ZyXEL Communications Dimension ES-3124 Support Notes page 122

2. Power off and then power on the Switch, and press any key to enter the
debug mode when the screen shows "Press any key to enter Debug Mode
within 3 seconds."
3. Type "atlc" and press the enter key
4. When the message "starting XMODEM upload" appears, do XMODEM
upload of the default rom file to the Switch
5. After it is done uploading the rom file successfully, type "atgo" to leave the
debug mode.
6. The system will be restarted automatically. After the system is up, you
should be able to log in with the default password "1234" and the IP
address is now 192.168.1.1.
How do I configure an IP address?
From Web Configurator:
Click Basic Setting and then IP Setup to display the next screen.
All contents copyright (c) 2006 ZyXEL Communications Corporation.
ES-3100 Series Switch Support Notes
122