AC1600 WiFi VDSL/ADSL Modem Router Model D6400
If disconnecting telephones does not result in a green DSL LED, check the following:
•Check that the telephone company made the connection to your line and tested it.
•Verify that you are connected to the correct telephone line. If more than one phone line is
installed, be sure that you are connected to the line with the ADSL or VDSL service. It
might be necessary to use a swapper if your ADSL or VDSL signal is on pins 1 and 4 or
the RJ-11 jack. The modem router uses pins 2 and 3.
Internet LED Is Off
If the Internet LED is off , the modem router cannot connect to the Internet. Verify the
•Check that your login credentials are correct or that the information you entered for the
ISP connection is correct. For more information, see one of the following sections:
-Manually Set Up an ADSL Internet Connection on page 47
-Manually Set Up a VDSL Internet Connection on page 57
-Manually Set Up a Cable of Fiber Internet Connection on page 66
•Check to see if your ISP is experiencing a problem—it might not be that the modem
router cannot connect to the Internet, but rather that your ISP cannot provide an Internet
Obtain an Internet IP Address
If the modem router cannot access the Internet but the Internet LED is green , see if the
modem router can obtain an Internet IP address from the ISP. Unless the modem router is
assigned a static IP address, the modem router requests an IP address from the ISP
can determine whether the request was successful using the modem router’s web pages.
To check the Internet IP address:
1. Launch a web browser from a computer or WiFi device that is connected to the network.
2. Type http://www.routerlogin.net.
A login window opens.
3. Enter the user name and password for the modem router.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
4. Click the OK button.
The BASIC Home page displays.
5. Select ADVANCED > ADVANCED Home.
The ADVANCED Home page displays.
6. In the Internet Port pane, check that the IP Address field shows a valid IP address.
If the field shows 0.0.0.0, your modem router did not obtain an IP address from your ISP.