Patent ID: 9337892
Filing Date: 2016-05-10
CPC Classification: G06F,H04B,H04L

Claim Text:
1. A method for switching a main board and a standby board that respectively comprise a plurality of Micro Controller Units (MCUs), comprising: determining one MCU of the plurality of MCUs in the main board as a first main MCU and remaining MCUs as auxiliary MCUs; and determining one MCU of the plurality of MCUs in the standby board as a second main MCU and remaining MCUs as auxiliary MCUs; determining, by the first main MCU, a fault grade of the main board according to faults in the auxiliary MCUs of the main board and faults in the first main MCU; determining, by the first main MCU, a fault grade of the standby board according to faults in the auxiliary MCUs of the standby board and faults in the second main MCU reported by the second main MCU; and switching the main board and the standby board according to the fault grade of the standby board and the fault grade of the main board; wherein MCUs belonging to one board are all in main states or all in standby states.