Cisco 2821 - Integrated Services Router Unified Communications Bundle Overview

Also see for 2800 Series: Datasheet Hardware installation guide Guide Guide Application note

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Corporate Headquarters:Copyright © 2004 Cisco Systems, Inc. All rights reserved.Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USAOverview of Cisco 2800 Series RoutersThe Cisco 2800 series of integrated services routers offers secure, wire-speed delivery of concurrentdata, voice, and video services. The modular design of the Cisco 2800 series routers provides maximumflexibility, allowing you to configure your router to meet evolving needs. The Cisco 2800 series routersincorporate data, security, and voice services in a single system for fast, scalable delivery of crucialbusiness applications. The routers offer features such as hardware-based VPN encryption acceleration,intrusion-protection and firewall functions, and optional integrated call processing and voice mail. Therouters offer a wide variety of network modules and interfaces, voice digital signal processor (DSP)slots, high-density interfaces for a wide range of connectivity requirements, and sufficient performanceand slot density for future network expansion requirements and advanced applications.The Cisco 2800 series consists of four versions. The Cisco 2801 routers and Cisco 2811 routers are onerack unit in height and have two 10/100 LAN ports. The more powerful Cisco 2821 routers andCisco 2851 routers are two rack units in height and have two 10/100/1000 LAN ports. The higher-endrouter platforms of the Cisco 2800 series offer increased performance, increased slot density includingnetwork module slots ad extension voice module slots and increased inline power output.Figure 1, Figure 2, and Figure 3 show front views of the Cisco 2800 series routers.Figure 1 Front View of a Cisco 2801 Router95817