
6
TROUBLESHOOTING
Troubleshooting
Power System
Fault: POWER RUN LED is OFF or blinks.
Please check:
■If the power switch of the Router is turned on.
■If the power supply switch is turned on.
■If the power cord of the Router is properly connected.
■If the power supply meets the requirement of the Router. Steady on means the input voltage is normal 
| Troubleshooting | After the  | |
| Configuration System | the  | |
| 
 | configuration system has some fault, the terminal may display nothing or only | |
| 
 | illegible characters. | |
| Fault: “nothing being | After the  | |
| displayed on the | any information. | |
| terminal” | Please check: | |
| 
 | ||
| 
 | ■ If the power system is normal. | |
| 
 | ■ If the console cable is connected correctly. | |
| 
 | If there's nothing wrong after all the items above have been checked, it is likely | |
| 
 | that there is something wrong with the console cable or the terminal (e.g., the | |
| 
 | HyperTerminal) parameters. Please check the cable or the parameters. | |
| Fault: “displaying | After the  | |
| illegible characters on | illegible characters. | |
| the terminal” | Please check the following: | |
| 
 | ||
| 
 | ■ | Baud: 9600 | 
| 
 | ■ | Data bits: 8 | 
| 
 | ■ | Stop bit: 1 | 
| 
 | ■ | Parity: None | 
| 
 | ■ | Flow control: None | 
