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595 | Spectrum Analysis DellPowerConnectW-SeriesArubaOS6.2 | User Guide
Figure 217: Channel Utilization Trend
Table 218 describes the parameters you can use to customize the Channel Utilization Trend chart. Click the down
arrow in the upper right corner of this chart then click the Options menu to access these configuration settings.
Once you have configured the desired parameters, click OK at the bottom of the Options menu to save your
settings and return to the spectrum dashboards.
Parameter Description
Intervals By default, the Channel Utilization Trend chart shows channel quality or channel availability for
the past 10 minutes. To view data for a different time range, click the Intervals drop-down list
and select one of the following options:
l 10 minutes
l 30 minutes
l 1 hour
Band Radio band displayed in this graph (2.4 GHz or 5 GHz).
Channel Numbering For spectrum monitors using the 5 GHz radio band, select either 20 MHz or 40 MHz channel
numbering to identify a channel numbering scheme for the graph.
NOTE: This parameter is not configurable for graphs created by hybrid APs or spectrum monitor
radios that use the 2.4 GHz radio band. A hybrid AP on a 20 MHz channel sees 40 MHz Wi-Fi data
as non-Wi-Fi data.
Show To select individual channels you want to display on this chart, click the checkbox by a channel
entry, then click the channel drop-down list to select the channel to display. To hide a channel,
uncheck the checkbox by that channel number.
Table 218:
Channel Utilization Trend Options
Devices vs Channel
This stacked bar chart shows the current number of devices using each channel in the radio’s frequency band. This
chart can show separate per-channel statistics for the numbers of Wi-Fi devices, cordless phones, bluetooth devices,
microwaves, and other non-Wi-Fi devices.
If a device affects more than one channel, it is recorded as a device on all channels it affects. For example, if a
20Mhz Wi-Fi AP has a center frequency of 2437 Mhz (channel 6) it is counted as a device on channels 3-9 because