ZyXEL NWA-3163 User Guide - Page 106
Disabled, Table 17
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Chapter 6 AP Controller Mode Table 17 Radio Edit Screen LABEL DESCRIPTION Disable channel switching for DFS This field displays only when you select 802.11a or 802.11n/a in the 802.11 Radio Mode field. Select this if you do not want to use DFS (Dynamic Frequency Selection). Super Mode DFS (dynamic frequency selection) allows an AP to detect other devices in the same channel. If there is another device using the same channel, the AP changes to a different channel, so that it can avoid interference with radar systems or other wireless networks. (For NWA-3160 and NWA-3163) Choose Channel ID Select this to improve data throughput on the WLAN by enabling fast frame and packet bursting. Set the operating frequency/channel depending on your particular region. To manually set the NWA to use a channel, select a channel from the drop-down list box. Click MAINTENANCE and then the Channel Usage tab to open the Channel Usage screen to make sure the channel is not already used by another AP or independent peer-to-peer wireless network. To have the NWA automatically select a channel, click Auto Selection instead. Disable DCS to unlock This appears if the DCS feature is enabled. Click this to disable DCS and select a channel ID manually. DCS is Disabled by default Short GI A-MPDU Aggregation If the NWA is configured in Controller AP mode, it is recommended that you enable Dynamic Channel Selection (DCS). This allows the NWA to select channels with less intereference for Managed APs. This field is available only when 802.11n/g or 802.11n/a is selected as the 802.11 Radio Mode. Select Enable to use Short GI (Guard Interval). The guard interval is the gap introduced between data transmission from users in order to reduce interference. Reducing the GI increases data transfer rates but also increases interference. Increasing the GI reduces data transfer rates but also reduces interference. This field is available only when 802.11n/g or 802.11n/a is selected as the 802.11 Radio Mode. Select Enable to allow the grouping of several A-MSDUs (Aggregate MAC Service Data Units) into one large A-MPDU (Aggregate MAC Protocol Data Unit). This function allows faster data transfer rates. 106 NWA-3160 Series User's Guide