X.25 network connection for X.25 protocol communication used in a full electronic switching system
作者： Hyeon-Sik Kim
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摘要: An X.25 network connection for protocol communication used in a full electronic switching system comprises: microprocessor; interface circuit provided with controller serving as master or slave relative to main bus convert the packet data from into IPC format which is transferred system; plurality of circuits, each network; memory temporarily storing and circuits under control MPU controllers; program application programs thereof memory, analyze data; controlling input/output direction addresses internal while preventing collision through bus.
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