NETGEAR FS518T manual Troubleshooting Information

FS518T.Manual.FINAL 5/19/00 12:55 PM Page 31

CHAPTER 5: TROUBLESHOOTING

This chapter provides information about troubleshooting the Model FS518T Fast Ethernet Switch. Table 5-1 lists symptoms, causes, and solutions of possible problems.

Table 5-1. Troubleshooting Information

Symptom	Cause	Solution
Power LED is off.	No power is received	Check the power cord connections for the switch and
	at the hub.	the connected device.
		Check for a defective adapter card, cable, or port by
		testing them in an alternate environment where all
		products are functioning.
		Make sure all cables used are correct and comply
		with Ethernet specifications.
Either 10M, 100M,	Port connection is	Check the crimp on the RJ-45 connectors, and make
or 1000M Link LED	not functioning.	sure that the plug is properly inserted and locked into
is off or intermittent.		the port at both the switch and the connecting device.
		Make sure all cables used are correct and comply
		with Ethernet specifications.
One or more	Not all system	Test the components in an alternate environment
components are	components are	where all other components are functioning properly.
malfunctioning.	properly installed.
A segment or device	One or more devices	Verify that the cabling is correct (refer to
is not recognized as	are not properly	Appendix C, “Cabling Guidelines”).
part of the network.	connected or cabling	Be sure all cable connectors are securely positioned
	does not meet
		in the required ports. Straight-through cables should
	Ethernet guidelines.
		be used for all standard twisted pair connections.
		Make sure all devices are connected to the network.
		Equipment may have been accidentally disconnected.

troubleshooting 5-1