3Com 3CRWDR200A-75 - Manual (Page 79)

System Tools 79
Configuration Figure 51 Configuration Screen
Select the Configuration tab to display the Configuration screen.
Backup Configuration
Click BACKUP to save the current Router configuration. You will be
prompted to download and save a file to disk.
Restore Configuration Data
If you want to reinstate the configuration settings previously saved to a
file, press Browse to locate the backup file on your computer, and then
click RESTORE to copy the data into the Router's memory.
The password will remain unchanged.
Reset to Factory Default
If you want to reset the settings on your Router to those that were loaded
at the factory, click RESET. You will lose all your configuration changes.
The Router LAN IP address will revert to 192.168.1.1, and the DHCP
server on the LAN will be enabled. You may need to reconfigure and
restart your computer to re-establish communication with the Router.