it affects all those channels. Similarly, if a channel-hopping device uses all channels within a frequency band, it is counted as a device on all channels in that band.

When you hover the mouse over any part of the chart, a tooltip shows the numbers of the device type currently using that channel. The example in Figure 219 shows that the spectrum monitor can detect 42 APs on channel 5.

Figure 219: Devices vs Channel

Table 220 describes the parameters you can use to customize the Devices vs Channel 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.

Table 220: Devices vs Channel Options

Parameter

Description

Band

Radio band displayed in this graph.

 

For spectrum monitor radios using the 5 GHz radio band, click the Band drop-down list and select 5

 

GHz upper, 5GHz middle or 5Ghz lower to display data for that portion of the 5 Ghz radio band. This

 

parameter is not configurable for graphs created by hybrid APs or spectrum monitor radios that use

 

the 2.4 GHz radio band.

 

 

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.

 

 

Channel Range

For graphs created by spectrum monitors, specify a channel range to determine which channels

 

appear in this graph. Click the first drop-down list to select the lowest channel in the range, then

 

click the second drop-down list to select the highest channel to appear in the graph.

 

By default, this graph displays all channels within the spectrum monitor’s radio band.

 

NOTE: This parameter is not configurable for graphs created by hybrid APs.

 

 

Show

This graph can show data for up to five different device types. To show how many devices of a

 

specific type are sending a signal on the selected channel range, click the show checkbox by that

 

device, then click the device drop-down list and select one of the following device types.

 

 

Dell PowerConnect W-Series ArubaOS 6.2 User Guide

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