Cisco 1841 Series Products

The Cisco 1841 Integrated Services Router
provides secure data connectivity at up to one T1/E1/xDSL WAN connectivity rates. It provides significant additional value compared to prior generations of Cisco 1700 Series routers by offering more than a five-fold performance increase, integrated onboard hardware-based encryption enabled by an optional Cisco IOS Software security image, and a dramatic increase in interface card slot performance and density. Support for one internal Advanced Integration Module (AIM) slot is provided for additional hardware-accelerated encryption and scalability. The modular architecture on the Cisco 1841 router also supports two high-speed WAN interface card (HWIC) slots which significantly increase data-throughput capability (up to 800 Mbps aggregate). The Cisco 1841 also offers integrated dual high-speed Ethernet LAN ports to allow LAN segmentation and to help enable connectivity speeds up to 100BASE-T Ethernet technology. Ample default memory (Flash, SDRAM) is provided to support deployment of concurrent services.
Feature Benefit
High-Performance Processor
  • Supports concurrent deployment of high-performance, secure data services with headroom for future applications
Modular Architecture
  • Offers wide variety of LAN and WAN options; network interfaces are field-upgradeable to accommodate future technologies Provides many types of slots to add connectivity and services in the future on an "integrate-as-you-grow" basis
  • Supports more than 30 modules and interface cards, including existing WAN (WIC) and multiflex (VWIC) interface cards (for data support only on the Cisco 1841 router) and advanced integration modules (AIMs)
Integrated Hardware-Based Encryption Acceleration
  • Offers cryptography accelerator as standard integrated hardware that can be enabled with an optional Cisco IOS Software for 3DES and AES encryption support
  •  Provides enhanced feature set of security performance through support of optional VPN acceleration card for VPN 3DES or AES encryption
Ample Default Memory
  • Provides 32 MB of Flash and 128 MB of synchronous dynamic RAM (SDRAM) memory to support deployment of concurrent services
Integrated Dual High-Speed Ethernet LAN Ports
  • Helps enable connectivity speeds up to 100BASE-T Ethernet technology without the need for cards and modules
  • Allows segmentation of the LAN
Support for Cisco IOS 12.3T, 12.4, 12.4T
Feature Sets and Beyond
  • Supports the Cisco 1841 router starting with Cisco IOS Software Release 12.3T Helps enable end-to-end solutions with support for latest Cisco IOS Software-based QoS, bandwidth management, and security features
Integrated Standard Power Supply
  • Provides for easier installation and management of the router platform


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