Cisco Systems UBR7225VXR specifications Preface, Document Revision History, Document Objectives

Preface

This preface describes the objectives, intended audience, and organization of this document and explains how to find additional information on related products and services.

This preface contains the following sections:

•Document Revision History, page ix

•Document Objectives, page ix

•Audience, page x

•Document Organization, page x

•Document Conventions, page xi

•Obtaining Documentation and Submitting a Service Request, page xii

Document Revision History

The Document Revision History table below records technical changes to this document.

Revision	Date	Change Summary
OL-17309-01	December 15, 2008	Original publication.
OL-17309-02	August 2012	Added information about the new 540 W AC-input power
		supply.

Document Objectives

This guide provides hardware installation instructions for the Cisco uBR7225VXR universal broadband router.

The guide contains procedures to unpack, install, and connect the Cisco uBR7225VXR router hardware that enables your cable television (CATV) headend or distribution hub to support digital data and Voice-over-IP (VoIP) services. The guide includes procedures to characterize your cable plant to ensure that data services are reliably supported over the cable infrastructure.

Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide

OL-17309-02 ix