Extreme Networks Summit WM User Manual page 129

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the recommended values your RF plan has provided. Use the Auto Tx Power Ctrl Adjust value
to achieve the recommended values.
Channel Plan - For each radio, if ACS is enabled you can define a channel plan for the Altitude
AP. Defining a channel plan allows you to limit which channels are available for use during an
ACS scan. For example, you may want to avoid using specific channels because of low power,
regulatory domain, or radar interference.
For radio b/g, click one of the following:
3 Channel Plan - ACS will scan the following channels: 1, 6, and 11 in the US, and 1, 7, and 13
in Europe.
4 Channel Plan - ACS will scan the following channels: 1, 4, 7, and 11 in the US, and 1, 5, 9,
and 13 in Europe.
Auto - ACS will scan the default channel plan channels: 1, 6, and 11 in the US, and 1, 5, 9, and
13 in Europe.
Custom - If you want to configure individual channels from which the ACS will select an
operating channel, click Configure. The Add Channels dialog is displayed. Click the
individual channels you want to add to the channel plan while pressing the CTRL key, and
then click OK.
For radio a, click one of the following:
All Channels - ACS will scan all the channels for an operating channel.
Custom - If you want to configure individual channels from which the ACS will select an
operating channel, click Configure. The Add Channels dialog is displayed. Click the
individual channels you want to add to the channel plan while pressing the CTRL key, and
then click OK.
Dynamic Channel Selection - To enable Dynamic Channel Selection, click one of the following:
Monitor Mode - If traffic or noise levels exceed the configured DCS thresholds, an alarm is
triggered and an information log is generated.
Active Mode - If traffic or noise levels exceed the configured DCS thresholds, an alarm is
triggered and an information log is generated. In addition, the Altitude AP will cease
operating on the current channel and ACS is employed to automatically select an alternate
channel for the Altitude AP to operate on.
DCS Noise Threshold - Type the noise interference level, measured in dBms, after which ACS
will scan for a new operating channel for the Altitude AP if the threshold is exceeded.
DCS Channel Occupancy Threshold - Type the channel utilization level, measured as a
percentage, after which ACS will scan for a new operating channel for the Altitude AP if the
threshold is exceeded.
DCS Update Period - Type the time, measured in minutes that determines the period during
which the Altitude AP averages the DCS Noise Threshold and DCS Channel Occupancy
Threshold measurements. If either one of these thresholds is exceeded, then the Altitude AP
will trigger ACS.
Rx Diversity - For each radio, click Best for the best signal from both antennas, or Left or Right
to choose either of the two diversity receiving antennas. The default and recommended selection
is Best. If only one antenna is connected, use the corresponding Left or Right diversity setting.
Do not use Best if two identical antennas are not used.
Tx Diversity - For each radio, click Alternate for the best signal from both antennas, or Left or
Right to choose either of the two diversity receiving antennas. The default selection is Alternate
that maximizes performance for most clients. However, some clients may behave oddly with Tx
Diversity set to Alternate. Under those circumstances, it is recommended to use either Left or
Summit WM User Guide, Software Version 5.3
129

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