Compex Systems 802.11N - Manual (Page 41)

WPA + EAP_TLS, WPA-TTLS, WPA-PEAP
Fig 2.8 WPA (Station /Station WDS/Repeater WDS)
This apply to the following modes only, when WPA or WPA2, with EAP is selected.
Station, Station WDS, Repeater WDS mode.
Identity
Identification credential used by the wpa-supplicant for EAP authentication.
User Name:
Identification credential used by the wpa-supplicant for EAP tunneled authentication in
unencrypted form.
User Password:
Password credential used by the wpa-supplicant for EAP authentication