Installation Manual
Quidway S2000-EI Series Ethernet Switches Chapter 6 Maintenance and Troubleshooting
6-1
Chapter 6 Maintenance and Troubleshooting
6.1 Power System Failure
You can check whether the power system of the switch fails by viewing the POWER
indicator on the front panel. If it is in normal operation, the POWER indicator should
stay on. Otherwise, please check whether
z The switch power cord is correctly connected.
z The power input to the switch matches the requirement as labeled on the switch.
6.2 Configuration System Failure
After the switch is powered on and the system is normal, the booting information will
be displayed on the configuration terminal. If the configuration system has any faults,
there will not be any screen display at the configuration terminal or the displayed
characters will be totally illegible.
I. Troubleshooting when there is no terminal display
If there is no output information after the configuration is powered on, please check
whether
z The power supply is normal
z The Console cable is connected correctly
If no problems are found after the above-mentioned items have been checked, the
cause may lie in the Console cable or the settings of the terminal (such as hyper
terminal) parameters. Please perform the corresponding check.
II. 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). Please confirm the
terminal parameter (such as hyper terminal) settings: baud rate should be set to 9600,
data bit to 8, parity to none, stop bit to 1 and flow control to none, and select VT100
as terminal emulation.
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