Installation Manual
Quidway S3026C-PWR Ethernet Switch
Chapter 6 Maintenance and Troubleshooting
Chapter 6 Maintenance and Troubleshooting
6.1 Handling Power System Failures
You can check whether the power system for the switch fails just viewing the power
LED (PWR) on the front panel. If it is normal, the power LED (PWR) should stay ON.
Otherwise, please check whether
z
The power cord is correctly connected.
z
The power input to the switch matches the requirement for the switch.
6.2 Handling Configuration System Failures
After the switch is powered on, the booting information will be displayed on the
Console terminal if the system works normally. When anomaly occurs to the
Console terminal, nothing or illegible information shall be displayed on it.
I. No terminal display
If the console terminal display nothing after the switch is power, please check
whether
z
The power supply is normal.
z
The Console port is correctly connected.
If no problems are found in the above-mentioned check items, please check the
Console cable or the parameter settings of the terminal (such as HyperTerminal).
II. Illegible terminal display
If there is illegible display at the Console terminal, the cause might lie in the
parameter setting error at the terminal (such as HyperTerminal). Please confirm the
terminal parameter (such as HyperTerminal) settings: baudrate should be set to
9600, data bit to 8, parity to none, stop bit to 1 and flow control to none, with VT100
as terminal emulation.
6.3 Handling Remote Power Supply Failures
S3026C-PWR supplies power for remote PD devices, but the DP devices are not
powered properly. Then check these items:
Huawei Technologies Proprietary
6-1
