Troubleshooting; Chapter 4 Troubleshooting; Power, Hardware Connections, And Leds - ZyXEL Communications GS1100 Series User Manual

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

• Improper Network Cabling and Topology
4.1 Power, Hardware Connections, and LEDs
The Switch does not turn on. None of the LEDs turn on.
Make sure the Switch is turned on.
1
Make sure you are using the power adapter or cord included with the Switch.
2
Make sure the power adapter or cord is connected to the Switch and plugged in to an appropriate
3
power source. Make sure the power source is turned on.
Turn the Switch off and on.
4
Disconnect and re-connect the power adapter or cord to the Switch.
5
If the problem continues, contact the vendor.
6
One of the LEDs does not behave as expected.
Make sure you understand the normal behavior of the LED. See
1
Check the hardware connections. See
2
Inspect your cables for damage. Contact the vendor to replace any damaged cables.
3
Turn the Switch off and on.
4
Disconnect and re-connect the power adapter or cord to the Switch.
5
If the problem continues, contact the vendor.
6

Troubleshooting

Section 3.1 on page
GS1100 Series User's Guide
28
C
H A P T E R
Section 3.2.3 on page
19.
4
26.