Edimax BR-622nC User Manual page 37

Idle Time Out
If you wish to select another connection type as broadband connection type, click 'Back'; or
you can click 'OK' to finish with quick setup. You'll see the following messages:
Please click 'Apply' to save changes you made and restart the broadband router, this
requires about 30 seconds and the broadband router will stop responding (this is normal
and is not malfunction). You can reconnect to this broadband router and continue on other
settings later.
Please specify the time to shutdown internet
connect after no internet activity is detected in
minute(s). This option is only available when
connection type is 'Connect on Demand'.