Multiplexing apparatus for transit of signals between service pr

Details Multiplexing apparatus for transit of signals between service pr Multiplexing apparatus for transit of signals between service pr

1997-08-15

2000-03-07

Nguyen, Chau

Multiplex communications

Pathfinding or routing

Through a circuit switch

370395, H04L 1256

Patent

active

060349549

ABSTRACT:
For reducing the scale of a multiplexer, a lower speed ATM interface block, an interface block for SDT mode circuit emulation, and an interface block for UDT mode circuit emulation perform processing for terminating services provided by lower speed transmission lines accommodated therein, and part of AAL processing, which is pre-processing depending on a service, for generating ATM cells from signals received by a terminated service, and send the processed signal to a higher speed line interface using a previously assigned time slot on a time-division bus. The higher speed line interface once stores the signals received from the time-division bus in a buffer, and subsequently performs certain processing including a common portion for respective signals for generating therefrom ATM cells in which the signals are stored in payloads. The generated ATM cells are multiplexed and transmitted onto a higher speed transmission line.

REFERENCES:
patent: 5535197 (1996-07-01), Cotton

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