D-Link DSL-2750U User Manual page 30

This page is used to configure 3G connection. If you want to access the Internet
through 3G connection, a 3G network card is required. Connect the 3G network
card to the USB interface of the Router.
If the 3G network card is installed, you may click the button on the Action column
to establish or disconnect the 3G connection.

Information: Click it to display the information of the 3G network card.

Upload Driver: For a un-support USB dongle, click it to upload the new
driver for supporting the USB. The driver is a text file.

Pin Manage: Click this button to manage the PIN.
Click Pin Manage to show the following modes of PIN manage.

Enable PIN protect: If you enable it, you need to enter the PIN code when
rebooting or inserting the USB.

Unlock with PIN code: If you disable it, you need to enter PIN code when
using 3G.

Unlock with PUK & PIN: If you disable it, you need to enter PUK code
when failing to enter the PIN code for 3 times.

Change PIN code: Choose it to change the PIN code.
Click Add in the 3G Moblie Setup to display the following page.
DSL-2750U User Manual
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