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Cisco Systems UBR7225VXR specifications Viii

Models: UBR7225VXR

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Troubleshooting Specifications Install Console Port Signals Symbols Headend Wiring Configuring the Interfaces Identifying Startup Problems Dial-Up/Remote Access Servers Checklist

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Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide

	viii	OL-17309-02

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Cisco Systems UBR7225VXR specifications Viii

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Contents

Americas Headquarters Text Part Number OL-17309-02Page N T E N T S AC Power Measuring the Downstream RF Signal at the Upconverter Output Maintaining the Cisco uBR7225VXR Router Coaxial Cables C-1 Viii Preface Document Revision HistoryDocument Objectives Revision Date Change Summary Chapter Title Description AudienceDocument Organization Document Conventions Appendix G, Site Log Obtaining Documentation and Submitting a Service Request Cisco uBR7225VXR Overview Cisco uBR7225VXR Universal Broadband Router OL-17309-02 Cisco uBR7225VXR Router Chassis Cable interface line card slot Cisco uBR7225VXR Network Interface Overview Card Slot and Logical Interface Numbering MAC-Layer Address Cisco uBR7255VXR Chassis and Cable Interface Line Cards Supported System Configurations Overview Basic Internet Access Services Two-Way HFC Cable Network Example VPN Services IP Telephony Services Telco Return HFC Hardware Component Descriptions Network Processing Engine NPE Comparisons Cisco Cable Interface Line Cards Power Supplies Cisco uBR7225VXR AC-Input Power Supply Fan Trays Cisco uBR7225VXR Fan Tray Internal Airflow-Top View Cisco uBR7225VXR Chassis Subchassis and Midplane CompactFlash Disk Top Back Cisco uBR7225VXR Overview Hardware Component Descriptions OL-17309-02 Installation Safety Recommendations Lifting the Cisco uBR7225VXR Router Safely Safety with Electricity Lifting the Chassis Cisco uBR7246 Router Shown Preventing Electrostatic Discharge Damage Site Environment AC PowerSite Requirements Specification Minimum Maximum Site Configuration Maintaining Normal OperationGeneral Precautions Before You Begin Power ConsiderationsRequired Network Information Installation Tools Rack-Mount and Cable-Management Kit Equipment Required to Verify Your Plant’s RF Setup Shipping Container Contents Provisioning the Cable Headend Two-Way Data and VoIP Receivers Headend CertificationDiplex Filters Dial-Up/Remote Access Servers DHCP, DNS, TFTP, and TD Servers VoIP Sgcp Pass-Through Authentication, Authorization, and Accounting ServersVoIP Gateways and Gatekeepers Headend Wiring Interference Considerations Equipment Racks 17.32 23.875 21.875 Site Preparation Checklist Task Verified By Date Component Checklists Task Verified By Date Installing the Cisco uBR7225VXR Router Cisco uBR7225VXR Router Installation Checklist Cisco uBR7225VXR Router Chassis Rack-Mounting Options Typical 4-Post Equipment Rack Posts and Mounting Strips Rack-mount bracket Installing the Chassis in a Telco-Type Rack Cable-Management Bracket Requirements Rack-mount bracket Cable-management bracket Installing the Brackets on the Chassis Installing Rack-Mount Brackets on the Rear of the Chassis Installing Rack-Mount Brackets on the Front of the Chassis Installing Rack-Mount Brackets in the Middle of the Chassis Installing the Chassis in the Rack OL-17309-02 OL-17309-02 Cabling Connecting Cable Interface Line Card Cables Console and Auxiliary Port Connection Equipment Pin Signal Direction Description Console Port SignalsAuxiliary Port Signals Connecting Power Protective Grounding Connecting to the AC-Input Power Supply Powering On the Cisco uBR7225VXR Router 14 Connecting AC-Input Power Configuring the Interfaces OL-17309-02 Connecting the Cisco uBR7225VXR Router to the Cable Headend Two-Way Data Headend Architecture One-Way Data Headend Architecture RF and Digital Data Overview Installing and Configuring the Upconverter Connecting and Configuring the DownstreamMeasuring the Downstream RF Signal Page Viewing the Downstream if Signal on a Spectrum Analyzer Measuring the Downstream RF Signal at the Upconverter Output Overloaded Spectrum Analyzer Input Page OL-17309-02 OL-17309-02 OL-17309-02 OL-17309-02 OL-17309-02 OL-17309-02 OL-17309-02 OL-17309-02 Connecting and Configuring the Upstream Connecting the Upstream to the Optical ReceiverDocsis Specification Channel Bandwidth Cisco MC11 Fpga Testing the Upstream Configuration 30 km Fiber node Milliwatt Measure +10 dBmV at this point Optical receiver Downstream Optical +10 dBmV Receiver +13 dBmV Attenuator Measuring the Upstream RF Signal Measuring the Upstream RF Signal Using a Spectrum Analyzer OL-17309-02 OL-17309-02 Analyzing the Upstream RF Signal 29 Analyzing the Upstream RF Signal-64-Byte Data Packets 30 Analyzing the Upstream RF Signal-1500-Byte Data Packets OL-17309-02 Symbol Rate +/-1/2 Symbol Rate Bandwidth Using the Zero-Span Method with Adjacent Upstream ChannelsCenter Frequency Minimum Resolution OL-17309-02 35 Vector Signal Analyzer Plot of Upstream Data Burst OL-17309-02 OL-17309-02 OL-17309-02 39 Preamble Amplitude Before Center Frequency Adjustment 41 Original Preamble Viewed with Accelerated Sweep Time OL-17309-02 Connecting the Cisco uBR7225VXR Router to the Cable Headend OL-17309-02 Connecting the Cisco uBR7225VXR Router to the Cable Headend Configuring the Digital Signal OL-17309-02 OL-17309-02 Maintaining the Cisco uBR7225VXR Router Online Insertion and Removal Environmental Monitoring and Reporting Functions Environmental Monitoring Reporting Functions Parameter High Warning High Critical Shutdown Router# show environment Temperature ranges and values are subject to change Fan Failures Providing Information TroubleshootingOverview Problem Solving with Subsystems Troubleshooting Problem Solving with Subsystems Identifying Startup Problems Power Subsystem Cooling Subsystem Troubleshooting the Network Processing Engine Processor Subsystem Troubleshooting Cable Interface Line Cards Verifying the Downstream Signal Other Troubleshooting Information Websites Troubleshooting Verifying the Downstream Signal Cisco uBR7225VXR Router Specifications Description Specification Broadband Routers at the following URL RF Specifications Channel Symbol Rate Raw Data Rate Nominal DataBandwidth, MHz Msym/sec Mbps Rate, Mbps Channel Qpsk Raw Parameter Value Docsis 1.0 Transmission CharacteristicsDownstream RF Channel Transmission Characteristics Upstream RF Channel Transmission Characteristics Docsis 1.1 Transmission Characteristics EuroDOCSIS Transmission Characteristics Downstream RF Channel Transmission Characteristics Upstream RF Channel Transmission Characteristics Electrical Input and Output Parameter Value OL-17309-02 Cable Specifications Coaxial Cables Console and Auxiliary Port Cables and Pinouts Identifying an RJ-45 Rollover Cable Console Port Cables and Pinouts RJ-45-to-DB-9 Identifying an RJ-45 Crossover Cable Fast Ethernet Port Cables and PinoutsAuxiliary Port Cables and Pinouts RJ-45 Pin Description Identifying an RJ-45 Straight-Through CableRJ-45 Pin Fiber-Optic Cables and Connectors Figure C-5 Duplex SC Cable Connector Industry-Standard Wiring Plans About Wiring Standards Position Color Optical Fiber Color CodesTIA/EIA Standards Information Telephone Wire Color Codes Pair Number Wire Number Solid Color Stripe Color Pin Number Pair Number Wire Number Solid Color Stripe Color Pin Number Pair Number Wire Number Solid Color Stripe Color White Blue Green Red Orange Black Yellow OL-17309-02 Frequency Allocation Tables Http//developer.apple.com Http//atxnetworks.com Standards Comparisons B1, G D1, K Ntsc Cable Television Channels and Relative Frequencies Freq MHz Carrier Visual Aural Table E-4 Freq MHz Carrier Visual Aural Table E-4 Ntsc M Cable Television Frequencies for Japan Table E-5 Japanese Channel Assignments PAL/SECAM Cable Television Channels and Relative Frequencies Bandwidth Visual Carrier Aural Carrier Channel Channel Bandwidth Visual Carrier Aural Carrier Number MHz Table E-6 OL-17309-02 Manufacturer Website or Phone Number Products/Model Manufacturers for Headend Provisioning RequirementsNorth American Channel Plans Agilent Agilent 89411A European Channel Plans Agilent Agilent 8591C Tektronix 2715 Sunrise Telecom AT2000R Site Log Initials Symbols GL-2 GL-3 GL-4 GL-5 GL-6 D E IN-2 IN-3 IN-4 IN-5 IN-6 IN-7 IN-8

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