Manuals
/
Brands
/
Computer Equipment
/
Network Router
/
Cisco Systems
/
Computer Equipment
/
Network Router
Cisco Systems
UBR7225VXR specifications
- page 8
1
8
184
184
Download
184 pages, 4.25 Mb
Contents
viii
Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
OL-17309-02
Contents
Main
Page
CONTENTS
Page
Page
Page
Page
Page
Preface
Document Revision History
Document Objectives
Audience
Document Organization
Document Conventions
Warning Definition
Obtaining Documentation and Submitting a Service Request
Cisco uBR7225VXR Overview
Cisco uBR7225VXR Universal Broadband Router
Page
Cisco uBR7225VXR Router Chassis
Cisco uBR7225VXR Network Interface Overview
Card Slot and Logical Interface Numbering
1 2 3 4 5
8 7 6
MAC-Layer Address
Supported System Configurations Overview
Basic Internet Access Services
Page
VPN Services
IP Telephony Services
Telco Return
Hardware Component Descriptions
Network Processing Engine
NPE Comparisons
Cisco Cable Interface Line Cards
Power Supplies
Fan Trays
Page
Page
Cisco uBR7225VXR Chassis
Subchassis and Midplane
Cisco uBR7225VXR Subchassis
CompactFlash Disk
Page
Page
Preparing the Cisco uBR7225VXR Router for Installation
Safety Recommendations
Lifting the Cisco uBR7225VXR Router Safely
Safety with Electricity
Preventing Electrostatic Discharge Damage
Site Requirements
AC Power
Site Environment
Site Configuration: Maintaining Normal Operation
General Precautions
Power Considerations
Required Network Information
Before You Begin
Installation Tools
Rack-Mount and Cable-Management Kit
Equipment Required to Verify Your Plants RF Setup
Shipping Container Contents
Verifying the Shipping Container Contents
Provisioning the Cable Headend
Two-Way Data and VoIP
Headend Certification
Diplex Filters
Receivers
DHCP, DNS, TFTP, and TD Servers
Telco Return
Dial-Up/Remote Access Servers
RADIUS Dial Security Servers
Authentication, Authorization, and Accounting Servers
VoIP Gateways and Gatekeepers
VoIP SGCP Pass-Through
Headend Wiring
Interference Considerations
Distance Limitations and Interface Specifications
Equipment Racks
Page
Site Preparation Checklist
Component Checklists
Installing the Cisco uBR7225VXR Router
Cisco uBR7225VXR Router Installation Checklist
Cisco uBR7225VXR Router Chassis Rack-Mounting Options
Page
Page
Cable-Management Bracket Requirements
Page
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
Page
Installing the Chassis in a Workbench or Tabletop Environment
Cabling
Connecting Cable Interface Line Card Cables
Console and Auxiliary Port Connection Equipment
Console Port Signals
Auxiliary Port Signals
Protective Grounding
Connecting Power
Connecting to the AC-Input Power Supply
Powering On the Cisco uBR7225VXR Router
Configuring the Interfaces
Page
Connecting the Cisco uBR7225VXR Router to the Cable Headend
4-2
Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
Two-Way Data Headend Architecture
Figure4-1 Typical Cable Headend Configuration for Two-Way Data
uBR7225VXR
One-Way Data Headend Architecture
RF and Digital Data Overview
Connecting and Configuring the Downstream
Installing and Configuring the Upconverter
Measuring the Downstream RF Signal
Measuring the Downstream RF Signal Using the Channel Power Option on a Spectrum Analyzer
Measuring the Downstream IF Signal at the Cisco uBR7225VXR Router
Page
Measuring the Downstream RF Signal at the Upconverter Output
Page
Page
Page
Measuring the Downstream RF Signal Using CATV Mode on a Spectrum Analyzer
Measuring the Downstream IF Signal at the Cisco uBR7225VXR Router Using CATV Mode
Page
Page
Measuring the Downstream RF Signal at the Upconverter Output Using CATV Mode
Page
Page
Page
Connecting and Configuring the Upstream
Connecting the Upstream to the Optical Receiver
4-19
Figure4-22 Connecting and Configuring the Upstream
Figure4-23 The X-level Test Point
Testing the Upstream Configuration
4-20
Diplex filter
Figure4-24 Calibrating Multiple X-level Test Points Connected to One Upstream Port
Cable modem
LH C
4-21
Figure4-25 Calibrating Multiple X-level Test Points Connected to Multiple Upstream Ports
Measuring the Upstream RF Signal
Measuring the Upstream RF Signal Using a Spectrum Analyzer
Page
Page
Analyzing the Upstream RF Signal
Page
Page
Using the Zero-Span Method with Adjacent Upstream Channels
Page
Page
Page
Page
Page
Page
Page
Page
Measuring the RF Signal at the Forward Test Point on a Laser Transmitter
Page
Page
Configuring the Digital Signal
Page
Page
Maintaining the Cisco uBR7225VXR Router
Online Insertion and Removal
Environmental Monitoring and Reporting Functions
Environmental Monitoring
Reporting Functions
Page
Page
Fan Failures
Troubleshooting
Overview
Providing Information
6-2
Chapter6 Troubleshooting Problem Solving with Subsystems
Problem Solving with Subsystems
Tip Isolating a problem to a specific subsystem simplifies the troubleshooting process.
be operating whenever system power is on.
Processor subsystemIncludes the network processing engine and cable interface line cards.
Identifying Startup Problems
Power Subsystem
Cooling Subsystem
Processor Subsystem
Troubleshooting the Network Processing Engine
Troubleshooting Cable Interface Line Cards
Other Troubleshooting Information Websites
Verifying the Downstream Signal
Page
A
Cisco uBR7225VXR Router Specifications
Cisco uBR7225VXR Physical and System Specifications
Page
B
RF Specifications
DOCSIS 1.0 Transmission Characteristics
Page
DOCSIS 1.1 Transmission Characteristics
EuroDOCSIS Transmission Characteristics
Page
Page
Electrical Input and Output
Page
Page
C
Cable Specifications
Coaxial Cables
Console and Auxiliary Port Cables and Pinouts
Identifying an RJ-45 Rollover Cable
Console Port Cables and Pinouts
Auxiliary Port Cables and Pinouts
Fast Ethernet Port Cables and Pinouts
Identifying an RJ-45 Crossover Cable
Identifying an RJ-45 Straight-Through Cable
Fiber-Optic Cables and Connectors
D
Industry-Standard Wiring Plans
About Wiring Standards
TIA/EIA Standards Information
Optical Fiber Color Codes
Telephone Wire Color Codes
Page
Page
Page
E
Frequency Allocation Tables
Standards Comparisons
NTSC Cable Television Channels and Relative Frequencies
Page
Page
Page
Page
NTSC (M) Cable Television Frequencies for Japan
Page
PAL/SECAM Cable Television Channels and Relative Frequencies
Page
Page
Page
Page
F
Manufacturers for Headend Provisioning Requirements
North American Channel Plans
Page
European Channel Plans
Page
G
Site Log
Page
GLOSSARY
Symbols
A
B
C
D
E
F
G
H
I
M
N
O
P
Q
R
T
U
V
X
INDEX
A
B
C
D
E
F
G
H
I
J
K
L
M
N
Q
R
S
T
U
V
W
X
Z