Is the System Clock Correct After the Switch IS Powered Off

Versions Earlier Than V100R006
The system clock of the switch is implemented by the software. The system saves the system
clock if the switch is powered off and restarted manually. If the switch is powered off due to a
power failure, the system time is restored to the factory setting.

V100R006 And V200R001
The system clock of Huawei S3700HI&S5700HI&S6700 like 48 ports 10G Switch S6720-54C-EI-48S is implemented by the hardware. The system obtains the clock from the hardware if the switch is powered off and restarted manually. The system clock of other models except the S3700HI&S5700HI&S6700 is implemented by the software. The system saves the system clock if the switch is powered off and restarted manually. If the switch is powered off due to a power failure, the system time is restored to the factory setting.

V200R002 And V200R003
The system clock of the S5700HI&S6700 is implemented by the hardware. The system
obtains the clock from the hardware if the switch is powered off and restarted manually. The
system clock of other models except the S5700HI&S6700 is implemented by the software.
The system saves the system clock if the switch is powered off and restarted manually. If the
switch is powered off due to a power failure, the system time is restored to the factory setting.

V200R005 And Later Versions
The system clock of Huawei S5700 and Huawei S6700 is implemented by the hardware. The system obtains the clock from the hardware if the switch is powered off and restarted manually. The system
clock of other models except the S5700HI&S6700 is implemented by the software. The system saves the system clock if the switch is powered off and restarted manually. If the switch is powered off due to a power failure, the system time is restored to the factory setting.