Asus WL-HDD2.5 - Manual (Page 40)

3 - Software
Chapter 3 - Software Configuration
40 ASUS Wireless "WL-HDD" User’s Manual
Key depending on the AP’s encryption system. The authentication method
for the AP should be the same as that chosen for the ASUS Wireless "WL-
HDD" (see “Authentication Method”).
Encryption Method
Select WEP - 64 bits or WEP - 128 bits for the encryption method to protect
your data by encrypting it. The encryption scheme for the AP should be the
same as that chosen for the ASUS Wireless "WL-HDD" (see “Encryption”).
Passphrase
Type in the passphrase that will be used to create one to four WEP encryption
keys. A password with 8 to 63 characters is required. If you leave this field
blank, the WEP keys are randomly generated.
WEP Keys (1 ~ 4)
The WEP keys are generated randomly or based on your passphrase. A
WEP key is either 10 or 26 hexadecimal digits (0~9, a~f, and A~F) based
on whether you select 64 bit or 128 bit in the WEP pull-down menu.
Default Key
The Default Key field lets you specify which of the four encryption keys
you use to transmit data on your wireless LAN. The selected AP and ALL
of its wireless clients MUST have the same default key.