The Cisco 3900 Series provides the highest performance and slot densities among the routers in the Cisco ISR G2 portfolio, enabling you to maximize services integration and reducing overall capital expenditures (CapEx) and operating expenses (OpEx).

The Cisco 3900 Series builds on the best-in-class offering of the existing Cisco 3800 Series

Integrated Services Routers by now offering four platforms (Figure 1): Cisco 3945E, Cisco 3925E,

Cisco 3945, and Cisco 3925 Integrated Services Routers.

The Cisco 3900 Series offers embedded hardware encryption acceleration, voice- and video-

capable DSP slots, optional firewall, intrusion prevention, call processing, voicemail, and

application services. In addition, the platforms support the industry ’s widest range of wired and

wireless connectivity options such as T1/E1, T3/E3, xDSL, copper, and fiber Gigabit Ethernet.

The Cisco 3900 Series offers superior performance and flexibility for flexible network deployments

from small business offices to large enterprise offices - all while providing industry-leading

investment protection.

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