TP-Link TD-8840T User manual

1
If you currently use a modem, disconnect it now - the Modem Router will
replace your current modem.
Connect your computer to the Port
labeled “1~4” on the Modem Router
with an Ethernet cable.
If no telephone is needed, please connect the ADSL port of the Modem
Router to the wall jack using the telephone line directly.
Note
Installation
Note Please use only wired network connections to configure the Modem Router.
Connect the splitter to the wall
j
ack using a telephone line,
then use the other telephone
line to directly connect it to the
A
DSL port on the Modem
Router and the MODEM port
of the splitter, also have the
PHONE port of the splitter
connected to a telephone.

2
Plug the provided Power Adapter
into the POWER jack on the back
of the Modem Router and the other
end to a standard electrical wall
socket.
Turn on all of your network devices,
including your computer(s) and the
Modem Router then check to see if
the LEDs of the Modem Router display normally as the diagram below
describes.
If the LEDs display abnormally, please check to see if all the cable connectors
(power adapter, phone line and Ethernet cable) are well connected to your
device. With the phone line well connected, if the ADSL LED turns off after a
quick-flash, please contact your ISP to ensure that your internet connection is
active.
Note
Note To configure the device, you can either run the Resource CD (method one),
or run the Web based Quick Setup Wizard (method two). TP-LINK strongly
recommends that you run the Resource CD.
Power: Solid light
ADSL: Flashing when the modem
is synchronizing; Solid light if the
modem is synchronized
LAN: Solid light if the corresponding
port is connected

3
The configuration has now been completed. Please skip to Step 3 “Testing the
Internet Connection” on page 8.
Insert the provided Resource
CD into your CD-ROM drive.
The Setup Wizard will
automatically pop up on
your computer’s screen.
Then a flash video will pop up and
show you how to connect your
devices. After that, the Easy Setup
Assistant will start.
Please select your product
model and click Start Setup
Click NEXT, and then follow the
step-by-step instructions until you
complete the configuration

4
Login
If the dialog box does not pop up, please refer to T3 in the Troubleshooting
guide on page 9. T2 will help you if you forget the password.
A
dialog box will prompt you for
the User name and Password.
Enter the default values and click
OK.
Note
The web management page will
display after a successful login.
Open your web browser and
type in 0H192.168.1.1 in the
address bar and press Enter
User name: admin
Password: admin
Click OK
Click Quick Setup

5
Enter the VPI and VCI
values given by your ISP
Internet Parameters Configuration
This page will then display.
Bridge mode is not recommended because multiple computers are not
p
ermitted to share Internet access in this mode.
Note
Click Next
Click Next
Click Next
Note If you did not get the VPI, VCI and WAN Type information, please contact
your ISP for this information.
Choose the WAN Type given by
your ISP.
If PPPoE or PPPoA is selected,
please proceed to A;
If Dynamic IP is selected, please
skip to B;
If Static IP or IPoA is selectedLj
please skip to C;
If Bridge is selected, please skip to
D.

6
A. Configuration for PPPoE or PPPoA
B. Configuration for Dynamic IP
C. Configuration for Static IP or IPoA
D. Configuration for Bridge Mode
This page will then display.
Enter the Username,Password
and Confirm Password
provided by your ISP
Click Next
If you are using the modem on a new DSL line and have not completed
your DSL provider’s online registration, you may be using a generic
username and password. When registration is completed, you will need to
update the username and password if you have created a new one.
Note
This type doesn't need to be configured.
This page will then display.
This type doesn't need to be configured.
A
fter completing the above configuration, please proceed to Quick Setup
Complete.
Click Next
Enter the Static IP information
provided by your ISP manually

7
Quick Setup Complete
To continue, the following page will
be displayed.
Now, your Modem Router has been configured.
Click Finish
Save page will be displayed. Please confirm all parameters. Click Previous to
modify or click the Save button to make the configuration take effect.

8
Note
Note
The basic settings for your Modem Router are completed. Please open the web
browser and log on to the following websites:
http://www.tp-link.com
http://www.google.com
If the above websites can be accessed, it indicates that your Modem Router has
been configured successfully and you can start to enjoy the Internet. If the websites
cannot be accessed, please refer to “T4. What can I do if I cannot access the
Internet?” in the Troubleshooting guide on page 14.
For the advanced configurations, please refer to the User Guide on the
Resource CD provided.
The above configurations only need to be set once. If you want other
computers in your LAN to access the Internet, please connect the desired
computer to the Modem Router directly. If the additional computer can not
access the Internet, please configure the computer’s IP address referring to
“T3. What can I do if I cannot access the web-based configuration
page?” in the Troubleshooting guide on page 9.

9
T1. How do I restore my Modem Router’s configuration to its factory default
settings?
Once the Router is reset, the current configuration settings will be lost and
you will need to re-enter all the parameters.
T2. What can I do if I forget my password?
1) Restore the Modem Router’s configuration to its factory default settings. If you
don’t know how to do that, please refer to section T1.
2) Use the default user name and password: admin, admin.
3) Try to configure your Modem Router once again by following the instructions in
the previous steps of the QIG.
T3. What can I do if I cannot access the web-based configuration page?
1) Configure your computer’s IP Address.
For Windows XP OS
With the Router powered on, press and
hold the RESET button on the rear panel
for 8 to 10 seconds before releasing it.
Go to Start > Settings > Control
Panel, and then you will see the
following page.
Note
Troubleshooting
Hold it for 8 to 10 seconds
Click Network and
Internet Connections

10
Click Network Connections
Right-click Local Area
Connection
Click Properties
Double-click Internet
Protocol (TCP/IP)