To be able to use OS ONE, you must first check that your UPS is compatible with the OS ONE interface: Check compatibility

Once you have checked this, you must be present at the installation site and equipped with a computer, tablet or smartphone with an internet browser.

Once there, you have 2 options for accessing OS ONE: 

--> By using the Wifi of the inverter : See Procedure

--> By using a wired Internet connection to the router, itself connected to your inverter : See Procedure