Inter-office data exchanging system


PURPOSE: To handle uniformly a voice and data, and to utilize effectively a transmission channel by connecting a data exchange interface device to a data terminal equipment through a time division switch. CONSTITUTION: The connection of this system is constituted so that a data exchange interface device 5 having a function required for exchanging a data extending over offices is placed between a data terminal equipment 2 and a digital interface device 4 through a time division switch 3. According to its constitution, it can be made unnecessary to assign a channel separately in order to transmit the voice and the data, respectively, and to add a special function to the digital interface device, the voice and the data can be handled uniformly, and a transmission channel can be utilized effectively. COPYRIGHT: (C)1987,JPO&Japio




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