Juniper ACX4000 Istruzioni per l'installazione

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

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.

Table of Contents

About This Guide | ix

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

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

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

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

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

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

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

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

Guidelines for Packing Hardware Components for Shipment | 159

Packing the ACX Series Router for Shipment | 160

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.

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