Cisco 850 Series and Cisco 870 Series Access Routers Hardware Installation Guide - Product Overview [Cisco 800 Series Routers] - Cisco Systems
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 - Router Cabling Procedures [Cisco 800 Series Routers] - Cisco Systems
Cisco 857 ADSL Router with No PSU Cisco857 with No UK PSU (Inc VAT) | eBay
CISCO SYSTEMS MODEL 850/851/857 4 PORT 10/100MBPS ETHERNET LAN WAN ROUTER | eBay
Ac Adapter Power Supply Charger 26w For Cisco 800 857 870 871w 877 878 851 K9 Router - Used - Ac/dc Adapters - AliExpress