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This chapter contains information to help you solve problems. If the Ethernet Switch is not
functioning properly, make sure the Ethernet Switch was set up according to instructions
in this manual.
The LNK LED is not lit
Solution:
Check the cable connection and remove duplex mode of the Ethernet Switch
The 100Base-FX fiber module's link LED and FDX LED is not lit
Solution:
Please check the fiber connection is correct and set the module slide switch at full-
duplex mode.
Performance is bad
Solution:
Check the full duplex status of the Ethernet Switch. If the switch is set to full duplex
and the partner is set to half duplex, then the performance will be poor. Please also
check the in/out rate of the port.
Why the Switch doesn't connect to the network
Solution:
Check the LNK/ACT LED on the switch
Try another port on the Switch
Make sure the cable is installed properly
Make sure the cable is the right type
Turn off the power. After a while, turn on power again
Chapter 4
TROUBLESHOOTING
11
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