The latest reset cause of the board.
0x00000000 - There is no reset record of the board.
0x02000000 - The communication with the control board is abnormal.
0x02000165 - COM user delivers board reset command.
0x02000167 - NMS user delivers board reset command.
0x02000169 - Telnet user delivers board reset command.
0x0200016b - User add board manually.
0x020000a1 - The board temperature is too high, which causes the shutdown of the board.
0x02000173 - The board resets because the working mode is changed.
0x02000181 - The service board is automatically shut down when it is not configured with any service.
0x02000182 - The service board is automatically shut down when the mains supply is interrupted.
0x020001b5 - The board is loosened or is removed forcibly.
0x0700000a - The active/standby switchover command is manually delivered.