Dimension ES-2008 Ethernet Switch

Chapter 19

Troubleshooting

19.1 Using LEDs to Diagnose Problems

The LEDs are useful aides for finding possible problem causes.
19.1.1 Power LED
The PWR LED on the front panel does not light up.Table 19-1 Troubleshooting Power LED

STEPS

CORRECTIVE ACTION

1Check the connections from your switch to the power source. Make sure you are using the supplied power cord and proper power supply. Refer to the product specifications.

2Make sure the power source is turned on and that the switch is receiving sufficient power.

3If these steps fail to correct the problem, contact your local distributor for assistance.

19.1.2 The LK/ACT LED
The LK/ACT LED does not light up when a device is connected.Table 19-2 Troubleshooting LK/ACT LED

STEPS

CORRECTIVE ACTION

1Verify that the attached device(s) is turned on and properly connected to the switch.

2Make sure the network adapters are working on the attached devices.

3Verify that 10/100/1000 M Ethernet cable length does not exceed 100 meters. For more information on network cables, see the section on network cable types.

19.1.3 The 100 LED
The 100 LED does not show the speed of my Ethernet device.
Troubleshooting

19-1