Troubleshooting
Symptoms and solutions
Most problems with the Express 130T Standalone Hub are caused by incorrect cabling. If you have problems connecting devices, check your cabling first.
A port LED is orange.
This means the hub has autodisabled (partitioned) a port.
•Check the attached device’s LAN adapter and cabling.
•See “Autodisabled Ports” on page 5.
A port LED doesn’t light after a cable is attached.
This means the connected device has a defective network adapter, cable, or port.
•Test the cable (see “Testing a cable” on page 11).
•Make sure the correct cable type
page 10.
•Check the LAN adapter.
•Try another port on the hub.
A 10/100 LAN adapter connects at 10Mbps but not at 100Mbps.
•Check to see if the LAN adapter’s speed is forced to 10Mbps.
•Make sure you’re using CAT 5 cable to connect the LAN adapter to the hub.
After you’ve forced a network adapter to 100Mbps from 10Mbps, you’re unable to connect to the network.
•Unplug the network cable for a few seconds, then reconnect.
Tips
•Make sure cable length between the hub and attached PCs, servers, switches, and print servers, doesn’t exceed 100 meters. The IEEE specification requires this distance.
•If you’re connecting two Express 130T Standalone Hubs or a 130T Standalone hub and a
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