Recovering The Firmware - ZyXEL Communications IES4005M User Manual

Chapter 28 Hardware Troubleshooting
Connect to the console port using a computer with terminal emulation software. See the chapter on
1
hardware connections for details.
Enter your password.
2
Type config default.
3
Type at the question "
4
y
restart! proceed(y/n)? >)?
After restarting, the IES is re-initialized with a default configuration file the default user name of
5
"admin" and password of "1234".

28.6.2 Recovering the Firmware

Usually you should use FTP or the console port to upload the IES's firmware. If the IES will not start
up, the firmware may be lost or corrupted. Use the following procedure to upload firmware to the
IES only when you are unable to use another method to upload firmware.
Note: This procedure is for emergency situations only.
Obtain the firmware file, unzip it and save it in a folder on your computer.
1
Connect your computer to the console port and use terminal emulation software configured to the
2
following parameters:
• VT100 terminal emulation
• No parity, 8 data bits, 1 stop bit
Turn off the IES and turn it back on to restart it and begin a session.
3
When you see the
4
press a key to enter debug mode.
Type .
5 atur
Wait for the
6
terminal.
This is an example Xmodem configuration upload using HyperTerminal. Click Transfer, then Send
7
File to display the following screen.
Figure 46 Example Xmodem Upload
218
reset configuration to factory default needs system
"
Press any key to enter Debug Mode within 3 seconds
Starting XMODEM upload
• 115200 bps
• No flow control
message before activating XMODEM upload on your
Type the firmware file's
location, or click Browse to
search for it.
Choose the 1K Xmodem
protocol.
Then click Send.
,
message
IES4005M User's Guide