Cisco 1721, EIGRP, HSRP, OSPF, Ethernet, Fast Ethernet, 128 MB, 0 - 40 °C, 10 - 85 persen, AC 100/240 V ( 50/60 Hz )
Cisco 1721. Protokol routing: EIGRP, HSRP, OSPF, Protokol data link: Ethernet, Fast Ethernet. Memori internal: 128 MB. Persyaratan daya: AC 100/240 V ( 50/60 Hz ), Platform pengelolaan: Cisco IOS, Kecepatan transfer data maksimal: 0,1 Gbit/dt. Port I/O: 1 x network - Ethernet 10Base-T/100Base-TX - RJ-45 - 1 1 x network - auxiliary - RJ-45 - 1 1 x.... Tipe komunikasi: DSL modem/DSL, Protokol sinyal digital: ADSL