NETGEAR FS102 manual Troubleshooting Information, Symptom, Cause, Solution

Troubleshooting Information

Symptom	Cause	Solution
Green Link LED is	Port connection is	Make sure the attached device is powered and there is
off on an active	not functioning.	a proper UTP connection at that end.
port.		Make sure the network adapter card installed in the
		PC is in working condition. Verify that the network
		adapter card is100 Mbps capable and that the 100
		Mbps LED and Link LEDs are on at the network
		adapter card in the PC.
		Make sure the proper cable is installed, and check for
		miswired cable pairs or loose connectors.
Green Link LED is	Port connection is	Make sure the port termination at both the switch and
intermittent on an	not functioning.	the device end is correct. Check the crimp on the RJ-
active port.		45 connectors. In a Fast Ethernet operation, the
		quality of the crimp on the connector is important. It is
		also important that only Category 5 cable is used and
		that it is certified for 100 Mbps operation.
		Make sure the length of the UTP cable from the switch
		to the device does not exceed 328 feet (100 meters).
		Using cable test equipment, make sure the cable
		meets the crosstalk, attenuation, and impedance
		specifications as required by the 100BASE-TX
		standard. Refer to “Cable and Connector Information”
		for information about cable specifications.
Green Link LED is	Port connection is	Check the Normal/Uplink push button on the front
off on ports 1 or 2	not functioning.	panel.
on the Model		If you are using a straight-through cable connected to
FS102 switch, port		a PC or other MDI-wired device, make sure the
4 on the Model		Normal/Uplink push button is set in the Normal
FS104 switch, or		position.
port 8 on the		If you are using a straight-through cable connected to
Model FS108		a router or another switch, make sure the Normal/
switch.		Uplink push button is set in the Uplink position.
		Try the alternate position of the Normal/Uplink push
		button to turn the Link LED on.
		Refer to “Cable and Connector Information” for cable
		information.
Green 100 Mbps	Port is operating in	Make sure the adapter card is capable of 100 Mbps
LED is off when	10 Mbps mode.	operation and set for 100 Mbps operation if it is not
operating in a Fast		autosensing.
Ethernet network.
Green Link LED is	Port is operating in	Make sure the duplex switch on the Model FS102/
on and Green FDX	half-duplex mode.	FS104/FS108 switch is set for full-duplex operation.
LED is off when		Make sure the connected device is capable of full-
connected to a full		duplex transmission.
duplex network.

Model FS102, Model FS104, Model FS108 Fast Ethernt Switch Installation Guide