Juniper Networks G10 CMTS - Manual

Juniper Networks G10 CMTS

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Table of Contents:

  • Page 2 – ii
  • Page 3 – iii; Table of Contents; About This Manual; Chapter 1; System Overview; Chapter 2; Hardware Component Overview
  • Page 4 – iv; Chapter 3; System Architecture Overview
  • Page 5 – Initial Installation; Chapter 4; Prepare the Site; Chapter 5; Install the CMTS
  • Page 6 – Chapter 6; Connect the Power and Perform Initial Configuration; Troubleshooting and Maintenance; Chapter 7; RF Measurements; Chapter 8; Troubleshooting
  • Page 7 – vii; Chapter 9; Replacement Procedures; Appendixes; Appendix A; Agency Certifications; Appendix B; EIA Channel Plans; Index; Index
  • Page 8 – viii
  • Page 9 – ix; List of Figures; List of Figures
  • Page 11 – xi; List of Tables; List of Tables
  • Page 12 – xii
  • Page 13 – Objectives
  • Page 14 – Audience; JUNOSg Software Operational Mode Command Reference
  • Page 15 – Documentation Conventions; show chassis hardware
  • Page 16 – Contact Juniper Networks; For technical support, contact Juniper Networks at; Documentation Feedback
  • Page 17 – Par t 1; Product Over view; System Overview on page 3
  • Page 19 – System Over view; System Description; multiple service
  • Page 20 – Figure 1: Typical CMTS Location
  • Page 23 – G10 CMTS Features and Functions
  • Page 24 – G10 CMTS Components; See the
  • Page 26 – G10 CMTS Management
  • Page 27 – G10 CMTS Hardware Overview
  • Page 28 – Figure 5: Front View of Par tially Configured Chassis
  • Page 30 – Figure 7: Rear View of Par tially Configured Chassis; Air
  • Page 31 – Rear
  • Page 32 – Front fan tray LED—LED that shows the status of the front fan tray.
  • Page 33 – Rear fan tray LED—LED that shows the status of the rear fan tray.
  • Page 35 – Hardware Component Over view; Chassis
  • Page 36 – Physical Characteristics; Table 1: Chassis Physical Specifications
  • Page 37 – Card Cage and Midplane; Table 3: Card Cage and Midplane Specifications
  • Page 39 – Front View; Rear View
  • Page 41 – Chassis Versions; Ability to read the chassis version with the; When Ethernet wiring within the new midplane is used:
  • Page 42 – Power Supplies; The power supply front panel contains two indicator LEDs—
  • Page 44 – Table 7: Power Supply Specifications; Power Transition Modules
  • Page 45 – Cooling and Fans; for more information on event configuration.; DOCSIS Module; Figure 12 on page 30 shows the DOCSIS Module front panel.
  • Page 46 – Figure 12: DOCSIS Module Front Panel; Hot Swap
  • Page 47 – Functional Characteristics; The DOCSIS Module is fully compliant with
  • Page 48 – Figure 13: DOCSIS Module Block Diagram; Data Packet Processing
  • Page 49 – Higher Layer Functions; The DOCSIS Module provides the following higher layer functions:
  • Page 50 – MAC Layer Functions; The DOCSIS Module provides the following MAC layer functions:; Physical Layer Functions
  • Page 51 – Modem Management
  • Page 52 – Physical and Electrical Characteristics; The front panel connectors are not used.
  • Page 53 – Chassis Control Module; front. See “Hard Disk Module” on page 55 for more discussion.
  • Page 54 – COM
  • Page 56 – JUNOSg Software Configuration Guide: Getting Started and System; Each Chassis Control Module consumes 29 watts maximum power.
  • Page 58 – NIC Module; Figure 16 on page 43 shows the NIC Module front panel.
  • Page 60 – Each NIC Module consumes 36 watts maximum power.
  • Page 64 – Chassis Rear Modules; This section discusses the following chassis rear modules:; NIC Access Module; Table 22: NIC Access Module LEDs
  • Page 66 – HFC Connector Module; Table 23: HFC Connector Module Fast Ethernet LEDs
  • Page 68 – Figure 19: G10 CMTS Data Flow
  • Page 70 – Table 24: SIM Fast Ethernet Por t LEDs
  • Page 71 – Hard Disk Module; The serial port
  • Page 72 – Figure 21: Hard Disk Module Rear Panel
  • Page 73 – System Architecture Over view; JUNOSg Internet Software Over view
  • Page 74 – JUNOSg Internet Software Overview; Routing Engine Software Components; Routing Protocol Process on page 58; Routing Protocol Process
  • Page 75 – Routing and Forwarding Tables; import policies
  • Page 76 – Interface Process
  • Page 77 – Tools for Accessing and Controlling the Software; Fast Ethernet management port (; Software Monitoring Tools; ping; Software Installation and Upgrade Procedures
  • Page 78 – Data Path Processing; The packet is classified to a service flow based on its header.
  • Page 79 – Upstream Data Path
  • Page 80 – Figure 22: G10 CMTS Data Flow
  • Page 81 – Par t 2; Prepare the Site on page 67
  • Page 84 – Safety Precautions; We recommend the use of a lift to install the G10 CMTS.
  • Page 86 – Notices; This equipment is intended for indoor use only.
  • Page 87 – Use the factory-supplied power cords for AC power.
  • Page 88 – Environment; DC Power; Table 25: G10 CMTS Environmental Specifications
  • Page 89 – Mounting
  • Page 90 – Tools and Equipment Required for Installation
  • Page 91 – Coaxial Cable Requirements; Table 26: Coaxial Cable Requirements; Characterization of Installation Site
  • Page 94 – Table 29: Upstream CMTS Parameter Characterization
  • Page 98 – Summary Checklist; Summar y Checklist; Table 32: Pre-Installation Requirement Summar y Checklist
  • Page 99 – Noise Measurement Methodology; Table 33: Average Noise Spectrum Analyzer Settings
  • Page 100 – Peak Upstream Noise Measurement; Table 34: Peak Noise Spectrum Analyzer Setup
  • Page 101 – Additional Characterization Tables
  • Page 103 – Upstream CMTS Parameter Characterization
  • Page 105 – Verification of Shipping Cartons; Downstream CMTS Parameter Characterization; Verification of Shipping Car tons
  • Page 106 – G10 CMTS Installation Checklist; Table 38: G10 CMTS Installation Checklist
  • Page 110 – Connect to Power Sources on page 119; Ground the Chassis
  • Page 111 – Rack Mounting
  • Page 112 – Figure 25: Air Flow Through Chassis
  • Page 113 – Front
  • Page 114 – Figure 27: Lifting the Chassis
  • Page 116 – Figure 29: Rack Fully Populated with Three G10 CMTS Chassis
  • Page 117 – Install Power Supplies; To install an additional power supply, follow this procedure:
  • Page 118 – Figure 30: Power Supply Installation
  • Page 119 – Install a DOCSIS Module; To install a DOCSIS Module, follow this procedure:
  • Page 120 – Figure 31: Air Management Module Removal
  • Page 121 – Install an HFC Connector Module or SIM; To install an HFC Connector Module or SIM, follow this procedure:
  • Page 124 – Install a Chassis Control Module; To install a NIC Module, follow this procedure:; Install a NIC Access Module
  • Page 125 – Cable an HFC Connector Module or SIM; Figure 34: Example of Allocation of Multiple Interfaces Per Por t
  • Page 126 – on the HFC Connector Module or the SIM.
  • Page 128 – Figure 35: Rear Coaxial Cable Connections
  • Page 129 – Cable a Chassis Control Module; on its front; Cable a NIC Module
  • Page 130 – Figure 36: NIC Module Cabling – Front View
  • Page 131 – Cable a NIC Access Module; PORT 6
  • Page 134 – You can use PORT 9 through PORT 12 on cable
  • Page 135 – Attach a PC to the Chassis Control Module; Close the retainer clips so that they clasp around the power cords.
  • Page 136 – Figure 38: AC Power Cord and Retainer Clip
  • Page 138 – Figure 39: DC Power Transition Module
  • Page 139 – This chapter discusses the following topics:; Power On the G10 CMTS
  • Page 140 – If the
  • Page 143 – Power On and Configure the PC
  • Page 144 – Perform Initial Software Configuration; root
  • Page 145 – Configure the IP address of a DNS server.
  • Page 146 – statements. Then, commit the changes to activate them on the CMTS.
  • Page 147 – Par t 3; RF Measurements on page 133
  • Page 150 – Downstream RF Measurement in CATV Mode; downstream-interface
  • Page 151 – Downstream RF Measurement in Spectrum Analyzer Mode; show configuration
  • Page 152 – Press the
  • Page 153 – Upstream RF Measurement
  • Page 154 – SGL SWP; statement is not included in your configuration, the
  • Page 157 – HFC plant; Features for Troubleshooting
  • Page 158 – Flap List; —an entry is added to a table called a; Use the Flap List for Troubleshooting; To display the flap list, issue the
  • Page 160 – block upconversion
  • Page 161 – Local Event Log; The local event log of the CMTS corresponds to the; Table 46: Local Event Log Headings Displayed
  • Page 162 – Operational Commands
  • Page 163 – ServiceGuard Management System
  • Page 164 – CMTS Power and Booting Issues; CMTS Does Not Boot Successfully
  • Page 165 – CMTS Powers Down; high
  • Page 166 – Ideal HFC Plant Configuration Issues; IM
  • Page 167 – Cable Modem Cannot Establish IP Connectivity
  • Page 168 – Cable Modem Throughput is Slow
  • Page 170 – Congestion might be attributed to one or more of the following:; Enable load balancing in the CMTS by including the
  • Page 172 – Cable Modem is Dropped; show cable policy admission-control; HFC Plant Related Issues
  • Page 173 – Cable Modem Cannot Successfully Range; JUNOSg Software Configuration Guide: Interfaces,
  • Page 174 – value or a low
  • Page 176 – Remove Power Supplies; Loosen the upper and lower retainer screws of the power supply.
  • Page 178 – Fan Trays; You can detect a fan tray failure by any of following indicators:; Replace a Fan Tray
  • Page 179 – Front Fan Trays
  • Page 180 – Figure 45: Front Fan Tray Replacement
  • Page 182 – Module Removal
  • Page 184 – Remove an HFC Connector Module or SIM; Loosen the two retainer screws.
  • Page 185 – Remove a Chassis Control Module; To remove a Chassis Control Module, follow this procedure:
  • Page 186 – Remove a Hard Disk Module; To remove a Hard Disk Module, follow this procedure:; Remove a NIC Module
  • Page 187 – Par t 4; Agency Certifications on page 173
  • Page 189 – Agency Cer tifications; Safety
  • Page 190 – EMC
  • Page 192 – Table 47: Downstream RF Channel Transmission Characteristics
  • Page 193 – Table 48: Upstream RF Channel Transmission Characteristics
  • Page 195 – Table 51: DOCSIS Maximum Upstream Channel Rates and Widths
  • Page 197 – Appendix C; Table 52: EIA Channel Plan
  • Page 203 – Par t 5
  • Page 205 – Numerics; cable
  • Page 206 – Ethernet management port
  • Page 208 – power receptacle
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Juniper Networks, Inc.

1194 North Mathilda Avenue

Sunnyvale, CA 94089

USA

408-745-2000

www.juniper.net

Part Number: 530-009111-01, Revision 1

G10 CMTS

Hardware Guide

Release 3.0

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Summary

Page 2 - ii

•••••••••••••••••••••••••••••••••••••••••••••••••••••••••• ii This product includes the Envoy SNMP Engine, developed by Epilogue Technology, an Integrated Systems Company. Copyright © 1986–1997, Epilogue Technology Corporation. All rights reserved. This program and its documentation were developed a...

Page 3 - iii; Table of Contents; About This Manual; Chapter 1; System Overview; Chapter 2; Hardware Component Overview

•••••••••••••••••••••••••••••••••••••••••••••••• Table of Contents iii Table of Contents About This Manual Objectives ............................................................................................................ xiiiAudience................................................................

Page 4 - iv; Chapter 3; System Architecture Overview

•••••••••••••••••••••••••••••••••••••••••••••••••••••••••• JUNOSg 3.0 G10 CMTS Hardware Guide iv Data Packet Processing .......................................................................... 32 Higher Layer Functions ................................................................... 33MAC Layer...

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