Troubleshooting
1. After powered on, all the lights are not lit?
Reasons:
1) Power connection errors
2) Power is not normal.
Solution:
1) Make sure that the power cable is connected properly.
2) Make sure the power supply switch is turned on.
2. GE / FE indicators are not lit?
Reasons:
1) Network cable is damaged or loose connection
2) Cable type error;
3) Long lines outside the allowable range.
Solution:
1) Replace the network cable, and pay attention to the standard
Ethernet cable must be parallel or crossing lines.
3. Device stops working after a time period?
Reasons:
1) Power supply is not working properly.
2) Equipment might be overheating.
Solution:
1) Check for abnormal voltage issues, too high or too low;
2) Check the ambient conditions, vents are normal ventilation.