Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide - Router Cabling Procedures [Cisco 800 Series Routers] - Cisco Systems
Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide - Product Overview [Cisco 800 Series Routers] - Cisco Systems
Cisco 2800 Series Integrated Services Router Model 2811 V04 with Rack Mounts | eBay
Cisco 800 Series Routers - Cisco
Cisco router manuals
User manual Cisco 857 (English - 108 pages)
CISCO857 Cisco Routers
Cisco 857W - default username/password and default router IP
Cisco Router Setup | Process Street
Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide - Router Cabling Procedures [Cisco 800 Series Routers] - Cisco Systems