Справочник Пользователя для Acer IEEE 802.11b Wireless USB Adapter

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3.3.4 Encryption 
You may enhance the security level of wireless network by 
enabling the Encryption function. 
• 
WEP Key to use: 
You can choose one of the four Keys you typed (Key1~Key4) as 
the WEP Key. 
• 
WEP Mode:  
If you set the Mode Optional, your device can communicate with 
the stations with disabled WEP. Otherwise, if you set the Mode 
Mandatory, then your device cannot communicate with the 
stations with disabled WEP. 
• 
Authentication Type:  
Mostly, Open System Authentication algorithm is adopted. In 
Shard Key Authentication algorithm, you must have WEP on, the 
algorithm should be different, and some steps use packets with 
encryption by transferring a challenge text. In order to choose 
which authentication algorithm will be used, you must know which 
one the AP supports first. Most of the APs only support Open 
System.