Yamaha CS-700 Operation Manual page 30

Authentication Settings
Authentication Settings provides the option to enable 802.1x authentication on
the CS-700. To enable 802.1x authentication, check the Enable 802.1x
authentication setting. Supported authentication types are MD5 and Protected
EAP (Protected Extensible Authentication Protocol).
A username and password are needed to complete the authentication process.
If Protected EAP (Protected Extensible Authentication Protocol) is selected the
server-side public key certificate will need to be uploaded to the CS-700.
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