H3C WSG1840X, Руководство по установке

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Troubleshooting
Power supply failure
Symptom
The device cannot be powered on. The system status LED (SYS) is off.
Solution
To resolve the issue:
1. Verify that the power source is as required.
2. Verify that the power cord is connected securely.
3. Verify that the power cord is in good condition.
4. If the issue persists, contact Technical Support.
No display or garbled display on the configuration
terminal
Symptom
The configuration terminal does not have display or have a garbled display when the device is
powered on.
Solution
To resolve the issue:
1. Verify that the power system is operation correctly.
2. Verify that the console cable is connected correctly to the specified serial port on the
configuration terminal.
3. Verify that the following settings are configured for the terminal:

Baud rate —9600.

Data bits —8.

Parity —none.

Stop bits —1.

Flow control —none.

Emulation —VT100.
4. Verify that the console cable is in good condition.
5. If the issue persists, contact Technical Support.