H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 3/42 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2195436
A switch (25) for a service node (18) forming part of a telecommunications network (figure 1), having a switching matrix (32) and a plurality of line interface circuits (37). Each of the line interface circuits (37) includes a cross-point switch (47), a plurality of a first type of processing means (such as digital signal processors (52), and a second type of processing means, such as a microprocessor (38). The digital signal processors are connected to the cross-point switch (47) by a serial interface (56) suitable for receiving digitised speech signals. The microprocessor is connected to the cross-point switch via a parallel bus (57) and the cross-point switch includes means for facilitating a communication between the digital signal processor and the cross-point switch.
Système de commutation (25) dans un noeud de service (18) faisant partie d'un réseau de télécommunications (fig 1) comportant une matrice de commutation (32) et une série de circuits d'interface de lignes (37) comportant chacun un commutateur d'intersection (47), une série de moyens de traitement d'un premier type, p. ex. des processeurs de signaux numériques (52), et une série de moyens de traitement d'un second type, p. ex. des microprocesseurs (38). Les processeurs de signaux numériques (52) sont reliés au commutateur d'intersection (47) par des interfaces série (56) conçues pour recevoir des signaux vocaux numérisés. Le microprocesseur est pour sa part relié au commutateur d'intersection par l'intermédiaire d'un bus parallèle (57), tandis que le commutateur d'intersection comprend un moyen permettant d'établir une communication le reliant au processeur de signaux numériques.
British Telecommunications Public Limited Company
Gowling Lafleur Henderson Llp
LandOfFree
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