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Manual Cisco Systems UBR904

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Summary
  • Cisco Systems UBR904 - page 1

    CHAPTER Preparing for Instal lation 2-1 2 Prepar ing f or Installation This chapter describes the equip ment and site requirements f or installing the Cisco u BR904 cable modem. The chapter cont ains the follo wing sections: • Safety Recommendations • Site Requirement s • T ools for Installat ion • Configuration Informatio n • Cisco uBR90 ...

  • Cisco Systems UBR904 - page 2

    Safety Recommendations Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-2 Safety Recommendations The following guidelines will help to ensure your safety and protect the equipment. This list does not cov er all potentially hazardous situations, so be alert . • The installation of your Cisco uBR904 cab le mo dem shou ld be in compl ...

  • Cisco Systems UBR904 - page 3

    Preparing for Instal lation 2-3 Safety with Electricity Saf ety with Electricity Follo w these basic guidelines when wo rking with any el ectrical equipment: • Disconnect all power and external cables before installing or removing a Cisco uBR904 cable modem. • Do not work alone wh en potentially hazardous condi tions exist. • Ne ver assume th ...

  • Cisco Systems UBR904 - page 4

    Safety Recommendations Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-4 Follo wing are guidelines for pre venting ESD damage: • If you use an ESD wrist strap or ankle strap, ensure that it makes good skin contact and that the equipment end of the ESD strap is attached to an unf i nished surface of the Cisco uBR904 cab le modem. ...

  • Cisco Systems UBR904 - page 5

    Preparing for Instal lation 2-5 CISPR 22 Requirements particular instal lation. If this eq uipment does cau se harmful interf erence to radio o r television reception, which can be determined b y turning the equipment of f and on, the user is encouraged to try to correct the interference by one or more of the following measures: • Reorient or rel ...

  • Cisco Systems UBR904 - page 6

    Site Requirements Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-6 AC Pow e r The A C-input po wer supply in the Cisco uBR904 cable modem uses a power f actor corrector that allo ws the Cisco uBR904 cab le modem to operate on input voltage and frequency within the ranges of 100 to 240 V A C and 50/60 Hz. Refer to T able 1-1 in the ...

  • Cisco Systems UBR904 - page 7

    Preparing for Instal lation 2-7 Wiring and Cabling If wires exceed recommended di stances, or if wires pass betw een buildings, gi v e special consideration to the effect of a lightning strike in your vicinity . The electromagn etic pulse caused by lightning or other high-energy phenomena can easily couple enough energy into unshielded conductors t ...

  • Cisco Systems UBR904 - page 8

    Site Requirements Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-8 W e recommend that you replace any cable that is in question to begin the installation with clean, two-way digital data transmission media. If the cable is of high-quality and was recently installed, replacing the connectors with high-qualit y connectors can also i ...

  • Cisco Systems UBR904 - page 9

    Preparing for Instal lation 2-9 Personal Computer Hardware and Softwa re P ersonal Computer Hardw are and Software The Cisco uBR904 cable modem must be c onnected to a personal computer at the installation site. W e recommend a personal computer with the fo llowing configuration: • A Pentium or 486 processor-based personal computer running the Wi ...

  • Cisco Systems UBR904 - page 10

    Site Requirements Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-10 Figure 2-1 Cisco uBR904 Cable Modem Footprin t and Outer Dimensions Site En vironment T able 2-1 lists the operating and nonoperating en vironmental site requirement s. The following ranges are those within which the Cisco uBR904 cable modem will continue to opera ...

  • Cisco Systems UBR904 - page 11

    Preparing for Installation 2-11 Preventive Site Configuration: Maintaining Normal Operation T able 2-1 Specifications for Operating and Nono perating En vironments Pre ventive Site Configur ation: Maintaining Nor mal Operation Planning a proper location for the Cisco uBR90 4 cable modem is essential for successful system operation. Equipment pl ace ...

  • Cisco Systems UBR904 - page 12

    Tools for Instal lation Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-12 P ower Consider ations Follo w these precautions and recommendations when planning po wer connections to the Cisco uBR904 cable modem: • Check the power at your site before instal lation and during installatio n to ensure that you are recei ving clean po w ...

  • Cisco Systems UBR904 - page 13

    Preparing for Installation 2-13 Making a Crossover Ethe rnet Cable Connection Making a Crossov er Ether net Cable Connection The RJ-45 receptacle supports standard stra i g ht-thr ou g h and crosso v e r Ca te go ry 5 UTP (RJ-45) cables. Cisco Systems does not suppl y Category 5 UTP cables; these cables are av ailable commercially . Figure 2-2 sho ...

  • Cisco Systems UBR904 - page 14

    Configuration Information Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-14 Note Referring to the RJ-45 pinout in T able 2-2, proper common-mode line termi nations should be used for the unused Category 5 UTP cable pairs 4/5 and 7/8. Common-mod e termination reduces electroma gnetic interference (EMI). T o identify the RJ-45 cable ...

  • Cisco Systems UBR904 - page 15

    Preparing for Installation 2-15 Cisco uBR904 Cable Mode m Installation Checklist Note If an error message is displayed on the uBR904, you can find its explanation in the Cisco Cable CPE Err or Messages book, vie wable online at www .cisco.co m/univ ercd/cc/td/doc/product/cable/cab_mo dm/ubcmerrs.pdf . Cisco uBR904 Cab le Modem Installation Chec kli ...

  • Cisco Systems UBR904 - page 16

    Site Log Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-16 Site Log A site log provides a historical record of al l actions rele v ant to the Cisco uBR904 cable modem operation and maintenan ce. K eep the site log in a common place where anyone who performs tasks has access to it. Site l og entries might incl ude the follo wing: ? ...

  • Cisco Systems UBR904 - page 17

    Preparing for Installation 2-17 Site Log T able 2-5 Site Log Example Date Description of Action P erformed or Symptom Observed Initials ...

  • Cisco Systems UBR904 - page 18

    Site Log Cisco uBR904 Cable Modem Insta llation and Configuration Guide 2-18 ...

Manufacturer Cisco Systems Category Network Router

Documents that we receive from a manufacturer of a Cisco Systems UBR904 can be divided into several groups. They are, among others:
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- UBR904 manuals
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Cisco Systems UBR904.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cisco Systems UBR904, service manual, brief instructions and user manuals Cisco Systems UBR904. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Cisco Systems UBR904.

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A complete manual for the device Cisco Systems UBR904, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Cisco Systems UBR904 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cisco Systems UBR904.

A complete Cisco Systems manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Cisco Systems UBR904 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Cisco Systems UBR904, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Cisco Systems UBR904, that we can find in the current document
3. Tips how to use the basic functions of the device Cisco Systems UBR904 - which should help us in our first steps of using Cisco Systems UBR904
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cisco Systems UBR904
5. FAQ - Frequently Asked Questions
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