| 摘要 |
<p>Provided are a clock switchover method and device. The method includes: detecting whether a master system clock received by a service single board is interrupted; if the master system clock received by the service single board is interrupted, then switching the master system clock over to a standby system clock; and transmitting the standby system clock to the service single board. The present invention solves the problem in the prior art that the master and standby system clock cannot be switched over if a clock signal is interrupted, thus avoiding service interruption or abnormal operation of a single board due to the master and standby system clock being abnormal, and improving the operational reliability of the device.</p> |
