4.Troubleshooting

This chapter contains information to help you solve issues. If the Switch is not functioning properly, make sure the Ethernet Switch was set up according to instructions in this manual.

The Link/Act LED is not lit

Check the cable connection of the Switch.

Solution

Performance is bad

 

 

 

Check the speed duplex mode of the partner device. The

 

 

 

FNSW-4800 is run at Auto-negotiation mode and if the

 

Solution

 

partner is set to half duplex, then the performance will

 

 

be poor.

 

 

 

 

 

 

 

100Base-TX port link LED is lit, but the traffic is irregular

 

 

 

 

 

 

 

Check that the attached device is not set to dedicate full

 

 

 

duplex. Some devices use a physical or software switch

 

Solution

 

to change duplex modes. Auto-negotiation may not

 

 

recognize this type of full-duplex setting.

 

 

 

 

 

Why the Switch doesn’t connect to the network

 

 

 

 

 

 

 

Check the LNK/ACT LED on the Switch Try another port

 

 

 

on the Switch Make sure the cable is installed properly

 

Solution

 

Make sure the cable is the right type Turn off the power.

 

 

After a while, turn on power again..

 

 

 

 

 

 

 

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