Installation Manual
H3C S3100-52P Ethernet Switch
Chapter 6 Maintenance and Troubleshooting
6-2
Select <7> and have the switch reboot. The user password is deleted at the reboot to
allow you access the switch without password.
6.2.2 Recovering the Boot ROM Password
Contact your sales agent for help.
6.3 Dealing with Power System Failures
You can know whether the power system has failed by reading the PWR LED on the
front panel. If the power system is operating normally, the PWR LED is ON. If not, check
that:
z
The switch power cord is correctly connected.
z
The power source can work with the switch.
6.4 Dealing with Configuration System Failures
If the switch is operating normally after it is powered up, it displays the start-up
information on the console terminal. If the configuration system has failed, it displays
illegible characters or nothing at all.
I. No information on the terminal
Take these steps to address the problem:
1) Check
that:
z
The power system is operating normally.
z
The console cable is connected correctly.
2) Check that the console cable is in good condition and the terminal (HyperTerminal
for example) parameter settings are correct.
II. Illegible characters on the terminal
Make sure you have set on your terminal (HyperTerminal):
Baud rate = 9600
Databit = 8
Parity check = none
Stopbit = 1
Flow control = none
Terminal emulation = VT100
Reconfigure the parameters if their values are different.
