TP-Link TL-MR3020 User Manual page 51

Note:
Sometimes the connection cannot be disconnected although you specify a time to Max Idle
Time because some applications visit the Internet continually in the background.
Connect Automatically - Connect automatically after the Router is disconnected. To use
this option, click the radio button.
Connect Manually - You can configure the Router to make it connect or disconnect
manually. After a specified period of inactivity (Max Idle Time), the Router will disconnect
your Internet connection, and not be able to re-establish your connection automatically as
soon as you attempt to access the Internet again. To use this option, click the radio button.
If you want your Internet connection to remain active at all times, enter 0 in the Max Idle
Time field. Otherwise, enter the number in minutes that you wish to have the Internet
connecting last unless a new link requested.
Note:
Sometimes the connection cannot be disconnected although you specify a time to Max Idle
Time because some applications visit the Internet continually in the background.
Authentication Type - Some ISPs need a specific authentication type, please confirm it
with your ISP or keep it Auto.
Click the Save button to save your settings.
Click the Modem Settings button if your 3G/4G USB Modem is not supported by the Router,
and then you will see the screen as shown in Figure 4-11. Parameters of your USB modem can
be configured on this page.
There are already much 3G/4G USB modem information embedded in the router. The USB
modem parameters will be set automatically if the card is supported by the router. But when the
router finds the card you just insert "unknown" to it, it will prompt you to set these parameters.
The router can identify your "unknown" card if the correct parameters are in the list. We suggest
you to do the "3G/4G USB Modem Setting" only in such circumstance.
To add 3G/4G USB Modem entries, follow the steps below.
TL-MR3020
Figure 4-11 3G/4G USB Modem Settings
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Portable 3G/4G Wireless N Router