Users Guide

Table Of Contents
628 | Spectrum Analysis Dell PowerConnect W-Series ArubaOS 6.1 | User Guide
Figure 142 Channel Metrics Graph
Table 131 describes the parameters that can be displayed in the Channel Metrics graph. 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.
Channel Metrics Trend
By default, this line chart shows the current relative quality of selected channels in the 2.4 GHz or 5 GHz radio
bands over a period of time. The Channel Metrics Trend chart can also be configured to display trends for the
current availability of selected channels within the selected channel range, or the percentage of utilization for
Table 131 Channel Metrics Options
Parameter Description
Band This field shows the radio band used by the spectrum monitor or hybrid AP radio (2.4 GHz or 5GHz). It is
not selectable and cannot be changed via the Options window.
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.
Channel Range For graphs created by spectrum monitors, specify a channel range to determine which channels will
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 will display all channels within the spectrum monitor’s radio band.
NOTE: This parameter is not configurable for graphs created by hybrid APs.
Display Mode Select Channel Quality to show the relative quality of the channel. Channel Quality is a weighted
metric derived from key parameters which include noise, non-Wi-Fi (interferer) utilization and duty-
cycles, and certain types of retries.
Select Channel Availability to show the percentage of the channel that is unused and available for
additional Wi-Fi traffic.
Select Channel Utilization to show both the percentage of the channel that is currently utilized by Wi-
Fi devices, and the percentage of each channel that is being utilized by non-802.11 devices or 802.11
adjacent channel interference (ACI).