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To solve the problem, check whether any foreign object has entered the fan tray.
If the cause cannot be located in the steps above and the problem persists, contact your local sales
agent.
Configuration system problems
If the configuration environment setup is correct, the configuration terminal displays boot information
when the firewall is powered on. If the setup is incorrect, the configuration terminal displays nothing or
garbled text.
No terminal display
If the configuration terminal displays nothing when the firewall is powered on, follow these steps to
troubleshoot the failure:
Check the following items.
1.
The power supply system works properly.
•
The console cable is properly connected.
•
If no problem is found, check the following reasons that may apply:
2.
The console cable is connected to an incorrect serial port (the serial port in use is not the one set on
•
the terminal).
•
The properties of the terminal are incorrect. You must configure the console terminal as follows: set
Bits per second to 9600, Data bits to 8, Parity to None, Stop bits to 1, Flow control to None, and
Terminal Emulation to VT100.
The console cable fails.
•
If the cause cannot be located in the steps above and the problem persists, contact your local sales
3.
agent.
Garbled terminal display
If terminal display is garbled, follow these steps to solve this problem:
Make sure that the Data bits field is set to 8 for the console terminal. If the Data bits field is set to
1.
5 or 6, the console terminal will display garbled characters.
Make sure that the Bits per second field is set to 9600 kbps. An incorrect bits per second may also
2.
cause the configuration terminal to display garbled characters.
Make sure that he AUX interface works in flow mode when the AUX port is used as a backup for
3.
the console port. For more information about the AUX port, see
console
Using the AUX port as the backup console port
When the console port is faulty, you can use the AUX port as the backup console port to complete
firewall configuration as follows:
Follow these steps to configure the AUX user interface at the CLI of the firewall:
port."
60
"Using the AUX port as the backup
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