Troubleshooting
The indicator on the front panel of host is OFF. The Status indicator of fan module is OFF, and the fan
does not work. The indicator on the panel of the power module is OFF and the fan does not work.
Please check the following:
After power-on, if the conguration terminal shows nothing, you can rstly check the following:
1. Whether serial port cables are connected correctly.
2. Whether the conguration of the serial port on the HyperTerminal.
First, disconnect the power cord of the power module.
1. Whether the cables of the cabinet have been correctly connected.
2. Whether the cabinet power sockets are loosely connected to power modules.
3. Whether the power modules are installed correctly.
1. Test network connectivity through ping.
2. If the network is reachable, try restarting the switch.
3. Check if the corresponding service is enabled.
1. Ensure the switch ports are in the no shutdown state.
2. Check if the switch can read the DDM information.
3. Check if the port speed setting is correct.
4. Try looping the switch cable.
Power System Fault
Connecting the Switch Remotely Unsuccessfully
The Port is not Working, the LED Indicator is O
Troubleshooting for Terminal No-show
If the conguration terminal shows error codes, it is likely that the terminal (such as HyperTerminal)
parameters are set incorrectly. Please conrm the parameters of the terminal (such as HyperTerminal).
Troubleshooting for Terminal Show Error Codes
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