3Com Wireless LAN Controller WX2200 - Manual (Page 169)

Monitoring Examples 169
A high number of Transmit Timeouts for either the Current MAP or
Lifetime of the user can indicate interference problems.
5 Select the Location History tab to view where the user has been roaming.
These statistics indicate whether interference problems are occurring in
specific areas of the WLAN.
Monitor a Group of
Users
If a group of users in a specific area of a floor notify you that they are
experiencing poor performance, target a radio or multiple radios, and
view the noise and events. RF statistics are found under the RF Monitor
and RF Trends tabs.
To view the RF monitor statistics
1 Click on the Monitor option in the main 3WXM tool bar.
2 Select the RF Monitor view.
3 Expand the Equipment list in the Organizer panel, and select a radio.