ZyXEL P-335U User Guide - Page 83
Wireless LAN Advanced Screen
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P-334U/P-335U User's Guide 4.6 Wireless LAN Advanced Screen Click Network > Wireless LAN > Advanced. The screen appears as shown. Figure 47 Advanced The following table describes the labels in this screen. Table 30 Advanced LABEL DESCRIPTION Wireless Advanced Setup RTS/CTS Threshold Enter a value between 0 and 2432. Fragmentation It is the maximum data fragment size that can be sent. Enter a value between 256 Threshold and 2432. 802.11 Mode Select 802.11b to allow only IEEE 802.11b compliant WLAN devices to associate with the ZyXEL Device. Select 802.11g to allow only IEEE 802.11g compliant WLAN devices to associate with the ZyXEL Device. Select 802.11b/g to allow either IEEE802.11b or IEEE802.11g compliant WLAN devices to associate with the ZyXEL Device. The transmission rate of your ZyXEL Device might be reduced. If you push the AG switch to the A side on the rear panel, this field is read-only and displays 802.11a to allow only IEEE 802.11a compliant WLAN devices to associate with the ZyXEL Device. Allow non 802.11h stations This field is available when you push the AG switch to the A side on the rear panel. The IEEE 802.11h standard defines two mechanisms (DFS and TPC) for IEEE 802.11a WLAN devices to avoid interference with other devices, such as satellites and military radar. DFS (dynamic frequency selection) allows the AP to detect other devices in the same channel. If found it, the AP changes to different channel, so that the AP can avoid interference with radar systems or other wireless networks. TPC (transmit power control) helps reduce the wireless device's transmission power to avoid interference with satellites. Select the check box to also allow the WLAN devices which do not support IEEE 802.11h to associate with the ZyXEL Device. Otherwise, clear the check box to allow only IEEE 802.11h compliant WLAN devices to associate with the ZyXEL Device. Chapter 4 Wireless LAN 83