| 摘要 |
An arrangement for controlling a large time slot interchange (TSI) unit. The TSI unit is a single stage unit for interconnecting any incoming time slot with any outgoing time slot. No blockage is incurred in such a single stage switch. A plurality of module processors is used each for controlling a group of TSI slices, the size of the group being selected to match the capabilities of the module processor. The module processors communicate with each other in order to cooperate in setting up connections through the TSI unit. Each module processor processes terminating, originating, incoming or outgoing processes for calls connected to the terminals served by the module processor. Advantageously, a large non-blocking TSI unit is made available for serving a large switching system without incurring blockage. Moreover, the TSI unit and its complement of module processors can be arranged to grow in a cost effective manner from a relatively small unit to a unit that is near the largest size practical switching system.
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