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G-470 User’s Guide
60 Chapter 6 Wireless Screens
6.3.1 The AP Survey Window
Click on Wireless > Wireless Settings > AP Survey to display the AP Survey screen. The
ZyXEL Device searches for available access points (APs).
Figure 30 Wireless: the AP Survey Screen
The following table describes the labels in this screen.
Preamble Type Preamble is used to signal that data is coming to the receiver. Select the preamble
type that the AP uses.
Short and Long refer to the length of the
synchronization field in a packet.
Short Preamble increases performance as less time sending preamble means
more time for sending data. All IEEE 802.11b/g compliant wireless adapters
support Long Preamble, but not all support short preamble.
Select Auto to have the ZyXEL Device automatically use short preamble when all
access point or wireless stations support it; otherwise the ZyXEL Device uses long
preamble.
Note: The ZyXEL Device and the access point MUST use the same
preamble mode in order to communicate.
RTS/CTS
Threshold
Enter a value between 0 and 2345. The default is 2345.
Fragmentation
Threshold
Enter a value between 256 and 2340. The default is 2340. It is the maximum data
fragment size that can be sent.
Apply Click Apply to save your changes back to the device.
Reset Click Reset to begin configuring this screen afresh.
Table 7 Wireless: Wireless Settings (continued)
LABEL DESCRIPTION
Table 8 Wireless: the AP Survey Screen
LABEL DESCRIPTION
Access Point List
No. This field displays the number of the access point. The access points are
ranked by signal strength.