Lancom Systems 1721+ VPN. DSL connection type: ADSL, DSL specification: ITU G.992.3, ITU G.992.5 Annex B, ITU G.992.5 Annex A. Switching protocols: Ethernet, Routing protocols: RIP, RIP-1, RIP-2, SAP, VRRP, Data link protocols: Ethernet, Fast Ethernet, PPP. Authentication method: PAP, CHAP, MS-CHAP, MS-CHAPv2/PPP, Filtering: IP, URL. Certification: CE, EN 60950, EN55022, EN55024. Power consumption (typical): 7 W