The Cisco 1700 Series modular access routers are designed to provide a cost-effective integrated e-business platform for small and medium-sized businesses and enterprise small branch offices. They provide flexibility and manageability to meet the most demanding and evolving e-business requirements, such as multi-service data/voice/video/fax integration, high-speed broadband Internet connection, and comprehensive security solutions. The Cisco 1720 access router delivers optimized security, integration and flexibility in a desktop form factor for small-and medium-sized businesses and small branch offices that want to deploy Internet/intranet access or virtual private networks (VPNs). The Cisco 1720 access router is a modular solution that provides all the components needed to build a secure VPN, including the access router, high-speed encryption, VPN tunnel server, and security features such as robust IPSec support and an optional integrated firewall. This all-in-one solution enables businesses to minimize the time and expense required to deploy and manage networks. The Cisco 1720 access router features two modular WAN slots that support 1600, 2600, and 3600 data WAN interface cards, and an autosensing 10/100 Mbps Fast Ethernet LAN port to provide investment protection and flexibility for growth. Other features include an auxiliary port (AUX) for dialup management or low-speed asynchronous connections (of up to 115.2 kbps) and an expansion slot on the motherboard to support future services such as hardware-assisted encryption and compression. The Cisco 1720 is a member of the Cisco Networked Office Stack family of stackable desktop products designed to provide complete networking solutions for small businesses and small branch offices.