Wireless Access Point
134 Viewing Status on the Wireless AP
Signal-to-Noise Ratio (SNR)
For each station that is associated to the AP, the Signal-to-Noise Ratio (SNR)
window shows the station’s SNR value as measured by each IAP. In other words,
the window shows the SNR of the station’s signal at each IAP. The signal-to-noise
ratio can be very useful for determining the cause of poor performance at a
station. A low value means that action may need to be taken to reduce sources of
noise in the environment and/or improve the signal from the station.
Figure 75. Station Signal-to-Noise Ratio Values
You may choose to display Unassociated Stations as well with a checkbox at the
bottom of the window.
By default, the SNR is displayed numerically. (Figure 75) You may display
the relative value using color if you select Colorize Intensity, with the highest
SNR indicated by the most intense color. (Figure 76) If you select Graph, then
the SNR is shown on a representation of the AP, either colorized or numerically
based on your selection. The stations are listed to the left of the AP — click on a
station to show its SNR values on the AP.
Figure 76. Station SNR Values — Colorized Graphical View
In either graphical or tabular view, you may sort the rows based on any column
that has an active column header, indicated when the mouse pointer changes to
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