All contents are Copyright © 1992–2005 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.Page 1 of 16DATA SHEETCISCO 1800 SERIES INTEGRATED SERVICES ROUTERSCISCO 1801, 1802, 1803, 1811, 1812 ROUTERS (FIXED-CONFIGURATION MODELS)Cisco Systems® is redefining best-in-class enterprise and small- to midsized-business routing with a new line of integratedservices routers that are optimized for the secure delivery of data services. Founded on 20 years of leadership andinnovation, the Cisco® 1800 Series integrated services routers intelligently embed data, security, and wireless technology intoa single, resilient system for fast, secure, scalable delivery of mission-critical business applications. The best-in-class Cisco1800 Series architecture has been specifically designed to meet requirements of small to medium-sized businesses (SMBs),enterprise branch offices, and service provider-managed services for delivery of concurrent services for broadband access.The integrated secure systems architecture of the Cisco 1800 Series delivers maximum business agility and investmentprotection.PRODUCT OVERVIEWCisco 1800 Series integrated services routers are the next evolution of the award-winning Cisco 1700 Series modular and fixed-configuration routers.The Cisco 1801, 1802, 1803, 1811, and 1812 integrated services routers (Figure 1) are fixed-configuration, while the Cisco 1841 integrated servicesrouter is modular and described in a separate data sheet http://www.cisco.com/en/US/products/ps5853/products_data_sheet0900aecd8016a59b.html.The fixed configuration routers are designed for secure broadband, Metro Ethernet, and wireless connectivity providing significant performanceimprovements, feature enhancements, and increased value compared to prior generation of Cisco 1700 Series routers. The Cisco 1800 Series fixed-configuration routers offer:• Secure broadband access with concurrent services for branch and small offices• Integrated ISDN Basic Rate Interface (BRI), analog modem, or Ethernet backup port for redundant WAN links and load balancing• Secure Wireless LAN option for simultaneous 802.11a /b/g operations with use of multiple antennas• Advanced security including:– Stateful Inspection Firewall– IP Security (IPSec) VPNs (Triple Data Encryption Standard [3DES] or Advanced Encryption Standard [AES])– Intrusion Prevention System (IPS)– Antivirus support through Network Admission Control (NAC) and enforcement of secure access policies• 8-port 10/100 managed switch with VLAN support and optional Power over Ethernet (PoE)• Easy deployment and remote-management capabilities through Web-based tools and Cisco IOS® SoftwareFigure 1. Cisco 1800 Series Fixed-Configuration Routers