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2 Overview
The Cisco 1800 series integrated services routers includes the Cisco 1841 router, which is a data-only router. Cisco 1841 routers
support WAN interface cards (WIC), voice/WAN interface cards (VWICs) in data mode only, single-wide high-speed WAN
interface cards (HWICs), and advanced integration module (AIMs). This router has two WIC/VWIC/HWIC slots.
Note The interface numbering for this Cisco 1841 router is different from the numbering in Cisco 1700 series routers. (See
the “Interface Numbering” section on page 16.)
This document provides the minimum necessary information to help you install the router, power it up, and configure a network
connection. This document directs you to other documents for the following information:
• More detailed router installation instructions, descriptions, and specifications
• Procedures for installing modules, interface cards, power supplies, and memory
• Software configuration
• Regulatory compliance and safety information
Product Serial Number Location
The serial number label for the Cisco 1841 router is located on the rear of the chassis, underneath interface card slot 0.
For detailed product serial number location on the chassis, refer to the online Cisco 1800 series hardware installation
documentation at the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/1800/hw/index.htm
Cisco Product Identification Tool
The Cisco Product Identification (CPI) tool provides detailed illustrations and descriptions showing where to locate serial
number labels on Cisco products. It includes the following features:
• A search option that allows browsing for models using a tree-structured product hierarchy
• A search field on the final results page making it easier to look up multiple products
• End of sale products are clearly identified in results lists
The tool streamlines the process of locating serial number labels and identifying products. Serial number information expedites
the entitlement process and is important for access to support services.
The Cisco Product Identification tool can be accessed at the following URL:
http://tools.cisco.com/Support/CPI/index.do
3 Documents, Equipment, and Tools
User Documentation
For complete platform documentation, refer to the following URL:
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/1800/index.htm
All the documents referenced in this quick start guide are available on Cisco.com. See the “Where to Go Next” section on
page 21. To view or print an online document in its original page format, click the PDF icon.
Translated Versions
http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/1800/qsg/index.htm