Multiplex communications – Channel assignment techniques – Details of circuit or interface for connecting user to the...
Reexamination Certificate
2006-04-04
2006-04-04
Duong, Frank (Department: 2666)
Multiplex communications
Channel assignment techniques
Details of circuit or interface for connecting user to the...
C370S493000, C375S222000, C379S093010
Reexamination Certificate
active
07023875
ABSTRACT:
An xDSL (x-Digital Subscriber Line) signal is multiplexed with POTS on a twisted pair between a subscriber modem and line termination equipment in a shelf that also includes network termination equipment for connection to a broadband network. The line termination and network termination equipment are interconnected by a bus internal to the shelf for providing subscriber access. Separate lowpass filters are provided at each end of a twisted wire pair between the shelf and each subscriber equipment. A shelf can be used as a hub for connecting to a remote shelf that includes the line termination equipment for connection to subscribers.
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“Asymmetric Digital Subscriber Line: Interim Technology for the Next Forty Years”, Kim Maxwell, IEEE Communications Magazine, Oct. 1996, pp. 100-106.
Bailey Richard H.
Boeykens Eduard C. M.
Borowski Emmanuel F.
Czerwiec Richard M.
De Wulf Koen A. G.
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