Juniper ACX2000 Installation instructions

ACX2000 and ACX2100 Universal Access
Router
Hardware Guide
Published: 2015-01-28
Copyright © 2015, Juniper Networks, Inc.

Juniper Networks, Inc.
1194 North Mathilda Avenue
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United
States and other countries. The Juniper Networks Logo, the Junos logo, and JunosE are trademarks of Juniper Networks, Inc. All other
trademarks, service marks, registered trademarks, or registered service marks are the 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.
ACX2000 Universal Access Router Hardware Guide
Copyright © 2015, Juniper Networks, Inc.
All rights reserved.
Revision History
December 2012—Added the ACX2100 router.
July 2012—Initial release.
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.html. By downloading, installing or using such software, you agree to the terms and conditions of
that EULA.
Copyright © 2015, Juniper Networks, Inc.ii

Table of Contents
AbouttheDocumentation.........................................xiii
Junos OS Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . xiii
DocumentationConventions......................................xiii
DocumentationFeedback.........................................xv
RequestingTechnicalSupport.....................................xvi
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
OpeningaCasewithJTAC.....................................xvi
Part 1 ACX2000 and ACX2100 Universal Access Router Overview
Chapter 1 ACX2000 and ACX2100 Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ACX2000 and ACX2100 Universal Access Router Overview . . . . . . . . . . . . . . . . . . 3
ACX2000RouterDescription.......................................4
ACX2100RouterDescription.......................................4
ACX2000 and ACX2100 Routers Hardware and CLI Terminology Mapping . . . . . . 5
ACX2000 Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . . . 5
ACX2100 Hardware and CLI Terminology Mapping . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 2 ACX2000 and ACX2100 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . 9
FrontPanelofanACX2000Router.....................................9
FrontPanelofanACX2100Router.....................................10
LEDs on ACX2000 and ACX2100 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SystemLEDontheFrontPanel.....................................12
T1/E1PortLEDs.................................................13
EthernetPortLEDs..............................................13
PoEPortLEDs..................................................14
SFPandSFP+PortLEDs..........................................14
Management and Console Port LEDs on the Front Panel . . . . . . . . . . . . . . . . 14
Uplink Ports on ACX2000 and ACX2100 Routers . . . . . . . . . . . . . . . . . . . . . . . . . . 15
T1/E1Ports.....................................................15
GigabitEthernetRJ-45Ports.......................................16
PoEPorts ......................................................17
GigabitEthernetSFPPorts........................................17
10-GigabitEthernetSFP+Ports....................................18
Cooling System and Airflow in an ACX2000 and ACX2100 Router . . . . . . . . . . . . 19
ACX2000 and ACX2100 Power Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
ACX2000 and ACX2100 Alarm Contact Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Clocking Ports on the ACX2000 and the ACX2100 Router . . . . . . . . . . . . . . . . . . 22
Chapter 3 ACX2000 and ACX2100 System Architecture Overview . . . . . . . . . . . . . . . . 25
PacketFlowonACXSeriesRouters.....................................25
iiiCopyright © 2015, Juniper Networks, Inc.

Part 2 Setting Up the ACX2000 and ACX2100 Router
Chapter 4 Preparing the Site for ACX2000 and ACX2100 Router Installation . . . . . . 29
Site Preparation Checklist for ACX2000 and ACX2100 Routers . . . . . . . . . . . . . . 29
Rack Requirements for ACX2000 and ACX2100 Routers . . . . . . . . . . . . . . . . . . . 30
Cabinet Requirements for ACX2000 and ACX2100 Routers . . . . . . . . . . . . . . . . . 31
Clearance Requirements for Airflow and Hardware Maintenance on ACX2000
andACX2100Routers............................................33
General Site Guidelines for ACX Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Chapter 5 ACX2000 and ACX2100 Router Installation Overview . . . . . . . . . . . . . . . . . 35
Installing and Connecting an ACX2000 or ACX2100 Router Overview . . . . . . . . . 35
Chapter 6 Unpacking an ACX2000 or ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Parts Inventory (Packing List) for an ACX2000 and ACX2100 Router . . . . . . . . . . 37
Unpacking an ACX2000 or ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Chapter 7 Installing the ACX2000 or ACX2100 Router Mounting Hardware . . . . . . . . 41
Installing the ACX2000 or ACX2100 Mounting Brackets . . . . . . . . . . . . . . . . . . . . 41
Chapter 8 Installing the ACX2000 or ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Installing the ACX2000 or ACX2100 Router in the Rack . . . . . . . . . . . . . . . . . . . . 43
Chapter 9 Grounding and Providing Power to the ACX2000 or ACX2100 Router . . . . 45
Connecting the ACX2000 or ACX2100 Router to Earth Ground . . . . . . . . . . . . . . 45
Connecting AC Power Cords to the ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . . 47
Connecting DC Power Cables to the ACX2000 or ACX2100 Router . . . . . . . . . . . 48
Chapter 10 Connecting the ACX2000 and ACX2100 Router to External Devices . . . . . 51
Connecting ACX2000 or ACX2100 Routers to Management Devices . . . . . . . . . . 51
Connecting the Router to a Network for Out-of-Band Management . . . . . . . 51
Connecting the Router to a Management Console or Auxiliary Device . . . . . . 52
Connecting ACX2000 or ACX2100 Routers to an External Alarm-Reporting
Device ........................................................53
Connecting ACX2000 or ACX2100 Routers to External Clocking Devices . . . . . . 54
Connecting 1-PPS and 10-MHz Timing Devices to the Router . . . . . . . . . . . . 54
Connecting a T1 or E1 External Clocking Device to the Router . . . . . . . . . . . . 54
Chapter11 ConfiguringJunosOS..............................................57
Initially Configuring the ACX2000 or ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . 57
Part 3 Hardware Maintenance, Troubleshooting, and Replacement
Procedures
Chapter 12 Maintaining ACX2000 and ACX2100 Router Hardware Components . . . . 63
Routine Maintenance Procedures for the ACX2000 and ACX2100 Router . . . . . . 63
Maintaining Cables That Connect to ACX2000 or ACX2100 Network Ports . . . . . 63
Maintaining the ACX2000 and ACX2100 Uplink Ports . . . . . . . . . . . . . . . . . . . . . 64
Copyright © 2015, Juniper Networks, Inc.iv
ACX2000 and ACX2100 Universal Access Router Hardware Guide

Chapter 13 Troubleshooting ACX2000 and ACX2100 Hardware Components . . . . . . . 67
Troubleshooting Resources for ACX2000 and ACX2100 Routers . . . . . . . . . . . . . 67
Command-LineInterface.........................................67
FrontPanelLEDs................................................67
Understanding Alarm Types and Severity Classes on ACX Series Routers . . . . . . 68
AlarmTypes...................................................68
AlarmSeverityClasses...........................................68
VerifyingActiveAlarms..............................................69
MonitoringSystemLogMessages......................................70
Chapter 14 Replacing ACX2000 and ACX2100 Hardware Components . . . . . . . . . . . . . 71
Replacing an ACX2000 or ACX2100 Console or Auxiliary Cable . . . . . . . . . . . . . . . 71
Removing an ACX2000 or ACX2100 Console or Auxiliary Cable . . . . . . . . . . . 71
Installing an ACX2000 or ACX2100 Console or Auxiliary Cable . . . . . . . . . . . 72
Replacing an ACX2000 or ACX2100 Management Ethernet Cable . . . . . . . . . . . . 72
Removing an ACX2000 or ACX2100 Management Ethernet Cable . . . . . . . . 72
Installing an ACX2000 and ACX2100 Management Ethernet Cable . . . . . . . 72
Replacing an ACX2000 or ACX2100 Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . 73
Disconnecting an ACX2000 or ACX2100 Fiber-Optic Cable . . . . . . . . . . . . . . 73
Connecting an ACX2000 or ACX2100 Fiber-Optic Cable . . . . . . . . . . . . . . . . 73
Replacing an ACX2000 or ACX2100 Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Removing an ACX2000 or ACX2100 Transceiver . . . . . . . . . . . . . . . . . . . . . . 75
Installing an ACX2000 or ACX2100 Transceiver . . . . . . . . . . . . . . . . . . . . . . . 76
Part 4 Appendixes
Appendix A Safety and Regulatory Compliance Information for the ACX2000 and
ACX2100Router...................................................81
DefinitionofSafetyWarningLevels.....................................81
SafetyGuidelinesandWarnings.......................................83
General Safety Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . . . 83
General Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . 84
QualifiedPersonnelWarning..................................84
RestrictedAccessAreaWarning................................85
Preventing Electrostatic Discharge Damage to an ACX2000 or ACX2100
Router ....................................................86
Fire Safety Requirements for Juniper Networks Devices . . . . . . . . . . . . . . . . . 87
General Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
FireSuppression............................................88
FireSuppressionEquipment...................................88
Installation Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . 88
Intra-BuildingPortsWarning...................................89
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Rack-Mounting Requirements and Warnings . . . . . . . . . . . . . . . . . . . . . 89
RampWarning..............................................93
ACX2000 or ACX2100 Router Chassis Lifting Guidelines . . . . . . . . . . . . . . . . 93
General Laser Safety Guidelines for Juniper Networks Devices . . . . . . . . . . . 94
vCopyright © 2015, Juniper Networks, Inc.
Table of Contents

Laser Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . 94
Class1LaserProductWarning.................................95
Class1LEDProductWarning..................................95
LaserBeamWarning.........................................96
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . 96
Maintenance and Operational Safety Warnings for Juniper Networks
Devices....................................................97
BatteryHandlingWarning.....................................97
JewelryRemovalWarning.....................................98
LightningActivityWarning....................................100
OperatingTemperatureWarning...............................100
ProductDisposalWarning....................................101
General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . 102
General Electrical Safety Warnings for Juniper Networks Devices . . . . . 102
General Electrical Safety Guidelines and Electrical Codes for Juniper
NetworksDevices.......................................106
In Case of an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
ACX2100 AC Power Electrical Safety Guidelines and Warnings . . . . . . . 107
ACX2000 and ACX2100 DC Power Electrical Safety Guidelines . . . . . . 108
DC Power Electrical Safety Warnings for Juniper Networks Devices . . . 109
Site Electrical Wiring Guidelines for Juniper Networks Devices . . . . . . . . 112
Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Agency Approvals for ACX2000 and ACX2100 Routers . . . . . . . . . . . . . . . . . 113
Compliance Statements for NEBS for ACX2000 and ACX2100 Routers . . . . 115
Compliance Statements for EMC Requirements for ACX2000 and ACX2100
Routers....................................................115
Canada ...................................................115
EuropeanCommunity........................................115
Israel .....................................................116
Japan .....................................................116
UnitedStates...............................................116
Compliance Statements for Environmental Requirements for Juniper
NetworksDevices...........................................116
Compliance Statements for Acoustic Noise for ACX2000 and ACX2100
Routers....................................................117
Appendix B ACX2000 and ACX2100 Router Physical Specifications . . . . . . . . . . . . . . . 119
Chassis Physical Specifications for ACX2000 and ACX2100 Routers . . . . . . . . . 119
Appendix C ACX2000 and ACX2100 Router Environmental Specifications . . . . . . . . . 121
ACX2000 and ACX2100 Router Environmental Specifications . . . . . . . . . . . . . . . 121
Appendix D Power Guidelines, Requirements, and Specifications for the ACX2000
andACX2100Router..............................................123
ACX2000 and ACX2100 Router Grounding Specifications . . . . . . . . . . . . . . . . . . 123
GroundingPointsSpecifications...................................123
Grounding Cable Lug Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
GroundingCableSpecifications...................................125
ACX2100ACPowerSpecifications....................................125
ACX2100 AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Copyright © 2015, Juniper Networks, Inc.vi
ACX2000 and ACX2100 Universal Access Router Hardware Guide

ACX2000 and ACX2100 DC Power Specifications . . . . . . . . . . . . . . . . . . . . . . . . 127
Appendix E Cable and Wire Guidelines and Specifications for the ACX2000 and
ACX2100 Router .................................................129
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion . . . . 129
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . . . . . 129
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . 130
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . . . . . 130
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . 131
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . 131
Appendix F ACX2000 and ACX2100 Cable Connector Pinouts . . . . . . . . . . . . . . . . . . . . 133
Management Port Connector Pinout Information for ACX Series Routers . . . . . . 133
Console/Auxiliary Port Connector Pinout on ACX Series Routers . . . . . . . . . . . . . 134
USB Port Specifications for an ACX Series Router . . . . . . . . . . . . . . . . . . . . . . . . 134
Alarm Contact Port Pinouts on the ACX2000 and ACX2100 Router . . . . . . . . . . 135
Clocking Ports Specifications on the ACX2000 and the ACX2100 Router . . . . . . 137
External Clocking Port Connector Specifications . . . . . . . . . . . . . . . . . . . . . . 137
External Clocking Input Port Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Appendix G Contacting Customer Support and Returning ACX2000 and ACX2100
Hardware .......................................................139
Displaying ACX2000 and ACX2100 Components and Serial Numbers . . . . . . . . 139
ACX2000 and ACX2100 Chassis Serial Number Label . . . . . . . . . . . . . . . . . . . . 140
ContactingCustomerSupport........................................140
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . . 141
Packing the ACX Series Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Guidelines for Packing Router Components for Shipment . . . . . . . . . . . . . . . . . . 143
Part 5 Index
Index ............................................................147
viiCopyright © 2015, Juniper Networks, Inc.
Table of Contents

Copyright © 2015, Juniper Networks, Inc.viii
ACX2000 and ACX2100 Universal Access Router Hardware Guide

List of Figures
Part 1 ACX2000 and ACX2100 Universal Access Router Overview
Chapter 1 ACX2000 and ACX2100 Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Figure 1: Front View of the ACX2000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 2: Rear View of the ACX2000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Figure 3: Front View of the ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 4: Rear View of the ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 5: ACX2000 Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 6: ACX2100 Interface Port Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 2 ACX2000 and ACX2100 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 7: Front Panel of the ACX2000 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 8: Front Panel of the AC-Powered ACX2100 Router . . . . . . . . . . . . . . . . . . . 11
Figure 9: Front Panel of the DC-Powered ACX2100 Router . . . . . . . . . . . . . . . . . . . 12
Figure 10: Cooling System and Airflow in an ACX2000 and ACX2100 Router . . . . 19
Figure 11: Sample Output Alarm-Reporting Device . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 12: Sample Input Alarm-Reporting Device . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Chapter 3 ACX2000 and ACX2100 System Architecture Overview . . . . . . . . . . . . . . . . 25
Figure 13: ACX Series Router Packet Forwarding and Data Flow . . . . . . . . . . . . . . 25
Figure 14: ACX Series Router Packet Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Part 2 Setting Up the ACX2000 and ACX2100 Router
Chapter 4 Preparing the Site for ACX2000 and ACX2100 Router Installation . . . . . . 29
Figure 15: ACX2000 and ACX2100 Chassis Dimensions and Clearance
Requirements ..................................................33
Chapter 7 Installing the ACX2000 or ACX2100 Router Mounting Hardware . . . . . . . . 41
Figure 16: Installing the Mounting Brackets to the Front of the ACX2000 or
ACX2100 Router ................................................41
Figure 17: Installing the Mounting Brackets to the Rear of the ACX2000 or
ACX2100Router................................................42
Chapter 8 Installing the ACX2000 or ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 18: Installing the Front-Mounted Router in the Rack . . . . . . . . . . . . . . . . . . 44
Chapter 9 Grounding and Providing Power to the ACX2000 or ACX2100 Router . . . . 45
Figure 19: Grounding Points on the ACX2000 and ACX2100 Router . . . . . . . . . . . 46
Figure 20: Connecting AC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 21: Connecting DC Power to the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Chapter 10 Connecting the ACX2000 and ACX2100 Router to External Devices . . . . . 51
ixCopyright © 2015, Juniper Networks, Inc.

Figure22:EthernetCableConnector....................................51
Figure23:EthernetPort..............................................52
Figure 24: Routing Engine Console and Auxiliary Cable Connector . . . . . . . . . . . . 52
Figure 25: Auxiliary and Console Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Part 3 Hardware Maintenance, Troubleshooting, and Replacement
Procedures
Chapter 14 Replacing ACX2000 and ACX2100 Hardware Components . . . . . . . . . . . . . 71
Figure26:EthernetCableConnectors...................................71
Figure27:EthernetCableConnectors...................................72
Figure 28: Connecting a Fiber-Optic Cable to an Optical Transceiver Installed in
anACXSeriesRouter............................................74
Figure29:RemovingTransceivers......................................76
Part 4 Appendixes
Appendix A Safety and Regulatory Compliance Information for the ACX2000 and
ACX2100Router...................................................81
Figure 30: ESD Point on ACX2000 and ACX2100 Routers . . . . . . . . . . . . . . . . . . . 87
Figure 31: Placing a Component into an Electrostatic Bag . . . . . . . . . . . . . . . . . . . 87
Appendix D Power Guidelines, Requirements, and Specifications for the ACX2000
andACX2100Router..............................................123
Figure 32: Grounding Points on the ACX2000 and ACX2100 Router . . . . . . . . . . 124
Figure33:GroundingCableLug.......................................124
Appendix G Contacting Customer Support and Returning ACX2000 and ACX2100
Hardware .......................................................139
Figure34:SerialNumberIDLabel.....................................140
Figure 35: ACX2000 and ACX2100 Chassis Serial Number Label . . . . . . . . . . . . 140
Copyright © 2015, Juniper Networks, Inc.x
ACX2000 and ACX2100 Universal Access Router Hardware Guide

List of Tables
AbouttheDocumentation.........................................xiii
Table1:NoticeIcons.................................................xiv
Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv
Part 1 ACX2000 and ACX2100 Universal Access Router Overview
Chapter 1 ACX2000 and ACX2100 Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Table 3: CLI Equivalents of Terms Used in Documentation for ACX2000
Routers ........................................................5
Table 4: CLI Equivalents of Terms Used in Documentation for ACX2100
Routers.........................................................7
Chapter 2 ACX2000 and ACX2100 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . 9
Table 5: System LED on the Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Table6:T1/E1PortLEDs..............................................13
Table7:EthernetPortLEDs...........................................13
Table8:PoEPortLEDs...............................................14
Table9:SFPandSFP+LinkLEDs......................................14
Table 10: Management and Console LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Table11:T1/E1PortFeatures...........................................15
Table12:RJ-45PortFeatures..........................................16
Table13:PoEPortFeatures............................................17
Table 14: Gigabit Ethernet SFP Port Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 15: Gigabit Ethernet SFP Port Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 16: Power Consumed by ACX2000 and ACX2100 Routers . . . . . . . . . . . . . 20
Table 17: Alarm Relay Contact Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Part 2 Setting Up the ACX2000 and ACX2100 Router
Chapter 4 Preparing the Site for ACX2000 and ACX2100 Router Installation . . . . . . 29
Table18:SitePreparationChecklist....................................29
Table 19: Rack Requirements and Specifications for the Router . . . . . . . . . . . . . . . 31
Table 20: Cabinet Requirements and Specifications for the ACX2000 and
ACX2100Router ................................................32
Chapter 6 Unpacking an ACX2000 or ACX2100 Router . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 21: Parts List for an ACX2000 and ACX2100 Router . . . . . . . . . . . . . . . . . . . 37
Part 3 Hardware Maintenance, Troubleshooting, and Replacement
Procedures
Chapter 13 Troubleshooting ACX2000 and ACX2100 Hardware Components . . . . . . . 67
xiCopyright © 2015, Juniper Networks, Inc.

Table22:AlarmTerms...............................................68
Table23:AlarmOutputFields.........................................69
Part 4 Appendixes
Appendix B ACX2000 and ACX2100 Router Physical Specifications . . . . . . . . . . . . . . . 119
Table 24: Physical Specifications of the ACX2000 and ACX2100 Router
Chassis .......................................................119
Appendix C ACX2000 and ACX2100 Router Environmental Specifications . . . . . . . . . 121
Table 25: Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Appendix D Power Guidelines, Requirements, and Specifications for the ACX2000
andACX2100Router..............................................123
Table 26: AC Power System Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . 125
Table 27: AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Table 28: DC Power Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Appendix E Cable and Wire Guidelines and Specifications for the ACX2000 and
ACX2100 Router .................................................129
Table 29: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . . 131
Appendix F ACX2000 and ACX2100 Cable Connector Pinouts . . . . . . . . . . . . . . . . . . . . 133
Table 30: Management Port Connector Pinout Information . . . . . . . . . . . . . . . . . 133
Table 31: Connector Pinout for the Console/Auxiliary Port . . . . . . . . . . . . . . . . . . 134
Table 32: Alarm Contact Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Table 33: External Clocking Input Port Connector Pinouts . . . . . . . . . . . . . . . . . . 137
Copyright © 2015, Juniper Networks, Inc.xii
ACX2000 and ACX2100 Universal Access Router Hardware Guide

About the Documentation
•Junos OS Documentation and Release Notes on page xiii
•Documentation Conventions on page xiii
•Documentation Feedback on page xv
•Requesting Technical Support on page xvi
Junos OS Documentation and Release Notes
For a list of related Junos OS documentation, see http://www.juniper.net/techpubs/.
If the information in the latest release notes differs from the information in the
documentation, follow the Junos OS 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/.
Documentation Conventions
Table 1 on page xiv defines the notice icons used in this guide.
xiiiCopyright © 2015, 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
Copyright © 2015, Juniper Networks, Inc.xiv
ACX2000 and ACX2100 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 at the Juniper Networks Technical
Documentation 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
https://www.juniper.net/cgi-bin/docbugreport/.
xvCopyright © 2015, 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 JNASC 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: http://www2.juniper.net/kb/
•Find product documentation: http://www.juniper.net/techpubs/
•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://tools.juniper.net/SerialNumberEntitlementSearch/
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 © 2015, Juniper Networks, Inc.xvi
ACX2000 and ACX2100 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 © 2015, Juniper Networks, Inc.
About the Documentation

Copyright © 2015, Juniper Networks, Inc.xviii
ACX2000 and ACX2100 Universal Access Router Hardware Guide

PART 1
ACX2000 and ACX2100 Universal Access
Router Overview
•ACX2000 and ACX2100 Router Description on page 3
•ACX2000 and ACX2100 Hardware Components on page 9
•ACX2000 and ACX2100 System Architecture Overview on page 25
1Copyright © 2015, Juniper Networks, Inc.

Copyright © 2015, Juniper Networks, Inc.2
ACX2000 and ACX2100 Universal Access Router Hardware Guide