TP-Link TL-MR3420 User Manual page 48

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 from your
Internet connection, and you will 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 is requested.
Caution: Sometimes the connection cannot be disconnected although you specify a time to
Max Idle Time, since some applications is visiting the Internet continually in the background.
6. If your ISP provides PPTP connection, please select PPTP option. And you should enter the
following parameters (Figure 4-18):
TL-MR3420 3G/3.75G Wireless N Router
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