ZyXEL Communications PM7510-R0 Series, Руководство пользователя

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PM7510-R0 User’s Guide
33
C
HAPTER
12
Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The potential problems are
divided into the following categories.
• Power, Hardware Connections, and LEDs
• Zyxel Device Access and Login
• Internet Access
12.1 Power, Hardware Connections, and LEDs
The Zyxel Device does not turn on. None of the LEDs turn on.
1
Make sure the Zyxel Device is turned on.
2
Make sure you are using the power adaptor or cord included with the Zyxel Device.
3
Make sure the power adaptor or cord is connected to the Zyxel Device and plugged in to an
appropriate power source. Make sure the power source is turned on.
4
Turn the Zyxel Device off and on.
5
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 Section 1.4.1 on page 9 .
2
Check the hardware connections.
3
Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4
Turn the Zyxel Device off and on.
5
If the problem continues, contact the vendor.