Asset manager
Card view
When selecting a site as your scope (top right), you can get an overview of your machines by going to Assets. Make sure that you select the Machines tab and the card view. On the cards, you will find a connectivity icon indicating whether the machine is online, offline, or not connected (without an upload device).
Machine details
Click on a card to get more information about an asset. Among the indicators (top right), you will find the current connectivity status. Hoover over this indicator to know when data was last uploaded and when SMARTLINK received a signal for the last time (last communication).