Airlink101 AWMB100 - Manual (Page 32)

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Authentication Type
To provide a certain level of security, the
IEEE 802.11 standard has defined two types
of authentication methods, Open System and
Shared Key. With Open System
authentication, a wireless PC can join any
network and receive messages that are not
encrypted. With Shared Key authentication,
only those PCs that possess the correct
authentication key can join the network. By
default, IEEE 802.11 wireless devices
operate in an Open System network.
Wired Equivalent Privacy (WEP) data
encryption is used when the wireless devices
are configured to operate in Shared Key
authentication mode.
If the Access Point is using Open System
mode, the wireless adapters on the network
will need to be set to the same authentication
mode. Shared Key is used when both the
sender and the recipient share a secret key.
Select Auto for the network adapter to select