Interface for an asymmetric digital subscriber line transceiver

Details Interface for an asymmetric digital subscriber line transceiver Interface for an asymmetric digital subscriber line transceiver

1996-09-30

1998-10-20

Nguyen, Chau

Multiplex communications

Communication over free space

Using trunking

370343, 370486, 370375, H04J 106

Patent

active

058257683

ABSTRACT:
An interface (50) for a transceiver (5) for use in an asymmetric digital subscriber line (ADSL) system includes a routing table (200) which includes addresses of locations in a frame memory (150). When the transceiver (5) is operated as a central office transmitter input port data is received from several input ports. The routing table (200) addresses assign locations in the frame memory (150), corresponding to channels in the ADSL frame, which may be arbitrarily assigned. A control circuit (148) services the input ports by transferring data between the input ports and the address selected by the routing table (200). When operated as a remote terminal receiver, the transceiver (5) uses a routing table addressing the system except that the ports become output ports and frame memory (150) locations provide data to the output ports.

REFERENCES:
patent: 5247347 (1993-09-01), Litteral et al.
patent: 5495483 (1996-02-01), Grube et al.
patent: 5519708 (1996-05-01), Van der Veen
patent: 5533008 (1996-07-01), Grube et al.
patent: 5534912 (1996-07-01), Kostreski
Alliance for Telecommunications Industry Solutions, "Asymmetric Digital Subscriber Line (ADSL) Metallic Interface", Draft American National Standard for Telecommunications, Network and Customer Installation Interfaces, T1E1.4/94-007R7, pp. i-xii and pp. 2-171, 1994.

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