Planet Technology GSW-1601 - Manual (Page 14)

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4.Troubleshooting
This chapter contains information to help you solve issues. If the Gigabit Ethernet
Switch is not functioning properly, make sure the Gigabit Ethernet Switch was set
up according to instructions in this manual.
The per port LED is not lit
Solution
Check the cable connection of the Gigabit Ethernet Switch.
Performance is bad
Solution
Check the speed duplex mode of the partner device. The Gigabit
Ethernet Switch is run at Auto-negotiation mode and if the partner
is set to half duplex, then the performance will be poor.
Per port LED is lit, but the traffic 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 Gigabit Ethernet Switch doesn’t connect to the network
Solution
Check per port LED on the Gigabit Ethernet Switch. Try another
port on the Gigabit Ethernet 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.