H3C S5810 Series Quick Start Manual page 43

Troubleshooting when the terminal display is illegible
If there is illegible display at the configuration terminal, the cause might lie in the parameter setting error
at the terminal (such as HyperTerminal). Verify the following terminal parameter (such as hyper terminal)
settings:
Baud rate: 9,600
Data bits: 8
Parity: none
Stop bits: 1
Flow control: none
Emulation: VT100.
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