Planet Technology GSD-Series - Manual (Page 15)

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4. TROUBLESHOOTING
This chapter contains information to help you solve problems. If the 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 GSD-503/GSD-504 and GSD-803/GSD-804.
Performance is bad
Solution:
Check the speed duplex mode of the partner device. The GSD-503/GSD-504 and
GSD-803/GSD-804 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 Switch doesn’t connect to the network
Solution:
Check per port 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.