3Com 3CRWE80096A User Guide - Page 49
Troubleshooting
UPC - 662705441221
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6 TROUBLESHOOTING If you have difficulty with the access point, try the solutions in the following table. Symptom Solutions Access point does not power up. Make sure the Ethernet cable is plugged into the port labeled 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 has no connection to the wired network. Make sure that the Ethernet cable is plugged into the port labeled To Hub/Switch on the power brick. Verify the network wiring and topology for proper configuration. Check that the cables used are the proper type. Access point powers up, but does not associate with wireless clients. Confirm that the WLAN service area on the access point matches that on the 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 connected to the wired LAN, the device manager cannot find an access point. The device manager cannot discover devices across routers. Make sure that the computer is connected on the same segment as the access point.