This guide shows you exactly how to login to the Thomson Alcatel ST546 router.
Other Thomson Alcatel ST546 Guides
This is the login guide for the Thomson Alcatel ST546. We also have the following guides for the same router:
Find Your Thomson Alcatel ST546 Router IP Address
The first thing that we need to know in order to login to the Thomson Alcatel ST546 router is it's internal IP address.
| Known ST546 IP Addresses |
|---|
| 192.168.1.254 |
You may have to try using a few different IP addresses from the list above. Just pick one and then follow the rest of this guide.
If you do not find your router's interface later in this guide, then try a different IP address. Keep trying different IP addresses until you find your router. It should be completely harmless to try different IP addresses.
If, after trying all of the above IP addresses, you still cannot find your router, then you have the following options:
- Follow our Find Your Router's Internal IP Address guide.
- Download and install our free Router Detector software.
After you find your router's internal IP Address, it is time to try logging in to it.
Login to the Thomson Alcatel ST546 Router
Your Thomson Alcatel ST546 router has a web interface. In order to log in to it, you need to use a web browser, such as Chrome, Firefox, or Edge.
Enter Thomson Alcatel ST546 Internal IP Address
Put the internal IP Address of your Thomson Alcatel ST546 in the address bar of your web browser. The address bar looks like this:

Press the Enter key on your keyboard. You should see a window asking for your Thomson Alcatel ST546 password.
Thomson Alcatel ST546 Default Username and Password
You need to know your username and password to login to your Thomson Alcatel ST546. It's possible that the router's password is still set to the factory default. Below is a list of all known Thomson Alcatel ST546 default usernames and passwords.
| Thomson Alcatel ST546 Default Usernames and Passwords | |
|---|---|
| Username | Password |
| blank | blank |
| unknown | unknown |
Enter your username and password in the window that pops up. You should be able to try them all.

Thomson Alcatel ST546 Home Screen
You should now see the Thomson Alcatel ST546 home Screen, which looks similar to this:
If you see this screen, then congratulations, you are now logged in to your Thomson Alcatel ST546. Now you can follow any of our other guides for this router.
Solutions To Thomson Alcatel ST546 Login Problems
Here are some ideas to help if you are having problems getting logged in to your router.
Thomson Alcatel ST546 Password Doesn't Work
Perhaps your router's default password is different than what we have listed here. Be sure to try other Thomson Alcatel passwords. We have an extensive list of all Thomson Alcatel Passwords that you can try.
Forgot Password to Thomson Alcatel ST546 Router
If your ISP provided your router, then you may have to call them and ask them if they know how to login to your router. Sometimes they will have your password on file.
How to Reset the Thomson Alcatel ST546 Router To Default Settings
The last option when you are unable to get logged in to your router is to reset it to the factory defaults. The last option when you are unable to get logged in to your router is to reset it to the factory defaults.
Other Thomson Alcatel ST546 Guides
Here are some of our other Thomson Alcatel ST546 info that you might be interested in.
This is the login guide for the Thomson Alcatel ST546. We also have the following guides for the same router: