| 摘要 |
PURPOSE: To speed up the processing of a control signal from a CPU to perform the input/output control, the storage/readout in/from buffer memory and distribution/concentration to plural input/output circuits, etc., of an ATM multiplex signal. CONSTITUTION: An interface 9 in which an entry sequence output memory device is arranged is provided between a central processing control unit 8 and a control circuit 6, and the control signal of the central processing control unit 8 is stored transiently in the entry sequence output memory device, and the control signal stored in the entry sequence output memory device is sent out to the control circuit 6 corresponding to the processing speed of the control circuit 6.
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