Chapter 4 Troubleshooting
GS1100 Series User’s Guide
29
The PWR LED on the front panel does not light up.
• 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.
• Make sure the power source is turned on and that the Switch is receiving sufficient power.
• If these steps fail to correct the problem, contact your local distributor for assistance.
The LNK/ACT, 1G or 10/100 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.
• Make sure the network adapters are working on the attached devices.
• 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 4 on page 20.
The PoE LED is off and/or power is not being supplied to my PoE-enabled device. (For GS1100-
10HP)
• Check to see that the power adaptor is securely connected to the GS1100-10HP and an appropriate
power source. Make sure the power source is on and functioning properly.
• Check that the Ethernet cables are connected properly and that you are using the correct type of
Ethernet cable. Contact your local distributor if the problem persists.
4.2 Improper Network Cabling and Topology
Improper network cabling or topology setup is a common cause of poor network performance or even
network failure.
Figure 22 Troubleshooting Improper Network Cabling and Topology
PROBLEM CORRECTIVE ACTION
Faulty cables Using faulty network cables may affect data rates and have an impact on your network
performance. Replace with new standard network cables.
Non-standard
network cables
Non-standard cables may increase the number of network collisions and cause other network
problems that affect your network performance. Refer to Table 4 on page 20 for more
information on network cable types.
Cabling Length If you use longer cables than are needed, transmission quality may be affected.
The network cables should not be longer than the limit of 100 meters.
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