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Arrangement and method for switching the electronic subsystems of a common control communication switching system without interference to call processing
Arrangement and method for switching the electronic subsystems of a common control communication switching system without interference to call processing
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机译：用于在不干扰呼叫处理的情况下切换公共控制通信交换系统的电子子系统的装置和方法
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摘要
In a common control communication switching system, an arrangement for switching the electronic subsystems of the common control in the event of a failure, without interference to call processing. In the system, the electronic subsystems include duplicated, synchronously operated logics and associated memories, with one only one logic being on line and communicating with the space shared subsystems of the system and its associated memory. The other logic is on standby and communicates only with its associated memory. A system time interval is established during which the on line logic is not communicating with the space shared subsystems and during which no data is transferred between the memories and the logics. In the event of a failure of a logic or memory, switching to the other logic and/or memory is accomplished during the established system time interval, so that the communication with the space shared subsystems is not effected.
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