| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain an ATM switch with a small input and output number with a structure much more adaptive to the use of an integrated circuit. SOLUTION: All the required storage buffer areas are in existence in a memory 1 used in common for all input and output channels 24, 25, and the connection between the channel and the memory 1 is established by a synchronization bus 3. A time assignment on the bus 3 is designed over a wide band network such that a sufficient time slice for transfer of complete data cells between an input or output and the memory 1 is assigned to each input and output within a transmission time of the data cells according to the ATM reference, for example. The memory 1 is divided fixedly to a buffer area of the same size. Through the simple time assignment of the bus 3 in this way, pluralities of input and output channels are combined with input/output units 5, 6. A low price standard memory device is used for the memory 1.</p> |
