ZyXEL Communications GS2200 Series, User Manual

Page: 297 / 320

GS2200 Series User’s Guide
297
C
H A P T E R
4 2
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
• Switch Access and Login
• Switch Configuration
42.1 Power, Hardware Connections, and LEDs
The Switch does not turn on. None of the LEDs turn on.
1
Make sure you are using the power adaptor or cord included with the Switch.
2
Make sure the power adaptor or cord is connected to the Switch 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 Switch.
4
If the problem continues, contact the vendor.
The ALM LED is on.
1
Disconnect and re-connect the power adaptor or cord to the Switch.
2
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 3.3 on page 30 .
2
Check the hardware connections. See Section 42.1 on page 297 .
3
Inspect your cables for damage. Contact the vendor to replace any damaged cables.