TP-Link TL-R480T+ Installation Manual page 25

You can restore the Router to factory defaults, please refer to 1.2
Appearance of this Installation Guide for detail. The default management
address of the Router is http://192.168.0.1, default username and password
are both admin. All your current settings will be cleared after the Router is
restored. If you have backup configuration, please import it now.
The PWR LED should be lit up when the power system works normally. If the
PWR LED worked abnormally, please check as follows:
1. Make sure that the power cable is connected properly, and the power
contact is normal.
2. Make sure the voltage of the power supply meets the requirement of the
input voltage of the Router.
You are recommended to check the following items:
1. Check every port LED on the Router and make sure the cable is installed
properly.
2. Try another port on the Router and make sure the cable meets the
requirement and works normally.
3. Turn off the power. After a while, turn on the power again.
4. Make sure the IP address of your PC is set within the subnet of the
Router.
5. If you still cannot access the configuration page, please restore the
Router to its factory defaults. Then the IP address should be set as
192.168.0.x ("x" is any number from 2 to 254) and Subnet Mask as
255.255.255.0.
Please check as follows:
1. Update your browser or replace it with another browser, and try again.
2. If the pop-up is blocked, please lower the security level of the browser.