Cisco 3900 Series Integrated Services Routers - Cisco
Cisco 2900 Series 2921/K9 ISR Router w/VIC3-2FXS/DID & VWIC3-2MFT-T1/E1 #X720 | eBay
Cisco 3900 Series and Cisco 2900 Series Hardware Installation Guide - Installing Internal Modules and FRUs [Cisco 2900 Series Integrated Services Routers] - Cisco
Accedentallly deleted a cisco 2911 router's IOS image, NEED HELP!!!! - Cisco Community
Configuring Cisco Catalyst 2960-C Series PoE Switch