3Com WL-537 User Manual page 51

LAN Settings 55
WPA
To enable WPA, select WPA-PSK or WPA2-PSK from the Security
Mode.
Encryption Methods: Select either TKIP or AES as the encryption
method.
Passphrase:Enter a passphrase between 8 to 63 characters long.
Key Renewal:Enter the desired key renewal time in seconds.
Click Save to save the setting.