Planet FNSW-4800 [15/18] Troubleshooting

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

Solution

Check the cable connection of the Switch.

Performance is bad

Solution

Check the speed duplex mode of the partner device. The

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

partner is set to half duplex, then the performance will

be poor.

100Base-TX port link LED is lit, but the trafc is irregular

Solution

Check that the attached device is not set to dedicate 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.

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..