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Under the customer page, all active wallboard configurations are listed. Each configuration is updated with the latest user changes every time that wallboard instance requests with new data from the server.
So to see how many wallboards a customer currently are using (i.e. active instances at this point in time) click on Edit on a customer in the customers list to open the customer and at the bottom of the page all active wallboards are listed.
Each configuration contains information about the clients IP, a an application/client id that uniquely identifies a wallboard instance and some other information about the current wallboard. Users can see their client id by clicking on the configuration icon (cog wheel) and going to the server settings tab (application id).
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