Allied Telesis AT-WCU200G - Manual (Page 55)

AT-WCU200G User’s Guide
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WPA-PSK Network Authentication: When choosing WPA-PSK this
option does not require a certificate, but it implements a Pre-shared Key
which is a user defined encryption parameter. This is commonly used
when a certificate is not available for clients. When selecting WPA-PSK
TKIP, the Pre-shared Key must be entered into the Network Key field. See
Figure 26.
Figure 26 Network Key Field
For WPA and WPA-PSK there are two options for data encryption, choose
one of the following options:
TKIP - Temporal Key Integrity Protocol. TKIP addresses the WEP static key
problem by dynamically updating the key, based on WEP's own RC4
encryption across all devices once for every 10,000 packets transmitted
Wireless