ZyXEL Communications Dimension GS-1116, User Manual

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Dimension GS-1116/GS-1124 Gigabit Switch
Troubleshooting 3-1
Chapter 3
Troubleshooting
This section describes common problems you may encounter with the switch in your network and
possible solutions.
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 PWR LED
STEPS CORRECTIVE ACTION
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 a 100 - 240V AC, 50/60Hz power source.
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 LNK/ACT or LNK/ACT LED
The LNK/ACT (or LNK/ACT ) LED does not light up when a device is connected.
Table 3-2 Troubleshooting LNK/ACT LED
STEPS CORRECTIVE ACTION
1 Verify that the attached device(s) is turned on and properly connected to your switch.
2 Make sure the Ethernet adapters are working on the attached devices.
3 Verify that proper network cable type is used and its length does not exceed 100 meters. For more
information on network cable types, see
Table 2-3.
3.1.3 100, 1000 LEDs
The LEDs do not show the speed of my Ethernet device.
Table 3-3 Troubleshooting 1000 LEDs
STEPS CORRECTIVE ACTION
1 Check the connection between the switch and your Ethernet device(s).
2 Verify that you are using the proper cable type and that its length does not exceed 100 meters. For
more information on network cable types, see
Table 2-3 .