ZyXEL Communications MSC1000G Series, Руководство пользователя

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Chapter 38 Troubleshooting
Management Switch Card User’s Guide
1112
2
Enter your password.
3
Type
config default
.
4
Type
y
at the question “
reset configuration to factory default needs system
restart! proceed(y/n)? >)?
”
5
After restarting, the MSC is re-initialized with a default configuration file the default user name of
“admin” and password of “1234”.
38.8.2 Recovering the Firmware
Usually you should use FTP or the console port to upload the MSC’s firmware. If the MSC will not
start up, the firmware may be lost or corrupted. Use the following procedure to upload firmware to
the MSC only when you are unable to use another method to upload firmware.
Note: This procedure is for emergency situations only.
1
Obtain the firmware file, unzip it and save it in a folder on your computer.
2
Connect your computer to the console port and use terminal emulation software configured to the
following parameters:
3
Turn off the IES and turn it back on to restart it and begin a session.
4
When you see the
Press any key to enter Debug Mode within 3 seconds
message
,
press a key to enter debug mode.
5
Type
atba5
after the
Enter Debug Mode
message (this changes the console port speed to
115200 bps).
6
Change the configuration of your terminal emulation software to use 115200 bps and reconnect to
the MSC.
7
Type
atur
after the
Enter Debug Mode
message.
8
Wait for the
Starting XMODEM upload
message before activating XMODEM upload on your
terminal.
9
This is an example Xmodem configuration upload using HyperTerminal. Click Transfer , then Send
File to display the following screen.
• VT100 terminal emulation • 9600 bps
• No parity, 8 data bits, 1 stop bit • No flow control