User Guide
Page 52
... access point firmware revisions and update firmware if necessary. The 3Com Device Manager cannot discover devices across routers. Make sure that the computer is now listed. Check the access point antennas, connectors, and cabling for loose connections. Make sure that the access point antennas are no other device responds to the wired LAN, the 3Com Device Manager cannot find an access point...
... access point firmware revisions and update firmware if necessary. The 3Com Device Manager cannot discover devices across routers. Make sure that the computer is now listed. Check the access point antennas, connectors, and cabling for loose connections. Make sure that the access point antennas are no other device responds to the wired LAN, the 3Com Device Manager cannot find an access point...