Cisco Systems UBR7225VXR specifications IN-2

Page 178
F-2,F-4
2-12
i-xii
4-25,4-26
2-16
F-1,F-3

Index

clearance, for air circulation clipping 4-4

coaxial jumper manufacturers

color codes

 

 

 

 

 

optical fiber

D-2

 

 

small wiring groups

D-5

telephone wire

D-3

 

commands

 

 

 

 

 

show environment

2-6,5-3,5-5

configuration tools

1-7

 

configuring

 

 

 

 

 

digital data

4-1

 

 

digital signal

 

4-40

 

RF data

4-1

 

 

 

 

RF signal

4-4

 

 

 

typical cable headend

4-2,4-3

configuring the console port 3-15

connecting to power

3-16,3-17

connection equipment

 

 

auxiliary port signals

3-15

console and auxiliary

3-14

console port signals

3-15

console port, cables

 

 

console port

 

C-3

 

 

console terminal, system banner display 6-3

cooling subsystem

6-2

crossover cables

C-4,C-5

D

damage from overheating 5-2

Data-over-Cable Service Interface Specifications 1-1,2-12,4-24,4-34,4-36

data packets

data transmission, verify downstream signals 6-7described

DHCP server

digital data signals 4-3

digital signal level meter manufacturers

diplex filter manufacturers F-1,F-3

diplex filters

2-11

 

 

displays, environmental

5-3

 

distance limitations, transmission

2-14

DNS server

2-12

 

 

DOCSIS

2-12

 

 

transfer configuration files

2-12

DOCSIS 1.0 parameters

B-2

 

DOCSIS 1.1 parameters

B-5

 

downstream

 

 

 

connecting and configuring

4-4

measuring laser transmitter forward test

point

4-37 to 4-40

 

 

measuring RF signal

4-5 to 4-17

E

EEPROM, MAC address bank

1-5

 

electrical input and output B-8

 

 

electrical noise

4-3

 

 

electromagnetic pulse, avoiding

2-14

 

EMI, shielding

2-4

 

 

environmental monitor, description 5-2

 

environmental specifications 2-6

 

Environmental status 5-4

 

 

equipment, CMTS 2-12

 

 

EuroDOCSIS

1-1,2-12,B-6

 

 

examples

 

 

 

show environment all command output

5-5

show environment command output 5-4

 

show environment last command output

5-4

exhaust air 5-4

 

 

 

F

faceplate 1-11fan failures 5-6

fan tray 1-2,1-14,1-16Fast Ethernet C-4

Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide

 

IN-2

OL-17309-02

 

 

 

Image 178
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 Document Objectives PrefaceDocument Revision History Revision Date Change SummaryDocument Organization AudienceChapter Title Description Document Conventions Appendix G, Site LogObtaining Documentation and Submitting a Service Request Cisco uBR7225VXR Overview Cisco uBR7225VXR Universal Broadband RouterOL-17309-02 Cisco uBR7225VXR Router Chassis Cable interface line card slotCisco uBR7225VXR Network Interface Overview Card Slot and Logical Interface NumberingMAC-Layer Address Cisco uBR7255VXR Chassis and Cable Interface Line CardsSupported System Configurations Overview Basic Internet Access ServicesTwo-Way HFC Cable Network Example VPN Services IP Telephony ServicesTelco Return HFCHardware Component Descriptions Network Processing EngineNPE Comparisons Cisco Cable Interface Line Cards Power Supplies Cisco uBR7225VXR AC-Input Power Supply Fan TraysCisco uBR7225VXR Fan Tray Internal Airflow-Top View Cisco uBR7225VXR Chassis Subchassis and MidplaneCompactFlash Disk Top BackCisco uBR7225VXR Overview Hardware Component Descriptions OL-17309-02 Installation Safety RecommendationsLifting the Cisco uBR7225VXR Router Safely Safety with Electricity Lifting the Chassis Cisco uBR7246 Router ShownPreventing Electrostatic Discharge Damage Site Requirements AC PowerSite Environment General Precautions Site Configuration Maintaining Normal OperationSpecification Minimum Maximum Required Network Information Power ConsiderationsBefore You Begin Installation Tools Rack-Mount and Cable-Management KitEquipment Required to Verify Your Plant’s RF Setup Shipping Container ContentsProvisioning the Cable Headend Two-Way Data and VoIPDiplex Filters Headend CertificationReceivers Dial-Up/Remote Access Servers DHCP, DNS, TFTP, and TD ServersVoIP Gateways and Gatekeepers Authentication, Authorization, and Accounting ServersVoIP Sgcp Pass-Through Headend Wiring Interference ConsiderationsEquipment Racks 17.32 23.875 21.875 Site Preparation Checklist Task Verified By DateComponent Checklists Task Verified By DateInstalling the Cisco uBR7225VXR Router Cisco uBR7225VXR Router Installation ChecklistCisco 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 RequirementsRack-mount bracket Cable-management bracket Installing the Brackets on the Chassis Installing Rack-Mount Brackets on the Rear of the ChassisInstalling 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 EquipmentAuxiliary Port Signals Console Port SignalsPin Signal Direction Description Connecting Power Protective GroundingConnecting to the AC-Input Power Supply Powering On the Cisco uBR7225VXR Router 14 Connecting AC-Input PowerConfiguring 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 OverviewMeasuring the Downstream RF Signal Connecting and Configuring the DownstreamInstalling and Configuring the Upconverter 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 Docsis Specification Connecting and Configuring the UpstreamConnecting the Upstream to the Optical Receiver Channel Bandwidth Cisco MC11 FpgaTesting the Upstream Configuration 30 km Fiber node Milliwatt Measure +10 dBmV at this pointOptical receiver Downstream Optical +10 dBmV Receiver +13 dBmV Attenuator Measuring the Upstream RF Signal Measuring the Upstream RF Signal Using a Spectrum AnalyzerOL-17309-02 OL-17309-02 Analyzing the Upstream RF Signal 29 Analyzing the Upstream RF Signal-64-Byte Data Packets30 Analyzing the Upstream RF Signal-1500-Byte Data Packets OL-17309-02 Center Frequency Minimum Resolution Using the Zero-Span Method with Adjacent Upstream ChannelsSymbol Rate +/-1/2 Symbol Rate Bandwidth 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 RemovalEnvironmental Monitoring and Reporting Functions Environmental MonitoringReporting Functions Parameter High Warning High Critical ShutdownRouter# show environment Temperature ranges and values are subject to change Fan Failures Overview TroubleshootingProviding Information Problem Solving with Subsystems Troubleshooting Problem Solving with SubsystemsIdentifying Startup Problems Power Subsystem Cooling SubsystemTroubleshooting the Network Processing Engine Processor SubsystemTroubleshooting Cable Interface Line Cards Verifying the Downstream Signal Other Troubleshooting Information WebsitesTroubleshooting Verifying the Downstream Signal Cisco uBR7225VXR Router Specifications Description SpecificationBroadband Routers at the following URL Bandwidth, MHz Msym/sec Mbps Rate, Mbps RF SpecificationsChannel Symbol Rate Raw Data Rate Nominal Data Channel Qpsk RawDownstream RF Channel Transmission Characteristics Docsis 1.0 Transmission CharacteristicsParameter Value 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 CablesConsole and Auxiliary Port Cables and Pinouts Identifying an RJ-45 Rollover CableConsole Port Cables and Pinouts RJ-45-to-DB-9Auxiliary Port Cables and Pinouts Fast Ethernet Port Cables and PinoutsIdentifying an RJ-45 Crossover Cable RJ-45 Pin Identifying an RJ-45 Straight-Through CableRJ-45 Pin Description Fiber-Optic Cables and Connectors Figure C-5 Duplex SC Cable ConnectorIndustry-Standard Wiring Plans About Wiring StandardsTIA/EIA Standards Information Optical Fiber Color CodesPosition Color Telephone Wire Color Codes Pair Number Wire Number Solid Color Stripe Color Pin NumberPair Number Wire Number Solid Color Stripe Color Pin Number Pair Number Wire Number Solid Color Stripe Color White Blue Green Red Orange Black YellowOL-17309-02 Frequency Allocation Tables Http//developer.apple.com Http//atxnetworks.comStandards Comparisons B1, G D1, KNtsc 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 CarrierChannel Channel Bandwidth Visual Carrier Aural Carrier Number MHz Table E-6 OL-17309-02 North American Channel Plans Manufacturers for Headend Provisioning RequirementsManufacturer Website or Phone Number Products/Model 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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