OpenBrain Wireless USB Adaptor 303W - Manual (Page 13)

OPEN303W
User Guide
13
Field Definition
Authentication
Mode Select the Authentication mode from the drop-down menu, there are two modes for you to
choose, Open System and Shared Key.
Fragment
The mechanism of Fragmentation Threshold is used to improve the efficiency when high
traffic flows along in the wireless network. If your 802. Wireless LAN Adaptor often transmit
large files in wireless network, you can enter new Fragment Threshold value to split the
packet. The value can be set from 256 to 2346. The default value is 2346.
RTS/CTS
RTS/CTS Threshold is a mechanism implemented to prevent the “Hidden Node” problem. If
the “Hidden Node” problem is an issue, users have to specify the packet size. The RTS/CTS
mechanism will be activated if the data size exceeds the value you set.. The default value is
2347.
This value should remain at its default setting of 2347. Should you encounter inconsistent
data flow, only minor modifications of this value are recommended.
Preamble
A preamble is a signal used in wireless environment to synchronize the transmitting timing
including Synchronization and Start frame delimiter. Select from the pull-down menu to
change the Preamble type into Long or Short.
Field Definition
MAC Address
Filter
Click Setting and you will see the following figure. You can select the Filter Type from the
drop-down menu.
Disable - Select to disable the filter function.
Accept - You can type in 15 MAC addresses by clicking Change. If you select Accept, then
the MAC address(es) you type in will be connected to the AP.
Reject - You can type in 15 MAC addresses by clicking Change. If you select Reject, then the
MAC address(es) you type in will not be connected to the AP.
Bridge
Adaptor
The stations will not be allowed to connect to the internet if you select No bridge.
The stations will be allowed to connect to the internet if you select the device listed in the pull-
down menu.