Chapter 12 AP Profile
NWA50AX/NWA90AX/NWA55AXE Series User’s Guide
100
2.4 GHz Channel
Selection Method
This field is available when you set Channel Selection to DCS.
Select how you want to specify the channels the Zyxel Device switches between for 2.4
GHz operation.
Select auto to have the Zyxel Device display a 2.4 GHz Channel Deployment field you can
use to limit channel switching to 3 or 4 channels.
Select manual to select the individual channels the Zyxel Device switches between.
Note: The method is automatically set to auto when no channel is selected or
any one of the previously selected channels is not supported.
Channel ID This field is available only when you set Channel Selection to DCS and set 2.4 GHz Channel
Selection Method to manual.
Select the channels that you want the Zyxel Device to use.
2.4 GHz Channel
Deployment
This is available when you set Channel Selection to DCS and the 2.4 GHz Channel Selection
Method is set to auto.
Select Three-Channel Deployment to limit channel switching to channels 1,6, and 11, the
three channels that are sufficiently attenuated to have almost no impact on one another.
In other words, this allows you to minimize channel interference by limiting channel-
hopping to these three “safe” channels.
Select Four-Channel Deployment to limit channel switching to four channels. Depending
on the country domain, if the only allowable channels are 1-11 then the Zyxel Device uses
channels 1, 4, 7, 11 in this configuration; otherwise, the Zyxel Device uses channels 1, 5, 9, 13
in this configuration. Four channel deployment expands your pool of possible channels
while keeping the channel interference to a minimum.
Enable 5 GHz DFS
Aware
This field is available only when you select 5G in the 802.11 Band field, set Channel
Selection to DCS and set 5 GHz Channel Selection Method to auto.
Select this if your APs are operating in an area known to have RADAR devices. This allows
the Zyxel Device to downgrade its frequency to below 5 GHz in the event RADAR signal is
detected, thus preventing it from interfering with that signal.
Enabling this forces the AP to select a non-DFS channel.
5 GHz Channel
Selection Method
Select how you want to specify the channels the Zyxel Device switches between for 5 GHz
operation.
Select Auto to have the Zyxel Device automatically select the best channel.
Select manual to select the individual channels the Zyxel Device switches between.
Note: The method is automatically set to auto when no channel is selected or
any one of the previously selected channels is not supported.
Channel ID This field is available only when you set Channel Selection to DCS and set 5 GHz Channel
Selection Method to manual.
Select the channels that you want the Zyxel Device to use.
Time Interval Select this option to have the Zyxel Device survey the other APs within its broadcast radius
at the end of the specified time interval.
DCS Time Interval This field is available when you set Channel Selection to DCS and select the Time Interval
option.
Enter a number of minutes. This regulates how often the Zyxel Device surveys the other APs
within its broadcast radius. If the channel on which it is currently broadcasting suddenly
comes into use by another AP, the Zyxel Device will then dynamically select the next
available clean channel or a channel with lower interference.
Table 38 Configuration > Object > AP Profile > Radio > Add/Edit (continued)
LABEL DESCRIPTION
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