Edimax Technology EW-7206PDg ユーザーズマニュアル

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Troubleshooting 
scrambling security feature. On the software side, the WLAN series offers 
the encryption function (WEP) to enhance security and access control. 
 
7.  What is WEP? 
WEP stands for Wired Equivalent Privacy, a data privacy mechanism 
based on a 64(40)-bit shared key algorithm. 
 
8.  What is a MAC Address? 
The Media Access Control (MAC) address is a unique number assigned 
by the manufacturer to any Ethernet networking device, such as a 
network adapter, that allows the network to identify it at the hardware 
level. For all practical purposes, this number is usually permanent. Unlike 
IP addresses, which can change every time a computer logs on to the 
network, the MAC address of a device stays the same, making it a 
valuable identifier for the network. 
 
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