Juniper ACX4000 Installation instructions

ACX4000 Universal Metro Router
Hardware Guide
Published
2022-01-27

Juniper Networks, Inc.
1133 Innovaon Way
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
Juniper Networks, the Juniper Networks logo, Juniper, and Junos are registered trademarks of Juniper Networks, Inc.
in the United States and other countries. All other trademarks, service marks, registered marks, or registered service
marks are the property of their respecve 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 publicaon without noce.
ACX4000 Universal Metro Router Hardware Guide
Copyright © 2022 Juniper Networks, Inc. All rights reserved.
The informaon in this document is current as of the date on the tle page.
YEAR 2000 NOTICE
Juniper Networks hardware and soware products are Year 2000 compliant. Junos OS has no known me-related
limitaons through the year 2038. However, the NTP applicaon is known to have some diculty in the year 2036.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentaon consists of (or is intended for use
with) Juniper Networks soware. Use of such soware is subject to the terms and condions of the End User License
Agreement ("EULA") posted at hps://support.juniper.net/support/eula/. By downloading, installing or using such
soware, you agree to the terms and condions of that EULA.
ii

Table of Contents
About This Guide | ix
1
Overview
ACX4000 System Overview | 2
ACX4000 Universal Metro Router Overview | 2
ACX4000 Routers Hardware and CLI Terminology Mapping | 4
Packet Flow on ACX Series Routers | 7
Protocols and Applicaons Supported by ACX Series Routers | 8
ACX4000 Chassis | 42
ACX4000 Front Panel Overview | 42
ACX4000 Uplink Ports Overview | 44
ACX4000 Alarm Contact Port Overview | 48
ACX4000 Clocking Ports Overview | 50
ACX4000 Modular Interface Card (MIC) Overview | 51
ACX4000 LEDs Overview | 52
ACX4000 Cooling System | 56
ACX4000 Power System | 58
ACX4000 Power Overview | 58
ACX4000 Power Consumpon | 60
ACX4000 AC Power Specicaons | 61
ACX4000 AC Power Cord Specicaons | 62
ACX4000 DC Power Specicaons | 64
ACX4000 DC Power Cable and Lug Specicaons | 65
ACX4000 Router Grounding Specicaons | 67
iii

2
Site Planning, Preparaon, and Specicaons
Site Preparaon Checklist for ACX4000 Routers | 71
ACX4000 Site Guidelines and Requirements | 72
General Site Guidelines | 72
Site Electrical Wiring Guidelines | 73
Clearance Requirements for Airow and Hardware Maintenance on ACX4000 Routers | 74
Chassis Physical Specicaons for ACX4000 Routers | 75
ACX4000 Router Environmental Specicaons | 76
Cabinet Requirements for ACX4000 Routers | 78
Rack Requirements for ACX4000 Routers | 80
ACX4000 Network Cable and Transceiver Planning | 82
Determining Transceiver Support and Specicaons | 82
Calculang Power Budget and Power Margin for Fiber-Opc Cables | 83
How to Calculate Power Budget for Fiber-Opc Cables | 83
How to Calculate Power Margin for Fiber-Opc Cables | 84
Fiber-Opc Cable Signal Loss, Aenuaon, and Dispersion | 85
ACX4000 Alarm, Management, and Clocking Cable Specicaons and Pinouts | 87
Alarm Contact Port Pinouts for ACX4000 Routers | 87
Management Port Connector Pinout Informaon for ACX Series Routers | 89
Console or Auxiliary Port Connector Pinout on ACX Series Routers | 90
USB Port Specicaons for an ACX Series Router | 91
3
Inial Installaon and Conguraon
Installing and Connecng an ACX4000 Router Overview | 94
Unpacking and Mounng the ACX4000 Router | 95
Unpacking an ACX4000 Router | 95
Parts Inventory (Packing List) for an ACX4000 Router | 96
Installing the ACX4000 Mounng Brackets | 97
iv

Installing the ACX4000 Router in the Rack | 98
Connecng the ACX4000 to Power | 101
Connecng the ACX4000 Router to Earth Ground | 101
Connecng AC Power Cords to the ACX4000 Router | 102
Connecng DC Power Cables to the ACX4000 Router | 104
Connecng the ACX4000 to External Devices | 106
Connecng the ACX4000 Router to Management Devices | 107
Connecng the Router to a Network for Out-of-Band Management | 107
Connecng the Router to a Management Console or Auxiliary Device | 108
Connecng the ACX4000 Router to External Clocking Devices | 110
Connecng 1PPS and 10MHz Timing Devices to the ACX4000 Router | 110
Connecng a T1 or E1 External Clocking Device to the ACX4000 Router | 110
Connecng the ACX4000 Router to an External Alarm-Reporng Device | 111
Inially Conguring the ACX4000 Router | 112
4
Maintaining components
Maintaining ACX4000 Components | 118
Roune Maintenance Procedures for the ACX4000 Router | 118
Maintaining Cables That Connect to ACX4000 Network Ports | 119
Maintaining the ACX4000 Uplink Ports | 121
Replacing an ACX4000 MIC | 122
Removing an ACX4000 MIC | 122
Installing an ACX4000 MIC | 124
Replacing an ACX4000 Transceiver | 126
Removing an ACX4000 Transceiver | 126
Installing an ACX4000 Transceiver | 127
Replacing an ACX4000 Fiber-Opc Cable | 128
Disconnecng an ACX4000 Fiber-Opc Cable | 129
Connecng an ACX2000 Fiber-Opc Cable | 130
v

Replacing an ACX4000 Management Ethernet Cable | 131
Removing an ACX4000 Management Ethernet Cable | 131
Installing an ACX4000 Management Ethernet Cable | 132
Replacing an ACX4000 Console or Auxiliary Cable | 132
Removing an ACX4000 Console or Auxiliary Cable | 132
Installing an ACX4000 Console or Auxiliary Cable | 133
Replacing an ACX4000 Air Filter | 134
Removing an ACX4000 Air Filter | 134
Installing an ACX4000 Air Filter | 135
Replacing an ACX4000 Fan Tray | 137
Removing an ACX4000 Fan Tray | 137
Installing an ACX4000 Fan Tray | 138
Replacing an ACX4000 AC Power Supply | 139
Removing an ACX4000 AC Power Supply | 140
Installing an ACX4000 AC Power Supply | 142
Replacing an ACX4000 DC Power Supply | 143
Removing an ACX4000 DC Power Supply | 143
Installing an ACX4000 DC Power Supply | 146
5
Troubleshoong Hardware
Troubleshoong the ACX4000 Router | 151
Troubleshoong Resources for ACX4000 Routers | 151
Monitoring System Log Messages | 152
Alarm Types and Severity Classes on ACX Series Routers | 153
Verifying Acve Alarms | 154
6
Contacng Customer Support
Contacng Customer Support and Returning the Chassis or Components | 157
Displaying ACX4000 Components and Serial Numbers | 157
ACX4000 Chassis Serial Number Label | 158
How to Return a Hardware Component to Juniper Networks, Inc. | 159
vi

Guidelines for Packing Hardware Components for Shipment | 159
Packing the ACX Series Router for Shipment | 160
7
Safety and Compliance Informaon
General Safety Guidelines and Warnings | 163
Denions of Safety Warning Levels | 164
Qualied Personnel Warning | 166
Warning Statement for Norway and Sweden | 166
Fire Safety Requirements | 167
Installaon Instrucons Warning | 168
Chassis and Component Liing Guidelines | 169
Restricted Access Warning | 169
Ramp Warning | 171
Rack-Mounng and Cabinet-Mounng Warnings | 171
Grounded Equipment Warning | 175
Radiaon from Open Port Apertures Warning | 176
Laser and LED Safety Guidelines and Warnings | 177
Maintenance and Operaonal Safety Guidelines and Warnings | 180
General Electrical Safety Guidelines and Warnings | 186
Acon to Take Aer an Electrical Accident | 187
Prevenon of Electrostac Discharge Damage | 188
AC Power Electrical Safety Guidelines | 189
AC Power Disconnecon Warning | 190
ACX4000 DC Power Electrical Safety Guidelines | 191
DC Power Copper Conductors Warning | 193
DC Power Disconnecon Warning | 193
vii

DC Power Grounding Requirements and Warning | 195
DC Power Wiring Sequence Warning | 195
DC Power Wiring Terminaons Warning | 197
Midplane Energy Hazard Warning | 198
Mulple Power Supplies Disconnecon Warning | 199
TN Power Warning | 199
Agency Approvals for ACX4000 Routers | 200
Compliance Statements for NEBS | 202
Compliance Statements for EMC Requirements | 203
Compliance Statements for Environmental Requirements | 204
Compliance Statements for Acousc Noise for ACX4000 Routers | 205
viii

About This Guide
Use this guide to install hardware and perform inial soware conguraon, roune maintenance, and
troubleshoong for the ACX4000 Universal Metro router. Aer compleng the installaon and basic
conguraon procedures covered in this guide, refer to the Junos OS documentaon for informaon
about further soware conguraon.
RELATED DOCUMENTATION
ACX4000 Router Quick Start
Junos OS for ACX Series Universal Metro Routers
ACX4000 Interface Module Reference
ix

1
CHAPTER
Overview
ACX4000 System Overview | 2
ACX4000 Chassis | 42
ACX4000 Cooling System | 56
ACX4000 Power System | 58