AmbiCom WL250N-AR - Manual (Page 34)

Specify the time to shutdown Internet connects after no internet activity is detected by minute. This
option is only available when connection type is ‘Connect on Demand’.
When all settings are finished, you’ll see the following message displayed on your web browser:
Please click ‘Apply’ button to prepare to restart the router, and you’ll see this message:
Please wait for about 30 seconds, then click ‘OK!’ button. You’ll be back to router management interface again, and the router
is ready with new settings.
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