Chapter 3 Troubleshooting; Introduction; Pwr Led; Fdx Led - ZyXEL Communications ES-1124 User Manual

This section describes common problems you may encounter with the switch
3.1

Introduction

Troubleshoot the switch using the LEDs to detect problems.
3.1.1

PWR LED

The PWR LED on the front panel does not light up.

Table 3-1 Troubleshooting Power LED

STEP
1 Check the connections from your switch to the power source. Make sure you are using the supplied power
cord and that you are using an appropriate power source. Refer to the Product Specifications appendix.
2 Make sure the power source is turned on and that the switch is receiving sufficient power.
3 If these steps fail to correct the problem, contact your local distributor for assistance.
3.1.2

FDX LED

The FDX LED on the front panel does not light up.
STEP
1 The port is operating in half-duplex mode and not full-duplex mode.
2 Make sure the power source is turned on and that the switch is receiving sufficient power.
3 If these steps fail to correct the problem, contact your local distributor for assistance.
3.1.3

LNK/ACT LED

The LNK/ACT LED does not light up when a device is connected.

Table 3-3 Troubleshooting LNK/ACT LED

STEP
Troubleshooting
CORRECTIVE ACTION

Table 3-2 Troubleshooting FDX LED

CORRECTIVE ACTION
CORRECTIVE ACTION
Dimension ES-1124 Ethernet Switch
Troubleshooting
and possible solutions.
Chapter 3
3-1