Restore To Factory Setting; Restart - Tenda TEI480T User Manual

4.3.9.5 Restore to Factory Settings
By clicking the "Restore" button, all the function on the router would go
back to factory default settings. They are as follows:
Default User Name: admin
Default Password: admin
Default IP: 192.168.0.1
Default Subnet Mask: 255.255.255.0
You should restart the router to take effect after restoring to factory
default setting

4.3.9.6 Restart

By click "Restart" the router, some function which requires restarting to
become active would take effect. Before the router restarts, the
network connectivity would be disconnected automatically.
TEI480T/490T/4000 Enterprise & Net-bar Level Router
37