Cisco 3900 Series Integrated Services Routers
Cisco 3900 Series Integrated Services Routers (ISR) are designed to power the next phase of branch-office evolution, providing rich media collaboration and virtualization to the branch while reducing operating costs.

• Services On-Demand: The Cisco 3900 Series Integrated Services Routers reduce initial capital outlays by decoupling the delivery of software from hardware on optional service modules. In addition, you receive a Universal IOS image capable of enabling all of Cisco's rich IOS features and allowing you to quickly deploy new services.

• Investment Protection: The Cisco 3900 Series reduces deployment costs and increases flexibility. The platform offers a modular, field upgradable motherboard called the Services Performance Engine (SPE). SPEs allow you to invest in a 3900 Series ISR today and boost its performance later by upgrading to a higher-performance engine. Investment protection is also offered with support for a majority of existing modules from previous-generation ISRs.

• Energy Efficiency: The Cisco 3900 architecture includes higher-efficiency power supplies with intelligent power management, with full Cisco EnergyWise feature support in the future. Both ISR 3925 and 3945 routers support dual power supplies for power supply redundancy for branch or retail environments running mission-critical applications.

• High Performance: The Cisco 3900 Series offers significant performance improvements over previous-generation ISRs.


Overall, the Cisco 3900 Series offers unparalleled total cost of ownership savings and network agility through the intelligent integration of security, wireless, and application services.


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