Cisco 1941 Integrated Services Router (ISR) Overview
The Cisco 1941 Integrated Services Router is part of Cisco’s 1900 Series routers and is designed for small to medium-sized branch office environments that require secure, high-performance, and highly available routing solutions. This router brings together a variety of network services including data, security, wireless, and application services in a single modular platform, reducing operational complexity and cost.
High Performance and Reliability
Cisco 1941 is built with a modular architecture that allows for flexibility and scalability. It includes high-speed WAN connectivity, multiple service modules, and the capability to support a wide range of integrated services. The platform is engineered to deliver top-tier performance while maintaining low power consumption and optimized energy use.
- Performance: Designed to deliver up to 800 Mbps throughput with appropriate services enabled, ensuring smooth performance even under high network load.
- Reliability: Features hot-swappable modules and redundant power supply options (via external RPS) to ensure maximum uptime.
- Durability: With robust hardware and Cisco’s long-standing quality, the 1941 router is a dependable choice for mission-critical deployments.
Key Technical Specifications
Product Series | Cisco 1900 Series ISR |
Model | 1941 |
Form Factor | 2 Rack Units (2RU) |
Processor | Multicore embedded CPU with hardware-based acceleration for encryption |
Memory | 512 MB DDR2 DRAM (expandable to 2 GB) |
Flash Storage | 256 MB USB and internal NAND (expandable) |
Interface Slots | 2 Enhanced High-Speed WAN Interface Card (EHWIC) slots, 2 Integrated Services Card (ISC) slots |
Connectivity | 2 Integrated 10/100/1000 Ethernet Ports |
Power Supply | Internal AC Power, 100–240V; PoE support with optional modules |
PoE Capability | Supports 802.3af and Cisco Enhanced PoE (ePoE) |
Advanced Features of Cisco 1941
This router is equipped with a wide range of advanced technologies that make it suitable for modern enterprise environments:
- Unified Communications: Supports integrated voice, video, and IP telephony deployments via optional modules.
- Security Services: Built-in VPN encryption, firewall, intrusion prevention system (IPS), and support for Cisco TrustSec.
- Wireless LAN Controller: Optional internal access point or controller support for WLAN management.
- Modular Interface Flexibility: Reuse existing modules from previous Cisco ISR generations to protect investment.
- Application Performance: Offers WAN optimization and application visibility through Cisco WAAS Express.
Services Ready Engine (SRE) Support
Cisco 1941 supports the Services Ready Engine (SRE) module that allows for on-demand provisioning of applications and services like WAN acceleration, video surveillance, and more. This feature decouples application performance from router throughput, offering flexibility without performance penalties.
Energy Efficiency and Sustainability
- Supports intelligent power management to reduce overall power consumption
- EnergyWise technology integration for monitoring and managing power usage
- Efficient cooling system ensures quiet and sustainable operation
Ideal Use Cases
- Branch Office Networking: Secure and reliable data, voice, and video services over WAN links
- Remote Office Deployment: Manageable and scalable connectivity for satellite locations
- Retail Chain Networks: Unified management across multiple store sites
- Secure VPN Hubs: High-speed, encrypted communications between branch sites
Licensing and Cisco IOS Support
Cisco 1941 comes with a universal Cisco IOS software image, which includes all features such as IP Base, Security, and Unified Communications. Features are activated via software licenses, allowing you to scale or upgrade capabilities without replacing hardware. It supports licenses like:
- SEC (Security License)
- UC (Unified Communications License)
- DATA (Routing and Switching License)
Benefits at a Glance
✔ Scalable and Modular | Field-upgradable with reusable modules |
✔ Secure | Built-in encryption and firewall services |
✔ Service-Ready | SRE support for on-demand service deployment |
✔ Low TCO | Reduces capital and operating expenses |
Product Comparison
- Cisco 2811 Router – Legacy ISR platform with limited upgrade support
- Cisco 1921 Router – Cost-effective option with fewer interface slots
- Cisco ISR 4351 – Higher-end ISR platform for larger enterprises
Additional Resources
To learn more about this device’s capabilities, refer to the official Cisco documentation available at the Cisco 1941 Datasheet.
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