that plugs into a card cage, this card cage contains many line cards. Ideally, the RBOC would like to have more than one channel or ADSL modem per line card. Total power dissipation per channel and the number of chips per channel will set the channel density limit per line card. Real-estate at the CO is always at a premium. The cost of the power consumed by the ADSL channel and to cool the circuits is a secondary concern (the customer will pay for that).

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