
TD-W8968  300Mbps Wireless N USB ADSL2+ Modem Router User Guide
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¾ WEP: It is based on the IEEE 802.11 standard.  
• Authentication Type - You can choose the type for the WEP security on the drop-down list. 
The default setting is Open System. If you choose Auto, the modem router can select 
Shared Key or Open System authentication type automatically based on the wireless 
station's capability and request. 
• WEP Key Format - Hexadecimal and ASCII formats are provided here. Hexadecimal 
format stands for any combination of hexadecimal digits (0-9, a-f, A-F) in the specified 
length. ASCII format stands for any combination of keyboard characters in the specified 
length.  
• WEP Key - Select which of the four keys will be used and enter the matching WEP key that 
you create. Make sure these values are identical on all wireless stations in your network.  
• Key Type - You can select the WEP key length (64-bit, or 128-bit, or 152-bit.) for encryption. 
"Disabled" means this WEP key entry is invalid. 
64-bit - You can enter 10 hexadecimal digits (any combination of 0-9, a-f, A-F, zero key is 
not promoted) or 5 ASCII characters.  
128-bit - You can enter 26 hexadecimal digits (any combination of 0-9, a-f, A-F, zero key is 
not promoted) or 13 ASCII characters.  
) Note:  
If you do not set the key, the wireless security function is still disabled even if you have selected 
Shared Key as Authentication Type. 
Be sure to click the Save button to save your settings on this page. 
4.7.4  Wireless MAC Filtering 
Choose menu “Wireless” Æ ”MAC Filtering”, you can control the wireless access by configuring 
the Wireless MAC Filtering function, shown in Figure 4-36.