Cisco 800 Series Routers CISCO881-K9 Cisco 881 Ethernet Sec Router. The 10/100-Mbps fast Ethernet models of the Cisco 881 Integrated Services Routers combine Internet access, security and wireless services onto a single, secure device. Offer broadband speeds and simplified management to small businesses, and enterprise small branch and teleworkers. Rack Units: 1 RU. WAN Ports: 1 x 10Base-T/100Base-TX – RJ-45. LAN Ports: 4 x 10Base-T/100Base-TX – RJ-45. Management Ports: […]