Mechanism for transporting digital pots signals within framing s

Details Mechanism for transporting digital pots signals within framing s Mechanism for transporting digital pots signals within framing s

1996-08-19

1999-06-01

Olms, Douglas W.

Multiplex communications

Communication techniques for information carried in plural...

Adaptive

370476, 370477, 370538, 370914, 370485, 379399, H04J 316, H04J 322

Patent

active

059094451

ABSTRACT:
A local subscriber loop architecture embeds digitized POTS signals into the framing format of high bit rate digital subscriber loop signals being transported over a local loop for serving both subscriber digital terminal equipment and a POTS telephone. The remote transceiver unit is line-powered from the central office unit, facilitating installation of a reliable (office-powered) POTS interface (containing codec and subscriber line interface circuitry providing BORSHT functions) into the remote unit. The data rate of the added digital POTS signal is relatively small with respect to the data rate of the DSL channels, so that there is only slight increase in the overall data rate. As a consequence, adding the digital POTS signal has negligible impact on transport range. Moreover, the high-complexity analog filters used in an FDM architecture to separate the POTS signal from the DSL signal are not required

REFERENCES:
patent: 5111497 (1992-05-01), Bliven et al.
patent: 5579323 (1996-11-01), Krisher
patent: 5610922 (1997-03-01), Balatoni
patent: 5771236 (1998-06-01), Sansom et al.
patent: 5805600 (1998-09-01), Venters et al.

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