LevelOne AMG-2101, 1U, PPPoE, IP, IPSec/PPTP, POP3, LDAP, RADIUS, SIP, 100-240. 50/60 LevelOne AMG-2101. Rack capacity: 1U. Supported network protocols: PPPoE, Routing protocols: IP. VPN support: IPSec/PPTP. Authentication method: POP3, LDAP, RADIUS, SIP. Power requirements: 100-240. 50/60