Restoring The Recovery Image (Nxc5200 Only) - ZyXEL Communications NXC Series Cli Reference Manual

Chapter 34 File Manager
3 If the console session displays "Invalid Firmware", or "Invalid Recovery Image", or the
console freezes at "Press any key to enter debug mode within 3 seconds" for more than
one minute, go to
Figure 21 Recovery Image Damaged
4 If "Connect a computer to port 1 and FTP to 192.168.1.1 to upload the new file"
displays on the screen, the firmware file is damaged. Use the procedure in
on page 212
not need to use the firmware recovery procedure.
Figure 22 Firmware Damaged

34.10 Restoring the Recovery Image (NXC5200 Only)

This procedure requires the NXC's recovery image. Download the firmware package from
www.zyxel.com and unzip it. The recovery image uses a .ri extension, for example,
"1.01(XL.0)C0.ri". Do the following after you have obtained the recovery image file.

You only need to use this section if you need to restore the recovery image.
1 Restart the NXC.
2 When "Press any key to enter debug mode within 3 seconds." displays, press a key to
enter debug mode.
210
Section 34.10 on page 210
to restore it. If the message does not display, the firmware is OK and you do
to restore the recovery image.
NXC CLI Reference Guide
Section 34.11