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748| Spectrum Analysis Dell Networking W-Series ArubaOS 6.5.x| User Guide
Spectrum Analysis Graph Configuration Options
The following sections describe the customizable parameters and the default settings for each spectrum
analysis graph.
Active Devices
This graph appears as a pie chart showing the percentages and total numbers of each device type for all active
devices seen by the spectrum monitor or hybrid AP radio. This chart is useful for determining which types of
devices are sending signals on the specified radio band or channel. The Active Devices graphs for spectrum
monitors can be configured to show data for several different device types on a single radio channel or range
of channels. Active Devices graphs for hybrid APs can show data for the single monitored channel only.
When you hover your mouse over any section of the pie chart, a tooltip displays the percentage and number of
active devices classified into that device type. The example in Figure 117 shows that 99% of the active devices a
spectrum monitor radio sees in the 2.4 GHz band are Wi-Fi APs.
Figure 117 Active Devices Graph
Click the down arrow in the upper right corner of this chart then click the Options menu to access the
configuration settings for the Active Devices graph. 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
Band Radio band displayed in this graph (2.4 GHz or 5 GHz)
Channel num-
bering
This parameter is not configurable for graphs created by hybrid APs or spectrum mon-
itor 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. For spectrum monitors using the 5 GHz radio band,
click the Channel Numbering drop-down list and select either 20 MHz or 40 MHz
channel numbering to identify a channel numbering scheme for the graph. Graphs for
AP radios that support 802.11ac include an additional 80MHz option for very-high-
throughput channels.
Table 157: Active Devices Graph Options