Oki LAN 510W - Manual (Page 9)

9 Configuration Overview
• EAP-TLS requires authentication of the Server Certificate
issued by a Certificate Authority and sent from a RADIUS
server.
• Certificate Authentication requires that the printer have a
certificate issued by the Certificate Authority that issued the
Server Certificate.
• Required file formats = [PEM] or [DER].
• Suitable CA Certificate extensions include *.pem, *.der and
*.cer.