Zyxel P324, SNMP, Telnet, HTTP, Ethernet, Fast Ethernet, PPP, Ethernet, RIP-1, RIP-2, 9 V AC, 11.2 oz (318 g) Zyxel P324. Management protocols: SNMP, Telnet, HTTP, Data link protocols: Ethernet, Fast Ethernet, PPP, Switching protocols: Ethernet. Power requirements: 9 V AC. Weight: 11.2 oz (318 g), Dimensions (WxDxH): 7.09 x 5 x 1.4" (180 x 127 x 35.6 mm). Voice features: - TCP/IP - PPTP - UDP/IP - ICMP/IP - PPPoE