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.

Table 218: Channel Utilization Trend Options

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:

 

10 minutes

 

30 minutes

 

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.

 

 

 

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

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Dell 6.2 manual Devices vs Channel, Intervals, As non-Wi-Fi data, Uncheck the checkbox by that channel number

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