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Cisco Router 1900 Series

The Cisco 1900 Series Routers Integrated Services Routers (ISRs) are modular routers with LAN and WAN connections that can be configured by means of interchangeable interface cards and internal service modules (ISMs). The series currently consists of the 1905, 1921, 1941, and 1941W (wireless) models. The 1941W is Wi-Fi CERTIFIED™ and 802.11a/b/g/n-compliant. The modular design of the routers provides flexibility, allowing you to configure your router according to your needs.

This ISR series has new slots that support next generation Enhanced High-Speed WAN Interface Cards (EHWICs), Internal Services Modules (ISMs, 1941 only), and 2 CompactFlash cards (1941 only). Universal serial bus (USB) ports are available for USB devices, and a USB mini Type-B serial console port is available in addition to the RJ-45 console connector.

Cisco 1941 Series Routers Product Overview

Cisco 1941 builds on the best-in-class offering of the existing Cisco 1841 Integrated Services Routers by offering 2 models - Cisco 1941 and Cisco 1941W. In addition to the support of a wide range of wireless and wired connectivity options supported on Cisco 1941 Series, Cisco 1941W offers integration of IEEE 802.11n access point which is backwards compatible with IEEE 802.11a/b/g access points.

All Cisco 1900 Series Integrated Services Routers offer embedded hardware encryption acceleration, optional firewall, intrusion prevention, and application services. In addition, the platforms support the industries widest range of wired and wireless connectivity options such as T1/E1, xDSL, 3G, 4G LTE, and GE.

Product Names: CISCO1941/K9, CISCO1941W-A/K9, CISCO1941W-P/K9, CISCO1941W-N/K9, CISCO1941W-C/K9, CISCO1941W-I/K9, and CISCO

NOTE: This product is no longer being sold and might not be supported.
What replacement products are available? > See the Cisco Router 4000 Series​​​​​ >>


Figure 1.      Cisco 1941 Integrated Services Router

Cisco Router 1900 Series

Key Business Benefits

The Integrated Services Routers Generation 2 (ISR G2) routers provide superior services integration and agility. Designed for scalability, the modular architecture of these platforms enables you to grow and adapt with your business needs.

Table 1 lists the business benefits of the Cisco 1900.

Table 1.       Key Features and Benefits of the Cisco 1941 Integrated Services Router Series



Service Integration

●  The Cisco 1941 Series offer increased levels of services integration with data, security, wireless, and mobility services enabling greater efficiencies cost savings.

Services on Demand

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

High Performance with Integrated Services

●  The Cisco 1900 Series enables deployment in high speed WAN environments with concurrent services enabled up to 25 Mbps.
●  Multi-Gigabit Fabric enables high bandwidth module to module communication without compromising routing performance.

Network Agility

●  Designed to address customer business requirements, Cisco 1941 Series with the modular architecture, offers performance range of modular interfaces and services as your network needs grow.
●  Modular interfaces offer increased bandwidth, a diversity of connection options, and network resiliency.

Energy Efficiency

●  The Cisco 1941 Series architecture provides energy savings features that include the following:
◦   The Cisco 1900 Series offers intelligent power management and allows the customer to control power to the modules based on the time of day. Cisco EnergyWise technology will be supported in the future.
◦   Services integration and modularity on a single platform performing multiple functions, optimizes raw materials consumption and energy usage.
◦   Platform flexibility and ongoing development of both hardware and software capabilities lead to a longer product lifecycle, lowering all aspects of the total cost of ownership, including materials and energy use.
◦   High efficiency power supplies are provided with each platform.

Investment Protection

●  The Cisco 1941 Series maximizes investment protection by supporting:
◦   Reuse of a broad array of existing modules supported on the original Integrated Services Routers provides a lower cost of ownership.
◦   Rich set of Cisco IOS Software features carried forward from the original Integrated Services Routers and delivered in the universal image.
◦   Flexibility to grow as your business needs evolve.

Architecture and Modularity

The Cisco 1941 Series is architected to meet the application demands of today’s branch offices with design flexibility for future applications. The modular architecture is designed to support expanding customer requirements, increased bandwidth, and fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE (ePoE). Table 2 lists the architectural features and benefits of the Cisco 1941 Series.

Table 2.       Architectural Features and Benefits

Architectural Feature


Modular Platform

●  The Cisco 1941 Series ISR are highly modular platforms with multiple module slots to provide connectivity and services for varied branch network requirements.
●  The ISRs offer an industry-leading breadth of LAN and WAN connectivity options through modules to accommodate field upgrades to future technologies without requiring replacement of the platform.


●  The Cisco 1941 Series is powered by high-performance multi-core processors that support growing demands of branch office networks by supporting high throughput WAN requirements.

MultiGigabit Fabric

●  The Cisco 1941 introduces an innovative MultiGigabit Fabric (MGF) which allows for efficient module to module communication, enabling direct services interactions across modules while reducing the overhead on the router processor.

Embedded IPSec VPN Hardware Acceleration

●  Embedded hardware encryption acceleration is enhanced to provide higher scalability, which, combined with an optional Cisco IOS Security license, enables WAN link security and VPN services (IPSec acceleration).
●  The onboard encryption hardware out-performs the Advanced Integration Modules of previous generations.

Integrated Gigabit Ethernet Ports

●  All onboard WAN ports are 10/100/1000 Gigabit Ethernet WAN routed ports.

Innovative universal-serial-bus (USB)-based console access

●  A new, innovative, mini-B USB console port supports management connectivity when traditional serial ports are not available.
●  The traditional console and auxiliary ports are also available. Either the USB-based console or the RJ-45-based console port can be used to configure the router.

Optional Integrated Power Supply for Distribution of Power Over Ethernet (PoE)

●  An optional upgrade to the internal power supply provides in-line power (802.3af-compliant Power-over-Ethernet [PoE] and Cisco standard inline power) to optional integrated switch modules.

Integrated Wireless LAN

●  The Cisco 1941 offers a secure integrated access point in a single device.
●  Integrated access point is based on the IEEE 802.11n draft 2.0 standard that uses MIMO (Multi-Input, 
Multiple-output) to improve coverage for existing 802.11a/b/g clients and new 802.11n clients.
●  The Cisco 1941 supports dual radios - 802.11 b/g/n and 802.11a/n and is capable of operating in both autonomous and unified modes.
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  1. Cisco1921-SEC/K9-Cisco 1921 Integrated Services Router

    Condition:Brand New Sealed
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    Special Price $576.00 Regular Price $1,659.00
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  2. Cisco1941-SEC/K9-Cisco 1941 Integrated Services Router

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    Cisco 1941 Router w/2 GE,2 EHWIC slots,256MB CF,512MB DRAM,IP Base Learn More
    Special Price $719.00 Regular Price $2,495.00
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  3. Cisco1941-/K9,Cisco 1941 Integrated Services Router

    Condition:Brand New Sealed
    Cisco 1941 Router w/2 GE,2 EHWIC slots,256MB CF,512MB DRAM,IP Base Cisco 1941 Router w/2 GE,2 EHWIC slots,256MB CF,512MB DRAM,IP Base Learn More
    Special Price $401.00 Regular Price $1,595.00
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  4. Cisco1921/K9 Router

    Condition:Brand New Sealed
    Cisco 1921 with 2 onboard GE, 2 EHWIC slots, 256MB USB Flash (internal) 512MB DRAM, IP Base Lic Learn More
    Special Price $342.00 Regular Price $1,195.00
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