H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/25
H04Q 11/04 (2006.01) H04J 3/02 (2006.01) H04L 12/64 (2006.01)
Patent
CA 1179754
Abstract of the Disclosure An asynchronous time division multiplex switching network for multiservice digital network has a plurality of time division multiples bidirectional highways conveying digital data arranged in a hydrid frame including a time slot part and a packet channel part. The time slot part is formed of a plurality of time slots containing sample words having a variable number of bits and the packet channel part is formed of a plurality of channels for packets having a variable number of bits. A plurality of data transmit and receive stations are connected to and associated with said bidirectional highways. A plurality of buses connect- the transmit and receive stations therebetween and selectively interconnect an originating bidirectional highway to a terminating bidirectional highway through an originating and a terminating transmit and receive stations. An arrangement in each transmit station converts the sample words in the time slot part of the hybrid frame and the packets in the packet channel part of the hybrid frame of an originating highway into a message including, for the sample word in each time slot, the sample word, its number of bits, the address of the terminating highway, the number of the time slot in the hybrid frame of said terminating highway, and a first sort-of-data indicator marking sample words, and, for the packet in each packet channel, the packet, its number of bits, the address of the terminating highway, the number of the packet channel in the hybrid frame of the terminating highway and a second sort-of-data indicator marking the packets. An arrangement transmits the messages from the originating highway to the terminating highway. An arrangement in each receive station for deletes from the messages the number of bits of the sample words and packets, the address of the terminating highway, the number of the time slots and packet channels and the first and second data indicators. An arrangement memorizes the time slot and packet channel numbers and the first and second data indicator. The sample words and packets depending on the time slot and packet numbers and data indicators are inserted in the hybrid frame of the terminating highway.
396648
Devault Michel
Quinquis Jean-Paul
Rouaud Yvon
Devault Michel
Marks & Clerk
Quinquis Jean-Paul
Rouaud Yvon
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