Juniper Networks G10 CMTS User Manuals

Table of Contents

• Table of Contents

  3
• About This Manual

  13
  • Objectives

    13
  • Audience

    14
  • Document Organization

    14
  • Related Documents

    14
  • Documentation Conventions

    15
    • Notes, Cautions, and Warnings

      15
  • Contact Juniper Networks

    16
  • Documentation Feedback

    16
• Product Overview

  17
  • System Overview

    19
    • System Description

      19
    • Field-Replaceable Units (FRUs)

      22
    • G10 CMTS Features and Functions

      23
      • Functional Overview

        23
      • Broadband Cable Processor ASIC

        23
    • G10 CMTS Components

      24
    • G10 CMTS Management

      26
    • G10 CMTS Hardware Overview

      26
  • Hardware Component Overview

    35
    • Chassis

      35
      • Physical Characteristics

        36
      • Card Cage and Midplane

        37
      • Chassis Versions

        41
      • Power Supplies

        42
      • Power Transition Modules

        44
      • Cooling and Fans

        45
    • DOCSIS Module

      45
      • Functional Characteristics

        47
        • Data Packet Processing

          48
          • Higher Layer Functions

            49
          • MAC Layer Functions

            50
          • Physical Layer Functions

            50
        • Modem Management

          51
          • MAC Layer Scheduling

            51
          • Cable Modem Management

            51
        • Enhanced Routing and Bridging Features

          51
      • Physical and Electrical Characteristics

        52
    • Chassis Control Module

      53
      • Functional Characteristics

        54
        • Configuration, State, and Alarm Data

          56
      • Physical and Electrical Characteristics

        56
    • NIC Module

      58
      • Functional Characteristics

        60
      • Physical and Electrical Characteristics

        60
    • Chassis Rear Modules

      64
      • NIC Access Module

        64
      • HFC Connector Module

        66
      • Switched I/O Module

        69
      • Hard Disk Module

        71
  • System Architecture Overview

    73
    • JUNOSg Internet Software Overview

      73
      • Routing Engine Software Components

        74
        • Routing Protocol Process

          74
          • Routing Protocols

            74
          • Routing and Forwarding Tables

            75
          • Routing Policy

            75
        • Interface Process

          76
        • SNMP and MIB II Processes

          76
        • Management Process

          76
        • Routing Engine Kernel

          76
      • Tools for Accessing and Controlling the Software

        77
      • Software Monitoring Tools

        77
      • Software Installation and Upgrade Procedures

        77
    • Data Path Processing

      78
      • Downstream Data Path

        78
      • Upstream Data Path

        79
• Initial Installation

  81
  • Prepare the Site

    83
    • Safety Precautions

      84
    • Notices

      86
    • Power

      87
      • AC Power

        87
      • DC Power

        88
    • Environment

      88
    • Mounting

      89
    • Tools and Equipment Required for Installation

      90
    • Coaxial Cable Requirements

      91
    • Characterization of Installation Site

      91
    • Summary Checklist

      98
    • Noise Measurement Methodology

      99
      • Average Upstream Noise Measurement

        99
      • Peak Upstream Noise Measurement

        100
    • Additional Characterization Tables

      101
    • Verification of Shipping Cartons

      105
    • G10 CMTS Installation Checklist

      106
  • Install the CMTS

    109
    • Ground the Chassis

      110
    • Rack Mounting

      110
    • Install Power Supplies

      117
    • Install a DOCSIS Module

      119
    • Install an HFC Connector Module or SIM

      121
    • Install a Chassis Control Module

      124
    • Install a Hard Disk Module

      124
    • Install a NIC Module

      124
    • Install a NIC Access Module

      124
    • Cable an HFC Connector Module or SIM

      125
      • Cable the F-connector Ports

        125
    • Cable a Chassis Control Module

      129
    • Cable a NIC Module

      129
    • Cable a NIC Access Module

      131
    • Attach a PC to the Chassis Control Module

      135
    • Connect to Power Sources

      135
      • AC Power

        135
      • DC Power

        137
  • Connect the Power and Perform Initial Configuration

    139
    • Power On the G10 CMTS

      139
    • Power On and Configure the PC

      143
    • Perform Initial Software Configuration

      144
• Troubleshooting and Maintenance

  147
  • RF Measurements

    149
    • Downstream RF Measurement in CATV Mode

      150
    • Downstream RF Measurement in Spectrum Analyzer Mode

      151
    • Upstream RF Measurement

      153
  • Troubleshooting

    157
    • Features for Troubleshooting

      157
      • Flap List

        158
        • Use the Flap List for Troubleshooting

          158
      • Local Event Log

        161
      • Operational Commands

        162
      • ServiceGuard Management System

        163
    • CMTS Power and Booting Issues

      164
      • CMTS Is Not Powering Up

        164
      • CMTS Does Not Boot Successfully

        164
      • CMTS Powers Down

        165
    • Ideal HFC Plant Configuration Issues

      166
      • Cable Modem Cannot Successfully Range

        166
      • Cable Modem Cannot Establish IP Connectivity

        167
      • Cable Modem Cannot Successfully Register

        167
      • Cable Modem Throughput is Slow

        168
      • Cable Modem is Dropped

        172
    • HFC Plant Related Issues

      172
      • Cable Modem Cannot Successfully Range

        173
      • Cable Modem Throughput is Slow

        174
  • Replacement Procedures

    175
    • Power Supplies

      175
      • Remove Power Supplies

        176
    • Fan Trays

      178
      • Replace a Fan Tray

        178
        • Front Fan Trays

          179
        • Rear Fan Tray

          179
    • Module Removal

      182
      • Remove a DOCSIS Module

        182
      • Remove an HFC Connector Module or SIM

        184
      • Remove a Chassis Control Module

        185
      • Remove a Hard Disk Module

        186
      • Remove a NIC Module

        186
      • Remove a NIC Access Module

        186
• Appendixes

  187
  • Agency Certifications

    189
    • Safety

      189
    • EMC

      190
    • Immunity

      190
  • Radio Frequency (RF) Specifications

    191
  • EIA Channel Plans

    197
• Index

  203
  • Index

    205