Description Cisco 2921/k9 integrated Cisco 2921/k9 integrated Ports: 3 Integrated 10/100/1000 Ethernet ports with 1 port capable of RJ-45 or SFP connectivity Slot: 1 service module slot IC: 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots Processor Slots: 3 onboard digital signal processor slots Service slot: 1 internal service module slot for application services 3 Integrated 10/100/1000 Ethernet ports with 1 port capable of RJ-45 or SFP connectivity 1 service module slot Cisco 2921/k9 integrated services router Includes 4 Enhanced High-Speed WAN Interface Card (EHWIC) slots 3 onboard digital signal processor slots 1 internal service module slot for application services Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and also Cisco Enhanced PoE Security Embedded hardware-accelerated VPN encryption Secure collaborative communications with Group Encrypted Transport VPN, Dynamic Multi-point VPN, or Enhanced Easy VPN Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, as well as Cisco IOS Content Filtering Identity management thus Intelligently protecting endpoints using authentication, authorization, and accounting (AAA), and public key infrastructure Voice High-density packet voice DSP module, optimized for voice and also video support Standards-certified Voice XML browser services Cisco Unified Border Element capabilities as well as Cisco Unity Express voicemail support