Juniper ACX2200 Installation instructions

ACX2200 Universal Access Router Hardware
Guide
Modified: 2017-10-12
Copyright © 2017, Juniper Networks, Inc.

Juniper Networks, Inc.
1133 Innovation Way
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Copyright © 2017 Juniper Networks, Inc. All rights reserved.
Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc. and/or its affiliates in
the United States and other countries. All other trademarks may be property of their respective owners.
Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify,
transfer, or otherwise revise this publication without notice.
ACX2200 Universal Access Router Hardware Guide
Copyright © 2017 Juniper Networks, Inc. All rights reserved.
The information in this document is current as of the date on the title page.
YEAR 2000 NOTICE
Juniper Networks hardware and software products are Year 2000 compliant. Junos OS has no known time-related limitations through the
year 2038. However, the NTP application is known to have some difficulty in the year 2036.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with) Juniper Networks
software. Use of such software is subject to the terms and conditions of the End User License Agreement (“EULA”) posted at
http://www.juniper.net/support/eula/. By downloading, installing or using such software, you agree to the terms and conditions of that
EULA.
Copyright © 2017, Juniper Networks, Inc.ii

Table of Contents
AbouttheDocumentation............................................xiii
DocumentationandReleaseNotes.................................xiii
Supported Platforms............................................xiii
DocumentationConventions......................................xiii
DocumentationFeedback.........................................xv
RequestingTechnicalSupport.....................................xvi
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
OpeningaCasewithJTAC.....................................xvi
Part 1 Overview
Chapter1 SystemOverview...................................................3
ACX2200 Universal Access Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ACX2200 Routers Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . 4
PacketFlowonACXSeriesRouters.....................................6
Protocols and Applications Supported by the ACX2200 Router . . . . . . . . . . . . . . . 7
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
FrontPanelofanACX2200Router.....................................13
LEDsonACX2200Routers............................................15
SystemLEDontheFrontPanel.....................................15
EthernetPortLEDs..............................................15
SFPandSFP+PortLEDs..........................................15
Management and Console Port LEDs on the Front Panel . . . . . . . . . . . . . . . . 16
UplinkPortsonACX2200Routers......................................16
GigabitEthernetRJ-45Ports.......................................17
GigabitEthernetSFPPorts........................................17
10-GigabitEthernetSFP+Ports....................................18
Alarm Contact Port on the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Clocking Ports on the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Chapter 3 Cooling System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . 23
Cooling System and Airflow in an ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . . 23
Chapter 4 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 25
ACX2200PowerOverview............................................25
iiiCopyright © 2017, Juniper Networks, Inc.

Part 2 Site Planning, Preparation, and Specifications
Chapter 5 Planning and Preparing the Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Site Preparation Checklist for ACX2200 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . 29
GeneralSiteGuidelines..............................................30
SiteElectricalWiringGuidelines........................................31
Chapter6 ClearanceRequirements...........................................33
Clearance Requirements for Airflow and Hardware Maintenance on ACX2200
Routers .......................................................33
Chapter7 Mounting Requirements ...........................................35
Cabinet Requirements for ACX2200 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Rack Requirements for ACX2200 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Chapter8 Physical Specifications............................................39
Chassis Physical Specifications for ACX2200 Routers . . . . . . . . . . . . . . . . . . . . . . 39
Chapter9 EnvironmentalSpecifications.......................................41
ACX2200 Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Chapter10 PowerSpecifications..............................................43
ACX2200ACPowerSpecifications.....................................43
ACX2200 AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
ACX2200DCPowerSpecifications.....................................45
ACX2200 Router Grounding Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
GroundingPointsSpecifications...................................46
Grounding Cable Lug Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
GroundingCableSpecifications....................................48
Chapter 11 Network Cable and Transceiver Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Determining Transceiver Support and Specifications . . . . . . . . . . . . . . . . . . . . . . 49
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . . . . . . 50
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 50
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 50
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion . . . . 52
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 52
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 52
Chapter 12 Alarm, Management, and Clocking Cable Specifications and Pinouts . . . . 55
Management Port Connector Pinout Information for ACX Series Routers . . . . . . 55
Console/Auxiliary Port Connector Pinout on ACX Series Routers . . . . . . . . . . . . . 56
USB Port Specifications for an ACX Series Router . . . . . . . . . . . . . . . . . . . . . . . . . 56
AlarmContactConnectorPinouts......................................57
Clocking Port Specifications on the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . 58
External Clocking Port Connector Specifications . . . . . . . . . . . . . . . . . . . . . . 59
External Clocking Input Port Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Part 3 Initial Installation and Configuration
Chapter13 InstallationOverview..............................................63
Installing and Connecting an ACX2200 Router Overview . . . . . . . . . . . . . . . . . . . 63
Copyright © 2017, Juniper Networks, Inc.iv
ACX2200 Universal Access Router Hardware Guide

Chapter14 UnpackingtheRouter.............................................65
UnpackinganACX2200Router.......................................65
Parts Inventory (Packing List) for an ACX2200 Router . . . . . . . . . . . . . . . . . . . . . 66
Chapter15 InstallingtheRouter...............................................69
Installing the ACX2200 Mounting Brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Installing the ACX2200 Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Chapter 16 Connecting the Router to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Connecting the ACX2200 Router to Earth Ground . . . . . . . . . . . . . . . . . . . . . . . . . 73
Chapter 17 Connecting the Router to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Connecting AC Power Cords to the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . 75
Connecting DC Power Cables to the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . 76
Chapter 18 Connecting the Router to External Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Connecting ACX2200 Routers to Management Devices . . . . . . . . . . . . . . . . . . . . 79
Connecting the Router to a Network for Out-of-Band Management . . . . . . . 79
Connecting the Router to a Management Console or Auxiliary Device . . . . . 80
Connecting ACX2200 Routers to an External Alarm-Reporting Device . . . . . . . . . 81
Connecting ACX2200 Routers to External Clocking Devices . . . . . . . . . . . . . . . . . 82
Connecting 1-PPS and 10-MHz Timing Devices to the Router . . . . . . . . . . . . 82
Connecting a T1 or E1 External Clocking Device to the Router . . . . . . . . . . . . 82
Chapter19 ConfiguringJunosOS..............................................85
Initially Configuring the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Part 4 Maintaining and Replacing Components
Chapter 20 Routine Maintenance Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Routine Maintenance Procedures for the ACX2200 Router . . . . . . . . . . . . . . . . . . 91
Maintaining Cables That Connect to ACX2200 Network Ports . . . . . . . . . . . . . . . 91
Maintaining the ACX2200 Uplink Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Chapter 21 Replacing Chassis Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Replacing ACX2200 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Replacing an ACX2200 Console or Auxiliary Cable . . . . . . . . . . . . . . . . . . . . . 95
Removing an ACX2200 Console or Auxiliary Cable . . . . . . . . . . . . . . . . . 95
Installing an ACX2200 Console or Auxiliary Cable . . . . . . . . . . . . . . . . . . 96
Replacing an ACX2200 Management Ethernet Cable . . . . . . . . . . . . . . . . . . 96
Removing an ACX2200 Management Ethernet Cable . . . . . . . . . . . . . . 96
Installing an ACX2200 Management Ethernet Cable . . . . . . . . . . . . . . . 96
Replacing an ACX2200 Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Disconnecting an ACX2200 Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . 97
Connecting an ACX2200 Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 97
ReplacinganACX2200Transceiver.................................99
Removing an ACX2200 Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Installing an ACX2200 Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
vCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Part 5 Troubleshooting Hardware
Chapter 22 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Troubleshooting Resources for ACX2200 Routers . . . . . . . . . . . . . . . . . . . . . . . . 105
Command-LineInterface........................................105
FrontPanelLEDs...............................................105
MonitoringSystemLogMessages.....................................106
VerifyingActiveAlarms.............................................106
Understanding Alarm Types and Severity Classes on ACX Series Routers . . . . . 107
AlarmTypes...................................................107
AlarmSeverityClasses..........................................108
Part 6 Contacting Customer Support and Returning the Chassis or
Components
Chapter23 ContactingCustomerSupport......................................111
ContactingCustomerSupport.........................................111
Chapter 24 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Displaying ACX2200 Components and Serial Numbers . . . . . . . . . . . . . . . . . . . . 113
ACX2200 Chassis Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Chapter 25 Packing and Returning Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . . 115
Packing the ACX Series Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Guidelines for Packing Hardware Components for Shipment . . . . . . . . . . . . . . . . 117
Part 7 Safety and Compliance Information
Chapter 26 General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
General Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Definitions of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
QualifiedPersonnelWarning.........................................124
Warning Statement for Norway and Sweden . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Chapter27 FireSafetyRequirements..........................................127
FireSafetyRequirements............................................127
Chapter 28 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 129
InstallationInstructionsWarning......................................129
ChassisLiftingGuidelines...........................................130
RestrictedAccessWarning...........................................130
Ramp Warning ....................................................132
Rack-Mounting and Cabinet-Mounting Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 132
GroundedEquipmentWarning.......................................136
Chapter 29 Radiation and Laser Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . 139
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Laser and LED Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . 140
GeneralLaserSafetyGuidelines...................................140
Class1LaserProductWarning.....................................141
Class1LEDProductWarning......................................141
Copyright © 2017, Juniper Networks, Inc.vi
ACX2200 Universal Access Router Hardware Guide

LaserBeamWarning............................................141
Chapter 30 Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . 143
Maintenance and Operational Safety Guidelines and Warnings . . . . . . . . . . . . . 143
BatteryHandlingWarning........................................143
JewelryRemovalWarning........................................144
LightningActivityWarning........................................145
OperatingTemperatureWarning..................................146
ProductDisposalWarning........................................147
Chapter 31 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . 149
Action to Take After an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Prevention of Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
ACPowerDisconnectionWarning.....................................153
ACX2200 DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . 154
DC Power Copper Conductors Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
DCPowerDisconnectionWarning.....................................156
DC Power Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . . 157
DCPowerWiringSequenceWarning...................................158
DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
MidplaneEnergyHazardWarning......................................161
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . 161
TNPowerWarning.................................................162
Chapter 32 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . . 163
Agency Approvals for ACX2200 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Compliance Statements for NEBS for ACX2200 Routers . . . . . . . . . . . . . . . . . . 164
Compliance Statements for EMC Requirements for ACX2200 Routers . . . . . . . 165
Canada.......................................................165
EuropeanCommunity...........................................165
Israel.........................................................165
Japan ........................................................165
UnitedStates..................................................166
Compliance Statements for Environmental Requirements . . . . . . . . . . . . . . . . . 166
Compliance Statements for Acoustic Noise for ACX2200 Routers . . . . . . . . . . . 166
viiCopyright © 2017, Juniper Networks, Inc.
Table of Contents

Copyright © 2017, Juniper Networks, Inc.viii
ACX2200 Universal Access Router Hardware Guide

List of Figures
Part 1 Overview
Chapter1 SystemOverview...................................................3
Figure 1: Front Panel of the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 2: Rear View of the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 3: ACX2200 Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 4: ACX Series Router Packet Forwarding and Data Flow . . . . . . . . . . . . . . . . 6
Figure 5: ACX Series Router Packet Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Figure 6: Front Panel of the AC-powered ACX2200 Router . . . . . . . . . . . . . . . . . . 14
Figure 7: Front Panel of the DC-powered ACX2200 Router . . . . . . . . . . . . . . . . . . 14
Figure 8: Sample Output Alarm-Reporting Device . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 9: Sample Input Alarm- Reporting Device . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Chapter 3 Cooling System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 10: Cooling System and Airflow in an ACX2200 Router . . . . . . . . . . . . . . . . 23
Part 2 Site Planning, Preparation, and Specifications
Chapter6 ClearanceRequirements...........................................33
Figure 11: ACX2200 Chassis Dimensions and Clearance Requirements . . . . . . . . . 33
Chapter10 PowerSpecifications..............................................43
Figure 12: Grounding Points on the ACX2200 Routers . . . . . . . . . . . . . . . . . . . . . . 46
Figure13:GroundingCableLug........................................48
Part 3 Initial Installation and Configuration
Chapter15 InstallingtheRouter...............................................69
Figure 14: Installing the Mounting Brackets to the Front of the ACX2200
Router ........................................................69
Figure 15: Installing the Mounting Brackets to the Rear of the ACX2200
Router ........................................................70
Figure 16: Installing the Front-Mounted Router in the Rack . . . . . . . . . . . . . . . . . . . 71
Chapter 16 Connecting the Router to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 17: Grounding Points on the ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . 74
Chapter 17 Connecting the Router to Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Figure 18: Connecting AC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 19: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Chapter 18 Connecting the Router to External Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
ixCopyright © 2017, Juniper Networks, Inc.

Figure20:EthernetCableConnector...................................79
Figure21:EthernetPort..............................................80
Figure 22: Routing Engine Console and Auxiliary Cable Connector . . . . . . . . . . . . 80
Figure 23: Auxiliary and Console Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Part 4 Maintaining and Replacing Components
Chapter 21 Replacing Chassis Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure24:EthernetCableConnectors...................................95
Figure 25: Ethernet Cable Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Figure 26: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
anACXSeriesRouter............................................98
Figure27:RemovingTransceivers.....................................100
Part 6 Contacting Customer Support and Returning the Chassis or
Components
Chapter 24 Locating Component Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Figure28:SerialNumberIDLabel......................................113
Figure 29: ACX2200 Chassis Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 114
Part 7 Safety and Compliance Information
Chapter 31 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 30: Placing a Component into an Antistatic Bag . . . . . . . . . . . . . . . . . . . . 152
Copyright © 2017, Juniper Networks, Inc.x
ACX2200 Universal Access Router Hardware Guide

List of Tables
AbouttheDocumentation.........................................xiii
Table1:NoticeIcons.................................................xiv
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Part 1 Overview
Chapter1 SystemOverview...................................................3
Table 3: CLI Equivalents of Terms Used in Documentation for ACX2200
Routers ........................................................5
Table 4: Protocols and Applications Supported by ACX2200 Routers . . . . . . . . . . 7
Chapter 2 Chassis Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table 5: System LED on the Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table6:EthernetPortLEDs...........................................15
Table7:SFPandSFP+LinkLEDs.......................................16
Table 8: Management and Console LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table9:RJ-45PortFeatures...........................................17
Table10:SFPPortFeatures...........................................17
Table11:SFP+PortFeatures..........................................18
Table 12: Alarm Relay Contact Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Chapter 4 Power System Components and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 13: Power Consumed by ACX2200 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Part 2 Site Planning, Preparation, and Specifications
Chapter 5 Planning and Preparing the Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table14:SitePreparationChecklist....................................29
Table 15: Site Electrical Wiring Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Chapter7 Mounting Requirements ...........................................35
Table 16: Cabinet Requirements and Specifications for the ACX2200 Router . . . 35
Table 17: Rack Requirements and Specifications for the Router . . . . . . . . . . . . . . . 37
Chapter8 Physical Specifications............................................39
Table 18: Physical Specifications of the ACX2200 Router Chassis . . . . . . . . . . . . 39
Chapter9 EnvironmentalSpecifications.......................................41
Table 19: Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Chapter10 PowerSpecifications..............................................43
Table 20: AC Power System Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . 43
Table 21: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
xiCopyright © 2017, Juniper Networks, Inc.

Table 22: DC Power Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Chapter 11 Network Cable and Transceiver Planning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Table 23: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . . 51
Chapter 12 Alarm, Management, and Clocking Cable Specifications and Pinouts . . . . 55
Table 24: Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . 55
Table 25: Connector Pinout for the Console/Auxiliary Port . . . . . . . . . . . . . . . . . . 56
Table 26: Alarm Contact Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Table 27: External Clocking Input Port Connector Pinouts . . . . . . . . . . . . . . . . . . . 59
Part 3 Initial Installation and Configuration
Chapter14 UnpackingtheRouter.............................................65
Table 28: Parts List for an ACX2200 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Part 5 Troubleshooting Hardware
Chapter 22 Troubleshooting Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Table29:AlarmOutputFields........................................106
Table30:AlarmTerms..............................................107
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About the Documentation
•Documentation and Release Notes on page xiii
•Supported Platforms on page xiii
•Documentation Conventions on page xiii
•Documentation Feedback on page xv
•Requesting Technical Support on page xvi
Documentation and Release Notes
To obtain the most current version of all Juniper Networks®technical documentation,
see the product documentation page on the Juniper Networks website at
http://www.juniper.net/techpubs/.
If the information in the latest release notes differs from the information in the
documentation, follow the product Release Notes.
Juniper Networks Books publishes books by Juniper Networks engineers and subject
matter experts. These books go beyond the technical documentation to explore the
nuances of network architecture, deployment, and administration. The current list can
be viewed at http://www.juniper.net/books.
Supported Platforms
For the features described in this document, the following platforms are supported:
•ACX2200
Documentation Conventions
Table 1 on page xiv defines notice icons used in this guide.
xiiiCopyright © 2017, Juniper Networks, Inc.

Table 1: Notice Icons
DescriptionMeaningIcon
Indicates important features or instructions.Informational note
Indicates a situation that might result in loss of data or hardware damage.Caution
Alerts you to the risk of personal injury or death.Warning
Alerts you to the risk of personal injury from a laser.Laser warning
Indicates helpful information.Tip
Alerts you to a recommended use or implementation.Best practice
Table 2 on page xiv defines the text and syntax conventions used in this guide.
Table 2: Text and Syntax Conventions
ExamplesDescriptionConvention
To enter configuration mode, type the
configure command:
user@host> configure
Represents text that you type.Bold text like this
user@host> show chassis alarms
No alarms currently active
Represents output that appears on the
terminal screen.
Fixed-width text like this
•A policy term is a named structure
that defines match conditions and
actions.
•Junos OS CLI User Guide
•RFC 1997, BGP Communities Attribute
•Introduces or emphasizes important
new terms.
•Identifies guide names.
•Identifies RFC and Internet draft titles.
Italic text like this
Configure the machine’s domain name:
[edit]
root@# set system domain-name
domain-name
Represents variables (options for which
you substitute a value) in commands or
configuration statements.
Italic text like this
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ACX2200 Universal Access Router Hardware Guide

Table 2: Text and Syntax Conventions (continued)
ExamplesDescriptionConvention
•To configure a stub area, include the
stub statement at the [edit protocols
ospf area area-id] hierarchy level.
•The console port is labeled CONSOLE.
Represents names of configuration
statements, commands, files, and
directories; configuration hierarchy levels;
or labels on routing platform
components.
Text like this
stub <default-metric metric>;Encloses optional keywords or variables.< > (angle brackets)
broadcast | multicast
(string1 |string2 |string3)
Indicates a choice between the mutually
exclusive keywords or variables on either
side of the symbol. The set of choices is
often enclosed in parentheses for clarity.
| (pipe symbol)
rsvp { # Required for dynamic MPLS onlyIndicates a comment specified on the
same line as the configuration statement
to which it applies.
# (pound sign)
community name members [
community-ids ]
Encloses a variable for which you can
substitute one or more values.
[ ] (square brackets)
[edit]
routing-options {
static {
route default {
nexthop address;
retain;
}
}
}
Identifies a level in the configuration
hierarchy.
Indention and braces ( { } )
Identifies a leaf statement at a
configuration hierarchy level.
; (semicolon)
GUI Conventions
•In the Logical Interfaces box, select
All Interfaces.
•To cancel the configuration, click
Cancel.
Represents graphical user interface (GUI)
items you click or select.
Bold text like this
In the configuration editor hierarchy,
select Protocols>Ospf.
Separates levels in a hierarchy of menu
selections.
>(bold right angle bracket)
Documentation Feedback
We encourage you to provide feedback, comments, and suggestions so that we can
improve the documentation. You can provide feedback by using either of the following
methods:
•Online feedback rating system—On any page of the Juniper Networks TechLibrary site
at http://www.juniper.net/techpubs/index.html, simply click the stars to rate the content,
and use the pop-up form to provide us with information about your experience.
Alternately, you can use the online feedback form at
http://www.juniper.net/techpubs/feedback/.
xvCopyright © 2017, Juniper Networks, Inc.
About the Documentation

•E-mail—Send your comments to [e-mail]. Include the document
or topic name, URL or page number, and software version (if applicable).
Requesting Technical Support
Technical product support is available through the Juniper Networks Technical Assistance
Center (JTAC). If you are a customer with an active J-Care or Partner Support Service
support contract, or are covered under warranty, and need post-sales technical support,
you can access our tools and resources online or open a case with JTAC.
•JTAC policies—For a complete understanding of our JTAC procedures and policies,
review the JTAC User Guide located at
http://www.juniper.net/us/en/local/pdf/resource-guides/7100059-en.pdf.
•Product warranties—For product warranty information, visit
http://www.juniper.net/support/warranty/.
•JTAC hours of operation—The JTAC centers have resources available 24 hours a day,
7 days a week, 365 days a year.
Self-Help Online Tools and Resources
For quick and easy problem resolution, Juniper Networks has designed an online
self-service portal called the Customer Support Center (CSC) that provides you with the
following features:
•Find CSC offerings: http://www.juniper.net/customers/support/
•Search for known bugs: https://prsearch.juniper.net/
•Find product documentation: http://www.juniper.net/documentation/
•Find solutions and answer questions using our Knowledge Base: http://kb.juniper.net/
•Download the latest versions of software and review release notes:
http://www.juniper.net/customers/csc/software/
•Search technical bulletins for relevant hardware and software notifications:
http://kb.juniper.net/InfoCenter/
•Join and participate in the Juniper Networks Community Forum:
http://www.juniper.net/company/communities/
•Open a case online in the CSC Case Management tool: http://www.juniper.net/cm/
To verify service entitlement by product serial number, use our Serial Number Entitlement
(SNE) Tool: https://entitlementsearch.juniper.net/entitlementsearch/
Opening a Case with JTAC
You can open a case with JTAC on the Web or by telephone.
•Use the Case Management tool in the CSC at http://www.juniper.net/cm/.
•Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).
Copyright © 2017, Juniper Networks, Inc.xvi
ACX2200 Universal Access Router Hardware Guide

For international or direct-dial options in countries without toll-free numbers, see
http://www.juniper.net/support/requesting-support.html.
xviiCopyright © 2017, Juniper Networks, Inc.
About the Documentation

Copyright © 2017, Juniper Networks, Inc.xviii
ACX2200 Universal Access Router Hardware Guide

PART 1
Overview
•System Overview on page 3
•Chassis Components and Descriptions on page 13
•Cooling System Components and Descriptions on page 23
•Power System Components and Descriptions on page 25
1Copyright © 2017, Juniper Networks, Inc.

Copyright © 2017, Juniper Networks, Inc.2
ACX2200 Universal Access Router Hardware Guide