The Cisco 1941 Integrated Services Router (ISR) delivers highly secure data, mobility, & application services. Key features include: -2 integrated 10/100/1000 Ethernet ports. -2 enhanced High-Speed WAN Interface Card slots that can host 2 single wide or 1 double wide & 1 single wide (e)HWIC. -1 Internal Services Module slot. -Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (Po E) & Cisco Enhanced Po E. Security -Embedded hardware-accelerated VPN encryption. -Secure collaborative communications with Group Encrypted Transport VPN, Dynamic Multipoint VPN, or Enhanced Easy VPN. -Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, & Cisco IOS Content Filtering. -Identity management that uses authentication, authorization, & accounting (AAA), & public key infrastructure.