Troubleshooting; Troubleshooting The Power System; Troubleshooting The Configuration System - H3C MSR 30-10 Installation Manual

Troubleshooting

Troubleshooting the Power System

Symptom:
The PWR LED RUN is OFF or blinking.
Solution:
Check that:
The power switch on the router is turned on.
•
The switch of the power source is turned on.
•
The power cord is correctly connected.
•
The power source meets the requirement of the router.
•

Troubleshooting the Configuration System

If the router passes POST after powered up, the console screen displays the startup banner; if faults occur
to the configuration system, the console screen displays nothing or only illegible characters.
Troubleshooting the console terminal
Symptom:
After the router is powered on, the console screen displays nothing.
Solution:
Step 1: Check that:
The power system is normal.
•
The console cable is correctly connected.
•
Step 2: Check the console cable and the terminal (HyperTerminal for example) settings.
Troubleshooting the console terminal
Symptom:
After the router is powered on, the console screen displays illegible characters.
Solution:
Verify that the terminal settings are as follows:
Baud: 9600
•
Data bits: 8
•
Stop bit: 1
•
Parity: None
•
Flow control: None
•
Terminal emulation: VT100
•
88