ZyXEL Communications NBG4115 用户手册

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页码 280
User’s Guide
201
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H A P T E R
 
 2 4  
Troubleshooting
24.1  Overview
This chapter offers some suggestions to solve problems you might encounter. The 
potential problems are divided into the following categories. 
24.2  Power, Hardware Connections, and LEDs
The NBG4115 does not turn on. None of the LEDs turn on.
1
Make sure you are using the power adaptor or cord included with the NBG4115.
2
Make sure the power adaptor or cord is connected to the NBG4115 and plugged in 
to an appropriate power source. Make sure the power source is turned on.
3
Disconnect and re-connect the power adaptor or cord to the NBG4115.
4
If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
1
Make sure you understand the normal behavior of the LED. See