3Com 11 Mbps manual Troubleshooting, Symptom Solutions

6

TROUBLESHOOTING

If you have difficulty with the access point, try the solutions in the following table.

Symptom	Solutions
Access point does not	Make sure the Ethernet cable is plugged into the port labeled
power up.	To Access Point on the power brick.
	Check for a faulty access point power supply.
	Check for a failed AC power supply
No operation.	Verify the access point configuration.
	Review access point firmware revisions and update firmware
	if necessary.
	Make sure that there are no duplicate IP addresses on the
	network. Unplug the access point and ping the assigned
	address to make sure that no other device responds to that
	address.
Access point powers up, but	Make sure that the Ethernet cable is plugged into the port
has no connection to the wired	labeled To Hub/Switch on the power brick.
network.	Verify the network wiring and topology for proper
	configuration. Check that the cables used are the proper
	type.
Access point powers up, but	Confirm that the WLAN service area on the access point
does not associate with	matches that on the clients.
wireless clients.	Verify that the clients are operating correctly.
	Make sure that security settings on the access point match
	those on the clients.
	Make sure that the access point antennas are positioned
	properly.
	Check the range and move clients closer if necessary.
Slow or erratic performance.	Try changing the wireless channel on the access point.
	Check the access point antennas, connectors, and cabling for
	loose connections.
	Check the wired network topology and configuration
	for malfunctions.
Running on a computer	The device manager cannot discover devices across routers.
connected to the wired LAN,	Make sure that the computer is connected on the same
the device manager cannot	segment as the access point.
find an access point.