Modular Services Performance Engine (SPE) 250 for even higher performance as WAN environments evolve
Four integrated 10/100/1000 Ethernet ports with 2 SFP ports
Four service module slots
Three Enhanced High-Speed WAN Interface Card slots
Three onboard digital signal processor (DSP) slots
Power
Dual integrated power supplies
Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE)
A universal IOS image helps you deploy new IOS services quickly
Security
Embedded hardware-accelerated VPN encryption for secure connectivity
Integrated threat control using Cisco IOS Firewall, Zone-Based Firewall, IPS, and Content Filtering
Identity management using authentication, authorization, and accounting (AAA) and public key infrastructure
Unified Communications
High-density packet voice DSP module, optimized for voice and video support
Standards-certified VoiceXML browser services
Cisco Unified Border Element capabilities for up to 2500 sessions
Support for Cisco Unity Express voicemail, Cisco Communications Manager Express, and Survivable Remote Site Telephony