Cisco Systems Cisco 831 manual Related Documentation, Obtaining Documentation, Cisco.com

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Preface

Obtaining Documentation

Related Documentation

In addition to this Cisco 831 Router and SOHO 91 Router Hardware Installation Guide, the Cisco 831 documentation set includes the following:

Cisco 831 Router and SOHO 91 Router Cabling and Setup Quick Start Guide

Cisco 800 Series Software Configuration Guide

Regulatory Compliance and Safety Information for Cisco 800 Series and SOHO Series Routers

The latest version of the Cisco IOS Release Notes

You might also need to refer to the following documents:

Cisco IOS Release 12.0 Quality of Service Solutions Configuration Guide

Cisco IOS Security Configuration Guide, Release 12.0

Upgrading Memory in Cisco 800 Routers

Obtaining Documentation

Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.

Cisco.com

You can access the most current Cisco documentation at this URL:

http://www.cisco.com/univercd/home/home.htm

You can access the Cisco website at this URL:

http://www.cisco.com

You can access international Cisco websites at this URL:

http://www.cisco.com/public/countries_languages.shtml

 

Cisco 831 Router and SOHO 91 Router Hardware Installation Guide

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Contents Corporate Headquarters Page Copyright 2005 Cisco Systems, Inc. All rights reserved Page N T E N T S Troubleshooting Specifications and Cables A-5 Page Audience OrganizationConventions XiiXiii Related Documentation Obtaining DocumentationCisco.com Documentation Feedback Documentation DVDOrdering Documentation Reporting Security Problems in Cisco Products Cisco Product Security OverviewPsirt Obtaining Technical Assistance Cisco Technical Support WebsiteSubmitting a Service Request XviiiDefinitions of Service Request Severity Obtaining Additional Publications and InformationPreface Obtaining Additional Publications and Information Product Overview Features Feature Description10BASE-T/100BASE-T RAM SdramRouter Built-In Switch WAN Ethernet Port Router OverviewFront Panel SohoBack Panel Cisco 831 Back PanelLED Functions Color FunctionProduct Overview Router Overview Preparing for Installation SafetyBefore installing the router, read the following warnings Installation Preparing for Installation Preventing Electrostatic Discharge Damage Unpacking the Box Ordered SeparatelyInstalling the Router Connecting a Server, PC, or WorkstationPreventing Damage to the Router Connecting a Server, PC, or Workstation Connecting an External Ethernet Switch Optional Connecting to an Ethernet Switch Connecting to the Internet Connecting a Broadband ModemConnecting a Terminal or PC to the Console Port Connecting the AC Adapter Connecting a Terminal or PC to the Console PortConnecting the AC adapter Connecting the Console Port to an Async Modem Connect Console Port to an Async Modem Checking the PC Configuration Power/Link LEDs to Check Normal Patterns Verifying Router OperationMounting the Router Mounting on a TableMounting on a Wall Wall-Mounting Brackets Bottom of Router Mounting Router on Wall Connecting to a Website What to Do If You Cannot Connect to a Website Starting the Crws SoftwareInstallation What to Do If You Cannot Connect to a Website Installation What to Do If You Cannot Connect to a Website Troubleshooting Before You Call Your Cisco ResellerProblems During First Startup Symptom Problem SolutionsComputer Server, PC, or Workstation section onProblems After Router Is Running System Specifications Description Design Specification Physical DimensionsEnvironmental Operating Ranges Description Design Specification Router Power Laws and regulationsLAN Port Pin FunctionRX+ TX+Console Connector Pinouts Cabling SpecificationsEthernet Cable Specifications Maximum Cable DistanceType Category 10BASE-TAppendix a Specifications and Cables Cabling Specifications Numerics IN-2 IN-3 IN-4

Cisco 831 specifications

Cisco Systems has long been a key player in the networking hardware and software industry, providing solutions for both enterprises and small businesses. Among its numerous offerings, the Cisco 831 router stands out as a reliable tool designed predominantly for small to medium-sized businesses looking for robust connectivity and security features.

The Cisco 831 is part of the Cisco Integrated Services Router (ISR) series and serves as an all-in-one solution for a variety of networking needs. This compact router packs a range of features that allow businesses to streamline their communications and improve operational efficiency. One of its primary components is its ability to deliver high-speed Internet access through various broadband connections, including DSL and cable. The router also supports both IPv4 and IPv6, ensuring compatibility with modern internet protocols.

One of the most notable features of the Cisco 831 is its integration of advanced security technologies. With built-in stateful inspection firewall capabilities, companies can protect their networks from external threats while maintaining ease of access for authorized users. Additionally, the router offers Virtual Private Network (VPN) support, allowing secure remote access for employees working from various locations.

Quality of Service (QoS) is another fundamental characteristic of the Cisco 831. It enables efficient traffic management by prioritizing critical applications, ensuring that bandwidth-sensitive activities, such as voice over IP (VoIP) and video conferencing, function without disruption. This feature is essential for organizations that rely on seamless communication to maintain productivity.

In terms of connectivity, the Cisco 831 is equipped with multiple Ethernet ports, allowing for easy network expansion. It also supports Power over Ethernet (PoE) capabilities, which enable the powering of IP phones and other devices directly through the network cable, eliminating the need for additional power outlets.

Configuring and managing the Cisco 831 is simplified through its user-friendly interface, which can be accessed via a web browser or command line. This ease of use is complemented by extensive support and resources provided by Cisco, helping IT administrators to effectively manage their networks.

In summary, the Cisco 831 router is a versatile and feature-rich networking solution tailored for small to medium-sized businesses. Its combination of robust security, quality of service prioritization, and ease of use makes it a formidable choice for organizations aiming to enhance their connectivity and protect their digital assets. As businesses continue to evolve in the digital landscape, devices like the Cisco 831 will remain pivotal in ensuring reliable and secure network operations.