| 摘要 |
An apparatus controls the operation mode of a time division switching device selected from two incorporated in an electronic switching system for reliability thereof. Mode information representing previous operation modes of the two time switching devices is received and processed to issue a first and a second mode control signals. Thereafter, status of each component in the selected switching device and a power from a power supply in the unselected switching device are analyzed to produce each component status information and power status information. Next, an initial duplexing control signal is obtained based on each component status information, the first and the second mode control signals, and the power status information. Finally, a duplexing control signal is derived based on each component status information, the mode information, the power status information, the initial duplexing control signal, and each component status information from the unselected switching device, to provide the generated duplexing control signal to the selected switching device, thereby controlling the operation mode thereof to operate in an active or inactive mode.
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