Used Cisco 1700 Router Feature Cards

About the Cisco 1700 Series: "Ethernet access router to connect to a broadband, ISDN, or DSL WAN link. VPN encryption, VoIP (Voice over IP), and VoFR (Voice over Frame Relay) capability" (Cisco - A Beginner's Guide Third Edition by Velte & Velte).

Co-Processor / Advanced Integration Module

Part # MOD1700-VPN

Cisco 1700 Cables Directory