ZyXEL NWA90AX User Guide - Page 100
AP Profile, GHz Channel Selection Method
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Chapter 12 AP Profile Table 38 Configuration > Object > AP Profile > Radio > Add/Edit (continued) LABEL DESCRIPTION 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. 2.4 GHz Channel Deployment Select the channels that you want the Zyxel Device to use. 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 channelhopping to these three "safe" channels. Enable 5 GHz DFS Aware 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. 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. 5 GHz Channel Selection Method Enabling this forces the AP to select a non-DFS channel. 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. Time Interval DCS Time Interval Select the channels that you want the Zyxel Device to use. Select this option to have the Zyxel Device survey the other APs within its broadcast radius at the end of the specified 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. NWA50AX/NWA90AX/NWA55AXE Series User's Guide 100
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