H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 3/52 (2006.01) H04M 11/06 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 2245253
An exchange (12) has a cross-point switch that is arranged to couple data transmission between subscriber terminals (16, 18), each having a dedicated modem (34), and at least one assignable modem (148) located in the exchange (12). The exchange (12) comprises fewer assignable modems than a combined number of dedicated modems within the subscriber terminals (16, 18) and, since the cross-point switch (106) is responsive to the data transmission sent via the modems of the subscriber terminals, the cross-point switch (106) thereby acts to concentrate a ratio of dedicated modems to assignable modems.
L'invention est constituée par un central (12) comportant un commutateur de croisement installé de façon à assurer la transmission des données entre des terminaux d'abonné (16, 18) ayant chacun un modem dédié (34), d'une part, et au moins un modem assignable (148) installé dans le central (12) d'autre part. Ce central (12) comprend moins de modems assignables que le nombre total des modems dédiés dans les terminaux d'abonné (16, 18) et, étant donné que le commutateur de croisement (106) a réagi aux données transmises par l'intermédiaire des modems des terminaux d'abonné, il intervient pour réduire le rapport des modems dédiés aux modems assignables.
Dyke Peter John
Lewis Andrew Paul
Unitt Brian Michael
Nortel Networks Limited
Northern Telecom Limited
Smart & Biggar
LandOfFree
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