Troubleshooting; Chapter 4 Troubleshooting; Power, Hardware Connections, And Leds - ZyXEL Communications XMG-100 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 you are using the power adapter or cord included with the Switch.
1
Make sure the power adapter or cord is connected to the Switch and plugged in to an appropriate
2
power source. Make sure the power source is turned on.
Disconnect and re-connect the power adapter or cord to the Switch.
3
If the problem continues, contact the vendor.
4
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
Disconnect and re-connect the power adapter or cord to the Switch.
4
If the problem continues, contact the vendor.
5
The Link / ACT LED does not light up when a device is connected.
• Verify that the attached device(s) is turned on and properly connected to your Switch.

Troubleshooting

Section 3.1 on page
XMG-100 Series User's Guide
22
C
H A P T E R
Section 3.3 on page
16.
4
20.