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Data Sheet

Cisco 3900 Series Integrated Services Routers
Cisco® 3900 Series Integrated Services Routers build on 25 years of Cisco innovation
and product leadership. The new Cisco Integrated Services Routers Generation 2
(ISR G2) platforms are architected to enable the next phase of branch-office
evolution, providing rich-media collaboration and virtualization to the branch office
whilemaximizing operational cost savings. The new routers support new highcapacity digital signal processors (DSPs) for future enhanced video capabilities, highpowered service modules with improved availability, multicore CPUs, Gigabit Ethernet
switching with Cisco Enhanced Power over Ethernet (ePoE), and new energy visibility
and control capabilities while enhancing overall system performance.Additionally, a
new Cisco IOS® Software Universal image and Cisco Services Ready Engine (SRE)
module enable you to decouple the deployment of hardware and software, providing a
flexible technology foundation that can quickly adapt to evolving network
requirements. Overall, the Cisco 3900 Series offers exceptional total cost of
ownership (TCO) savings and network agility through the intelligentintegration of
market-leading security, unified communications, wireless, and application services.
Figure 1.

Cisco 3900 Series Integrated Services Routers

Product Overview
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): the Cisco 3945E, Cisco 3925E, Cisco 3945, and Cisco 3925Integrated 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 GigabitEthernet.
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.

© 2011-2012 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information.

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Key Business Benefits
®

The Cisco ISR G2routers provide superior services integration and agility. Designed for scalability, the modular
architecture of these platforms enables you to evolve and adapt with your growing business needs. Table 1 lists
the business benefits of the Cisco 3900 Series.
Table 1.

Cisco 3900 Series Business Benefits

Benefits

Description

Services integration

● The Cisco 3900 Series routers offerincreased levels of services integration with voice, video, security, mobility, and
data services.
● 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).

Services on demand

● A single Cisco IOSSoftware Universal image is installed on each Cisco ISR G2. The Universal image contains all
of the Cisco IOS Software technology sets, which you can activate with a software license. With the Universal
image your business can quickly deploy advanced features without downloading a new Cisco IOS Software image.
Additionally, larger default memory is included to support the new capabilities.
●The Cisco SRE enables a new operational model that allows you to reduce CapEx and deploy a variety of
application services as needed on a single integrated compute services module.

High performance with
integrated services

● The Cisco 3900 Series enables deployment in high-speed WAN environments with concurrent services enabled up
to 350 Mbps.
● A multigigabit fabric (MGF) enables...
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