Enabling/Disabling All Internal Cellular Modems
You can enable and disable all internal cellular modems either from the Unit Panel or from the Web Interface.
From the Home menu, tap
> 
.In the Embedded cellular modems field, use the toggle button to enable or disable all internal modems.
From the Web Interface, click Networks on the sidebar.
Select the Interfaces page.
Interfaces screen
From the Display dropdown, select Modem.
Display dropdown
Check the checkbox at the top of the list to select all Modem interfaces.
Selected Modems screen
Click the Enable or Disable buttons. This action will be applied to all Modems.