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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 instructions at “Restore of appliance (for VT335i, VT825i, VT855i, VT960i & VT960ii series and VT855t series)”
7b. "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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A modem (point 12 in the picture above) can be installed (purchased separately) inside the system.
Extension | Photo |
|---|---|
VT740 | .png?version=1&modificationDate=1701079429369&cacheVersion=1&api=v2&width=637) |
Extending the number of sensors and devices connected to the system
Example | Picture | Link |
|---|---|---|
1 | .jpg?version=1&modificationDate=1708952454092&cacheVersion=1&api=v2&width=441) | You can connect CAN sensors and devices in a CAN bus chain. Read more at: |
2 | .jpg?version=1&modificationDate=1708952454125&cacheVersion=1&api=v2&width=441)  | VT408 / Analog sensor extenion unit increases a number of connected analog sensors. Each unit adds x8 ports. This is a CAN device. Multiple devices can be connected in a CAN bus chain. See example #1. Read more at: |
3 |  | Increases a number of connected dry contact inputs. Each unit adds x64 or x32 contacts. Read more at: VT440 / Dry contacts unit & VT32 / Dry contacts board extension |
4 | Add sensors and devices. See available devices: |
Inventory - Package content VT335t
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