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Datasheet page: https://vutlan.atlassian.net/wiki/spaces/DEN/pages/2903736321/VT825t
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Normal mode: The switch is switched to the left ←. The switch should be always in this position.
Restore of appliance: The switch is switched to the right →. Used to load the clean system image from an SD card. Read the instructions at “Restore of appliance”.
22. "SD card" - MicroSD card slot with an ejector. The card is needed for data storage or the "system restore". Read instructions at "Saving system logs to SD card", and "Restore of the appliance (for VT960 series)".
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