Quick Installation Guide
AC750 Wireless Dual Band
ADSL2+ Modem Router
Power Adapter
7106505550 REV1.0.2
Connecting the Hardware
If you don’t need the phone service, just directly connect the modem router to
the phone jack with a phone cable, then follow steps 3 and 4 to complete the
hardware connection.
3
Turn on the modem router.
Modem Router
Phone Jack
1 Connect the ADSL splitter
to the phone jack.
2
Connect the modem router to the
ADSL splitter.
ADSL Splitter
4
Verify that the hardware connection
is correct by checking these LEDs.
Power On
Connect to the phone (Optional)
ADSL On
2.4GHz On
5GHz On
Note:
1. The ADSL LED
takes about 1 to 2 minutes to stabilize.
2. If the 2.4GHz LED and 5GHz LED are off, please press the Wi-Fi
button on the rear panel for 2 seconds, then check the LEDs again in a
few seconds.
Configuring the Modem Router
USB Features
FAQ (Frequently Asked Questions)
1. Connecting your computer to the modem router (Wired
Use the USB port for media sharing, storage sharing and printer sharing across your
local network. You can also setup an FTP server to access your files remotely through
the Internet.
Q1. What can I do if the login page does not appear?
or Wireless)
Wired
Q2. What can I do if I cannot access the Internet?
Ethernet cable
USB Sharing Port
Wireless
Remote Access
via FTP Server
Connect wirelessly by using the SSID (network name) and Wireless Password printed on the
product label at the bottom of the modem router.
Media Sharing
Local Storage
Sharing
Printer Sharing
To learn more about the USB features, visit http://tp-link.com/app/usb or simply scan the QR code.
AC750 Wireless Dual Band
ADSL2+ Modem Router
Model: Archer D20
Power: 12V
1.5A
Default Access:
http://tplinkmodem.net
Serial Number
Wireless Password /PIN
MAC Address
2.4G SSID:TP-LINK_XXXX
SSID
5G SSID:TP-LINK_XXXX_5G
This device complies with part 15 of the FCC Rules. Operation is
subject to the following two conditions:(1) This device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Tether App
TP-LINK Tether app lets you conveniently access the modem router and:
2. Configuring the modem router via a web browser
View information about the clients on your network.
A Launch a web browser and type in http://tplinkmodem.net or 192.168.1.1.
Create a new password (1-15 characters) and click Save.
Block network access from specific users or devices.
Set up Parental Control with access time and content restrictions.
Change the basic wireless network settings easily.
Note: If the login page does not appear, please refer to FAQ > Q1.
How to begin?
http://tplinkmodem.net
1. Scan the QR code and download the TP-LINK Tether App from the
Apple App Store or Google Play.
2. Ensure your smart device is wirelessly connected to your home network.
3. Launch the Tether app and start managing your home network.
New Password
Low
Middle
LED Indicators
High
Confirm Password
Save
LED
(Power)
B Enter the new password that you created and click Login.
C Select your Region and Time Zone, then click Next.
(ADSL)
Indication
On
System initialization complete.
Flashing
System initializing or firmware upgrading is in process. Do not disconnect
or power off the modem router.
Power is off.
ADSL line is synchronized and ready to use.
Flashing
The ADSL negotiation is in progress.
Off
ADSL synchronization failed.
On
Off
Internet connection is available.
No Internet connection or the modem router is operating in Bridge mode.
(Wireless
2.4GHz)
On
The 2.4GHz wireless radio band is enabled.
Off
The 2.4GHz wireless radio band is disabled.
(Wireless
5GHz)
On
The 5GHz wireless radio band is enabled.
Note: Per FCC regulations, all Wi-Fi products marketed in the U.S. must be fixed to the U.S. region only.
(Internet)
Time Zone:
Status
Off
On
Note: For subsequent logins, use your password you have created.
Region:
A1. If the computer is set to a static or fixed IP address, change it to obtain an IP address
automatically from the modem router.
A2. Verify http://tplinkmodem.net is correctly entered in the web browser and press Enter.
A3. Use another web browser and try again.
A4. Reboot your modem router and try again.
A5. Disable and enable the active network adapter.
United Kingdom
(GMT) Greenwich Mean Time: Dublin, Edinburgh, London, Lisbon
(LAN)
Next
(WPS)
D Select your ISP from the ISP List or select Other if you can’t find your ISP, then
click Next. Follow the step-by-step instructions of the Quick Setup to complete
the initial configuration.
Note: For advanced settings, please refer to the User Guide on TP-LINK official website at www.tp-link.com.
(USB)
Off
The 5GHz wireless radio band is disabled.
On
At least one LAN port is connected.
Off
No LAN port is connected.
On/Off
Turns On when a WPS synchronization is established and automatically turns
Off about five minutes later.
Slow Flashing
A wireless device is trying to connect to the network via WPS. This process may
take up to 2 minutes.
On
The USB device is identified and ready to use.
Flashing
The USB device is being identified.
Off
No USB device is plugged into the USB port.
A1. Make sure the telephone and Ethernet cables are plugged in correctly.
A2. Try to log into the web management page of the modem router using the default
address at http://tplinkmodem.net. If you can, try the following answers. If you cannot,
change your computer to obtain an IP address automatically from the modem router.
A3. Consult your ISP and make sure all the VPI/VCI, Connection Type, account username
and password are correct. If they are not, please replace them with the correct settings
and try again.
A4. Restore the modem router to its factory default settings and reconfigure the modem
router by following the instructions in this Quick Installation Guide.
A5. Please contact our Technical Support if the problem still exists.
Q3. How do I restore the modem router to its factory default settings?
A1. With the modem router powered on, press
and hold down the WPS/RESET button on
the rear panel of the modem router for 8
seconds until all LEDs turn back on
momentarily, then release the button.
A2. Log in to the web management page of the
modem router, and go to Advanced >
System Tools > Backup & Restore, click
Factory Restore and wait until the reset
process is complete.
WPS/RESET Button Press & Hold 8 seconds
Q4. What can I do if I forget my password?
Web Management page password:
Restore the modem router to its factory default settings and then create a new password
using 1-15 characters.
Wireless Network password:
A1. The default Wireless Password/PIN is printed on the product label of the modem router.
A2. If the default wireless password has been changed, log into the modem router's web
management page and go to Basic > Wireless to retrieve or reset your password.
Q5. What can I do if the ADSL LED
does not turn solid on?
A1. Check your cables and make sure they are all plugged in correctly, including the
telephone lines and power adapter.
A2. Manually change your DSL settings. Log into the modem router’s web management
page. Go to Advanced > Network > DSL Settings, change the DSL Modulation Type
to G.dmt, and click Save. You will be prompted a disconnection, and click Yes to
continue. If this cannot work, try to change the DSL Modulation Type to ADSL2.
A3. Restore your modem router to its factory default settings.
A4. Remove the ADSL splitter, directly connect the modem router to the phone jack and
then reconfigure the modem router by following the instructions in this Quick
Installation Guide.
A5. Contact your ISP to verify if the ADSL line is in good status.
A6. If you have tried all the suggestions above and the problem still exists, contact our
Technical Support.
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