8 Troubleshooting
Link LED does not lit after cable is connected to the port.
．Verify that the other end of the cable is connected to a device that is powered on and on-line.
100BASE-TX port Link LED is lit, Collision LED is blinking, but traffic is irregular.
．Check that the attached device is not set to dedicated Full-Duplex. (Some devices use a
physical or software switch to change Duplex modes. Auto-Negotiation may not recognize this
type of Full-Duplex setting).
Note: For any change to DIP switch settings to take effect, the Switch must be turned “OFF”,
then “ON” again.
Always check that:
．Cable and link distances are within the network’s specifications.
．Overall network diameters are within the network’s specification.
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