Cisco Systems Cisco 831 manuale d’uso

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vii Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 CONTENTS Preface xi Obtaining Documentation xiv Cisco.com xiv Documentation DVD xv Ordering Documentation xv Documentation Feedback xv Cisco Product Security Overview xvi Reporting Security Problems in Cisco Prod ucts xvi Obtaining Technical Assistance xvii Cisco Techni[...]

Contents viii Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Warnings 2-2 Preventing Electrostatic Discharge Damage 2-4 Unpacking the Box 2-5 Preventing Damage to the Router 2-6 Installing the Router 2-6 Connecting a Server, PC, or Workstation 2-6 Connecting an External Etherne t Switch (Optional) 2-8 Connecting to th e[...]

ix Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Contents Specifications and Cables A-5 System Specifications A-5 LAN Port A-7 Console Connector Pinouts A-8 Cabling Spe cificatio ns A-8 Ethernet Cable Specification s A-9 Maximum Cable Distance A-9 I NDEX[...]

Contents x Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02[...]

xi Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Preface This preface describes the audience, orga nization, and con ventio ns used in this guide. It also describes related documentati on and ho w to access electronic documentation. Audience This guide is intended for service techni cians who ha ve no e xperience insta[...]

Preface xii Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Conventions This section describes the con vent ions used in this guide. Note Means reader take note . Notes contain helpful suggestions or references to additional information and material. Caution This symbol means r eader be careful . In thi s situation , you[...]

xiii Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Preface War nu n g Dieses Warn symbol bedeutet Gefahr . Sie befinden sich in einer Situation, die zu einer Körperverletzung führen könnte. Bevor Sie mit d er Arbeit an irgendeinem Gerät beginnen , seien Sie sich der mit elekt rischen Stromkreisen verbundenen Gefahr[...]

Preface Obtaining Documentation xiv Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Related Documentation In addition to t his Cisco 831 Router and SOHO 9 1 Router Har dware Installation Guide , the Cisco 831 documentation set i ncludes the follo wing: • Cisco 831 Router and SOHO 91 Rout er Cabling and Setup Quic k Sta[...]

xv Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Preface Documentation Feedback Documentation DVD Cisco documentation and additi onal litera ture are a v ailable in a Documentation D VD package, which may have shipped with your prod uct. The Docu mentation D VD is updated regularly and may b e more current than pri nte[...]

Preface Cisco Product Security Overview xvi Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Y ou can submit comments b y using the response card (if present) behi nd the front cov er of your document or b y writing to the follo wing address: Cisco Systems Attn: Customer Document Or dering 170 W est T asman Driv e San Jos[...]

xvii Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Preface Obtaining Techn ical Assistance • Nonemergencies — psirt@cisco.com Ti p W e encourage you t o use Pretty Good Pri v acy (PGP) or a co mpatible product to encrypt any sensiti ve information that you send to Cisco. PSIR T can work from encrypted information t[...]

Preface Obtaining Technical Assistance xviii Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Access to all tools on the Cisco T echni cal Support W ebsite requires a Cisco.com user ID and password. If you hav e a v alid service contract b ut do not ha ve a user ID or password, you can re gister at this URL: http://tools.[...]

xix Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Preface Obtaining Additional Public ations and Information For a complete list of Cisco T A C contacts, go to this URL: http://www .cisco.com/techsupport/co ntacts Definitions of Service Request Severity T o ensure that all servi ce requests ar e reported in a standard [...]

Preface Obtaining Additional Publ ications and Information xx Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 • Pa c k e t magazine is the Cisco System s technical user magaz ine for maximizing Internet and netw orking in vestments. Each quart er , Packet deli vers co verage of the latest industry trends, technol ogy b[...]

CH A P T E R 1-1 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 1 Product Overview The Cisco 831 router and Cisco SOHO 9 1 Ethernet-to-Ethernet routers can connect a corporate telecommu ter or small office to an Internet ser vice provider (ISP) ov er a broadband or Ethernet conn ection to the follo wing sites: • Corpo[...]

Chapter 1 Product Overview Features 1-2 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Features Ta b l e 1 - 1 summarizes the features of these routers. T able 1 -1 Feat ure Summary f or Cisco 831 Router and SOHO 91 Router Feature Description 1 0 BA S E - T / 1 0 0 BA S E - T buil t-in switch ports Provides conn ection [...]

1-3 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 1 Product Overview Router Overview Ta b l e 1 - 2 describes the ports on the Cisco 831 an d SOHO 91 routers. Router Overview This section shows the front an d back panels of the routers. Front Panel Figure 1-1 sho ws the front panel of the Cisco 831 router ( Fig[...]

Chapter 1 Product Overview Router Overview 1-4 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Back Panel Figure 1-2 sho ws the back panel of the Cisco 831 router ( Figure 1-2 depicts the back panel of a Cisco 831 router , but the back panel of t he Cisco SOHO 91 router is nearly id entical). Figure 1 -2 Cisco 831 Bac k [...]

1-5 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 1 Product Overview Router Overview LED Functions Ta b l e 1 - 3 summarizes the functions of the LEDs on th e routers. T able 1 -3 Fu nctions of LEDs on the Cisco 831 Rout er and SOHO 91 Router LED Color Function PWR_OK Green On when DC po wer is being supplied t[...]

Chapter 1 Product Overview Router Overview 1-6 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02[...]

CH A P T E R 2-1 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 2 Installation This chapter pro vides information on the follo wing topics: • Preparing for Installation • Pre venting Damage to t he Router • Installing the Router • V erifying Router Operation • Mounting the Router • Connecting to a W ebsite ?[...]

Chapter 2 Installation Preparing for Installation 2-2 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Warnings Before installing the router , read the follo wing warnings: War ni n g Read the installation instruc tions before you connect the sy stem to its power source. War ni n g Only trained and qualified pe rsonnel sh[...]

2-3 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Preparing for Installation War ni n g The ports labeled "10BaseT" , 100BaseTX", and "10/100" are safety extra-low voltage (SEL V) circuits. SEL V circuits sh ould only be connected to other SEL V circuits. Av oid connectin[...]

Chapter 2 Installation Preparing for Installation 2-4 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 War ni n g T o reduce the risk of fire, use only No. 26 A WG or larger telecommunicatio n line cord. War ni n g This equipment conta ins a ring signal generator (ringer), whi ch is a source of hazardous voltage. Do not t[...]

2-5 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Preparing for Installation If cables are connected at one end only , do no t touch the exposed pi ns at the unconnected end of the cable. This de vice is intended for use in residenti al and commercial en vironments only . Caution Periodically che[...]

Chapter 2 Installation Preventing Damag e to the Router 2-6 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Step 4 If you plan to use t he cable-lock feature, pro vide a K e nsington or equi valent locking cable. Preventing Damage to the Router Follo w these guidelines when co nnecting de vices to your router: • Connec[...]

2-7 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Installing t he Router Figur e 2-1 Connecting a Server , PC, or Wor kstation 1 Cisco 831 router 4 PC 2 Y ello w Ethernet cable 5 RJ-45 port on the network interface card (NIC) 3 Built-in Ethernet switch port 4 on the rout er E T HE R N E T 10B AS [...]

Chapter 2 Installation Installing the Router 2-8 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Perform the follo wing steps to connect the PC to port numb er 4 of the b uilt-in switch: Step 1 Connect one en d of the yello w Ethernet cable to built-in Ethernet switch port 4 on the router . Step 2 Connect the other end o[...]

2-9 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Installing t he Router Figure 2-2 Connecting to an Ether net Switch Perform the follo wing steps to connect the router to an e xternal Ethernet switch: Step 1 Connect one end of the yello w cable to built-in Eth ernet switch port 4 on the router .[...]

Chapter 2 Installation Installing the Router 2-10 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Connecting to the Internet Y ou can use an installed broadband modem to con nect to the Internet. Connecting a Broadband Modem T o connect to an installed DSL, cable, or long-reach Ethernet modem, fol low the steps giv en af[...]

2-11 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Installing t he Router Step 2 Connect the other end of cable to th e av ailable port on the modem. Follo w the instructions pro vided with your broadband mo dem to determine which port on the modem to connect to. T urn on the broad band modem if [...]

Chapter 2 Installation Installing the Router 2-12 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Figur e 2-4 Connecting a T er minal or PC to the C onsole P ort Perform the follo wing steps to connect the router’ s console port to a terminal o r PC: Step 1 Connect the RJ-45 connector on the light blue cable to the rou[...]

2-13 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Installing t he Router War ni n g This product relies on the building’ s installation for short-circuit (overcurrent) protection. Ensure that a fuse or c ircuit breaker no larger than 120 V AC, 15A U.S. (240 V AC, 16A international) is used on [...]

Chapter 2 Installation Installing the Router 2-14 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Perform the follo wing steps to connect the router to the A C adapter: Step 1 Connect one end of the po wer supply cable to the router’ s input jack. Step 2 Connect the other end of t he power sup ply cable to the desktop [...]

2-15 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Installing t he Router Figure 2-6 Connect Console P ort t o an Async Modem 1 Cisco 831 router’ s console port 4 W all jack 2 Router’ s console port 5 T elephone 3 An av ailable port on a n async modem 4 3 2 1 Cisco 831 +18 VDC CONSOLE ETHERNE[...]

Chapter 2 Installation Checking the PC Configuration 2-16 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Perform the follo wing steps to connect the Cisco 831 router’ s conso le port to an async modem: Step 1 Connect the RJ-45 end of the SOHO/800 Series Router Mo dem Cable to the Cisco 831 router ’ s console port. S[...]

2-17 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Verifying Router Operation Step 6 If you are prom pted, click Ye s to reboot the PC. For more information on ho w to configure TCP/IP , refer to the Cisco Router W eb Setup T r oubleshooting Guide , which is av ailable on Cisco.com. Verifying Rou[...]

Chapter 2 Installation Mounting the Router 2-18 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Mounting the Router Y ou can mount your router on o ne of the follo wing surfaces: • T able or other horizontal surface • W all or other vertical surface Mounting on a Table Place the router on a table f irmly , and perfor[...]

2-19 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Mounting t he Router Figure 2-7 W all-Mounting Brack ets (Bottom of Router) The follo wing condi tions must be met when you mount the router: Because you will use the LEDs as status and problem indicators, the front panel must face upw ard and be[...]

Chapter 2 Installation Mounting the Router 2-20 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Figur e 2-8 Mou nting Router o n W all OK 4 3 2 1 IN T E R N E T ECO MPUTERS T X D R X D 1 RXD TXD CISCO 800 S E R I E S 80288 1 5 6 4 3 2 7[...]

2-21 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation Connecting to a Website Perform the follo wing steps to mount the router on the w all: Step 1 Secure two scre ws 7 5/8 inches (19.35 cm ) apart into a wall an d 1/8 inch (0.32 cm ) from the wall. Step 2 Hang the router on the screws as sho wn in [...]

Chapter 2 Installation What to Do If Yo u Cannot Connect to a Website 2-22 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 What to Do If You Cannot Connect to a Website If you cannot co nnect to the Internet, usin g the factory conf iguration, or if you ha ve loaded ne w Cisco IOS software on the router since y ou instal[...]

2-23 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 2 Installation What to Do If You Cannot Connec t to a Website 4. If the PC is conf igured to automatical ly receiv e an IP address, but the web page still does not appear , select Start/Run , type winipcfg in the Run window , and examine the address in the IP a[...]

Chapter 2 Installation What to Do If Yo u Cannot Connect to a Website 2-24 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02[...]

CH A P T E R 3-1 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 3 Troubleshooting This chapter describes prob lems that could occur with the router h ardware, possible causes of the problems, and steps for solving th e problems. The problems are grouped a s follows: • Problems During First Startup • Problems After R[...]

Chapter 3 Troub leshooting Problems During First Startup 3-2 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Problems During First Startup Ta b l e 3 - 1 lists problems that could occur the firs t time you turn on the router . T able 3-1 Problems Dur in g First Startup Symptom Problem Solutions All LEDs, including OK LED[...]

3-3 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Chapter 3 Tr oubleshooting Problems During First Startup No connection t o Ethernet devices. (COMPUTER LEDs 1 through 4 are off.) A cable-related problem: • Improperly connected cable. • Damaged ca ble. Perform the follo wing tasks in order: 1. T o make sure that yo[...]

Chapter 3 Troub leshooting Problems After Router Is Running 3-4 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Problems After Router Is Running Ta b l e 3 - 2 lists problems that could occur after the router has been up and running. T able 3-2 Pro blems Aft er Router Is Running Symptom Problem Solutions Problems with Et[...]

A-5 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 APPENDIX A Specifications and Cables This appendix pro vides system, port, and cabling specif ications for the Ci sco 831 and SOHO 91 routers. System Specifications Ta b l e A - 1 outlines the system specifi cations for the routers. T able A-1 Syst em Specifications Des[...]

Appendix A Sp ecifications and Cables System Specifications A-6 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 For information on re gulatory compliance, refer to the Re gulatory Compliance and Safety Information for Cisco 800 Series and SOHO Series Routers do cument that was shipped with your router . War ni n g Ultima[...]

A-7 Cisco 831 Router and SOHO 91 Router Hardwa re Installation Guide 78-14784-02 Appendix A Sp ecifications and Cables LAN Port LAN Port The Cisco 831 and SOHO 91 routers pro vide a fixed onb oard LAN connection, which has a 10/100-Mb ps wire-speed non-bl ocking switch controller t hat performs the 10B ASE-T/100B ASE-T Ethe rnet switch operation. T[...]

Appendix A Sp ecifications and Cables Console Connector Pinouts A-8 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Console Connector Pinouts Ta b l e A - 3 provides pinouts for consol e connector (for connecting a termi nal or PC). T able A -3 Console Connect or Pinouts (RJ-45) The console port is configured as a data c[...]

A-9 Cisco 831 Router and SOHO 91 Router Hardwa re Installation Guide 78-14784-02 Appendix A Sp ecifications and Cables Cabling Specifications Thanks to the auto-crosso ver (autos ensing) function, both st raight-through and crossov er cables can be used for t he Ethern et LAN port . Ethernet Cable Specifications Ta b l e A - 4 provides the sp ecifi[...]

Appendix A Sp ecifications and Cables Cabling Specifications A-10 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02[...]

IN-1 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 INDEX Numerics 100BASE-T 1-2 10BASE-T 1-2 A AC adapter, connecting 2-12 accessory kit 2-5 AC input volt age A-6 adapter, included 2-5 altitude specifications A-5 autosensing function 1-1 B back panel (fig ure) 1-4 broadband modem, co nnecting 2-10 C cables included wit[...]

Index IN-2 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 E electrostatic damage, preventing 2-4 encryption, hardware-based 1-1 Ethernet cable, specifications A-9 F feature summary (table) 1-2 Flash memory 1-2 frequency specific ations A-6 front panel (figure) 1-3 H hardware-based encryption 1-1 hazard, defi ned xii hig[...]

IN-3 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02 Index S safety warnings 2-2 SDRAM, definition 1-2 server, connecting 2-6 software-based encryption 1-1 specifications Ethernet cable (table) A-9 maximum cable distance (table) A-9 system A-5 startup problems 3-2 straight-throu gh cable 1-1 system specifications (table)[...]

Index IN-4 Cisco 831 Router and SOHO 91 Router Hardware Installation Guide 78-14784-02[...]