Cisco Systems UBR7225VXR specifications Audience, Document Organization, Chapter Title Description

Preface

Audience

This guide is intended for cable system installers and technicians who physically install and connect the Cisco uBR7225VXR universal broadband router and associated equipment at the cable headend or distribution hub. Cable system installers and technicians should be familiar with their cable plant base operating parameters and service offerings.

The guide provides limited configuration information. After following applicable procedures in this guide, refer to the “Obtaining Documentation and Submitting a Service Request” section on page xii for related Cisco publications that more completely address configuration.

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

Document Organization

This hardware installation guide is organized into the following chapters and appendixes:

Chapter Title	Description
Chapter 1, “Cisco uBR7225VXR	About Cisco uBR7225VXR chassis and components.
Overview”
Chapter 2, “Preparing the	Safety considerations, tools, and other equipment required to prepare your site.
Cisco uBR7225VXR Router for
Installation”
Chapter 3, “Installing the	Installing the chassis and connecting the power and network interface cables.
Cisco uBR7225VXR Router”
Chapter 4, “Connecting the	Connecting the Cisco uBR7225VXR router to a hybrid fiber-coaxial (HFC)
Cisco uBR7225VXR Router to the	network and configuring and measuring downstream and upstream portions of the
Cable Headend”	HFC network.
Chapter 5, “Maintaining the	Basic hardware maintenance instructions.
Cisco uBR7225VXR Router”
Chapter 6, “Troubleshooting”	Troubleshooting hardware installations.
Appendix A, “Cisco uBR7225VXR	System specifications.
Router Specifications”
Appendix B, “RF Specifications”	Recommended RF settings at the headend for both Data-over-Cable Service
	Interface Specifications (DOCSIS) and EuroDOCSIS networks.
Appendix C, “Cable Specifications”	Cable and cable pinout information for the Cisco uBR7225VXR router.
Appendix D, “Industry-Standard Wiring	The telephone industry color-code schemes for 25-pair wires including the pin
Plans”	numbers, optical fibers, and small wire pairs.
Appendix E, “Frequency Allocation	Information on the National Television System Committee (NTSC) frequency
Tables”	map for 6-MHz channel bands and the Phase Alternating Line (PAL) and
	SEquential Couleur Avec Memoire (SECAM) frequency map for 8-MHz channel
	bands.

Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide

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