You can connect using either a wired (LAN) or wifi connection.
This is the gateway for your router and a login screen will appear.
The default FiOS router administrator password is located on the sticker on the side of your router.
Username: admin Password: (your password)
You're logged in!
Now that you're logged in, you may as well change your password to something more secure. After all, anyone with access to your house can gain access to your router configuration, which is worse than gaining access to the network itself!
To change the default administrator password, click Change Admin Password in the left navigation.
If you forget your password, simply reset your FiOS router to factory defaults.