ZyXEL Communications ZYWALL USG 2000 Support Notes page 191

2. The ZyWALL USG 2000 may get firmware crashed. Generally, it may happen if power off
ZyWALL USG 2000 when it's during firmware upgrading. For this case, admin could connect
to console and see the message as shown below (ensure your terminal baud rate is configured
correctly).
If you do see the message, please start the firmware recovery procedure as following steps.
1. Connect a PC with ZyWALL USG 2000's lan1 port via an Ethernet cable.
2. ftp 192.168.1.1 from your FTP client or MS-DOS mode
3.
Set the transfer mode to binary (use "bin" in the Windows command prompt).
4. Reload the firmware. (ex. use command "put 1.00(XL.1)C0.bin" to upload firmware file)
5. Wait the FTP uploading completed and it will restart the ZyWALL USG 2000 automatically.
All contents copyright (c) 2008 ZyXEL Communications Corporation.
ZyWALL USG 2000 Support Notes
191