Juniper ACX2000 Istruzioni per l'installazione

ACX2000 and ACX2100 Universal Metro

Router Hardware Guide

Published

2020-09-07

Juniper Networks, Inc.

1133 Innovation 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 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 and ACX2100 Universal Metro Router Hardware Guide

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 https://support.juniper.net/support/eula/. By downloading, installing or using such software, you

agree to the terms and conditions of that EULA.

Table of Contents

About the Documentation | ix

Documentation and Release Notes | ix

Using the Examples in This Manual | ix

Merging a Full Example | x

Merging a Snippet | xi

Documentation Conventions | xi

Documentation Feedback | xiv

Requesting Technical Support | xiv

Self-Help Online Tools and Resources | xv

Creating a Service Request with JTAC | xv

Overview

ACX2000 and ACX2100 System Overview | 17

ACX2000 and ACX2100 Universal Metro Router Overview | 17

Benefits of the ACX2000 and ACX2100 Routers | 18

ACX2000 Router Description | 18

ACX2100 Router Description | 19

ACX2000 and ACX2100 Routers Hardware and CLI Terminology Mapping | 20

ACX2000 Hardware and CLI Terminology Mapping | 20

ACX2100 Hardware and CLI Terminology Mapping | 22

Packet Flow on ACX Series Routers | 24

Protocols and Applications Supported by ACX Series Routers | 26

ACX2000 Chassis Components | 47

Front Panel of an ACX2000 Router | 47

Front Panel of an ACX2100 Router | 48

Uplink Ports on ACX2000 and ACX2100 Routers | 50

T1/E1 Ports | 51

Gigabit Ethernet RJ-45 Ports | 52

PoE Ports | 52

Gigabit Ethernet SFP Ports | 53

iii

10-Gigabit Ethernet SFP+ Ports | 54

ACX2000 and ACX2100 Alarm Contact Port | 54

Clocking Ports on the ACX2000 and the ACX2100 Router | 56

LEDs on ACX2000 and ACX2100 Routers | 57

System LED on the Front Panel | 57

T1/E1 Port LEDs | 58

Ethernet Port LEDs | 58

PoE Port LEDs | 59

SFP and SFP+ Port LEDs | 59

Management and Console Port LEDs on the Front Panel | 60

Cooling System and Airflow in an ACX2000 and ACX2100 Router | 60

ACX2000 Power System | 61

ACX2000 and ACX2100 Power Overview | 62

ACX2100 AC Power Specifications | 62

ACX2100 AC Power Cord Specifications | 63

ACX2000 and ACX2100 DC Power Specifications | 65

Site Planning, Preparation, and Specifications

Site Preparation Checklist for ACX2000 and ACX2100 Routers | 68

ACX2000 and ACX2100 Site Guidelines and Requirements | 69

General Site Guidelines | 70

Site Electrical Wiring Guidelines | 70

Clearance Requirements for Airflow and Hardware Maintenance on ACX2000 and ACX2100

Routers | 71

Chassis Physical Specifications for ACX2000 and ACX2100 Routers | 72

ACX2000 and ACX2100 Router Environmental Specifications | 73

ACX2000 and ACX2100 Chassis Grounding Cable and Lug Specifications | 74

Grounding Points Specifications | 74

Grounding Cable Lug Specifications | 75

Grounding Cable Specifications | 76

Cabinet Requirements for ACX2000 and ACX2100 Routers | 76

Rack Requirements for ACX2000 and ACX2100 Routers | 78

ACX2000 and ACX2100 Network Cable and Transceiver Planning | 80

Determining Transceiver Support and Specifications | 80

Calculating Power Budget and Power Margin for Fiber-Optic Cables | 81

How to Calculate Power Budget for Fiber-Optic Cable | 81

How to Calculate Power Margin for Fiber-Optic Cable | 82

Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 83

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 83

Attenuation and Dispersion in Fiber-Optic Cable | 84

ACX2000 and ACX2100 Alarm, Management, and Clocking Cable Specifications and

Pinouts | 85

Alarm Contact Port Pinouts on the ACX2000 and ACX2100 Router | 85

Management Port Connector Pinout Information for ACX Series Routers | 87

Console or Auxiliary Port Connector Pinout on ACX Series Routers | 88

USB Port Specifications for an ACX Series Router | 89

Clocking Ports Specifications on the ACX2000 and the ACX2100 Router | 89

External Clocking Port Connector Specifications | 90

External Clocking Input Port Specifications | 90

Initial Installation and Configuration

Installing and Connecting an ACX2000 or ACX2100 Router Overview | 93

Unpacking and Mounting the ACX2000 and ACX2100 Routers | 94

Unpacking an ACX2000 or ACX2100 Router | 94

Parts Inventory (Packing List) for an ACX2000 and ACX2100 Router | 95

Installing the ACX2000 or ACX2100 Mounting Brackets | 96

Installing the ACX2000 or ACX2100 Router in the Rack | 97

Connecting the ACX2000 and ACX2100 Routers to Power | 99

Connecting the ACX2000 or ACX2100 Router to Earth Ground | 100

Connecting DC Power Cables to the ACX2000 or ACX2100 Router | 102

Connecting AC Power Cords to the ACX2100 Router | 104

Connecting the ACX2000 and ACX2100 to External Devices | 105

Connecting ACX2000 or ACX2100 Routers to Management Devices | 106

Connecting the Router to a Network for Out-of-Band Management | 106

Connecting the Router to a Management Console or Auxiliary Device | 107

Connecting ACX2000 or ACX2100 Routers to External Clocking Devices | 108

Connecting 1-PPS and 10-MHz Timing Devices to the Router | 108

Connecting a T1 or E1 External Clocking Device to the Router | 109

Connecting ACX2000 or ACX2100 Routers to an External Alarm-Reporting Device | 110

Initially Configuring the ACX2000 or ACX2100 Router | 111

Maintaining Components

Maintaining ACX2000 and ACX2100 Components | 117

Routine Maintenance Procedures for the ACX2000 and ACX2100 Router | 117

Maintaining Cables That Connect to ACX2000 or ACX2100 Network Ports | 117

Maintaining the ACX2000 and ACX2100 Uplink Ports | 118

Removing a Transceiver from the ACX2000 or ACX2100 | 119

Installing a Transceiver in the ACX2000 or ACX2100 | 121

Replacing an ACX2000 or ACX2100 Management Ethernet Cable | 122

Removing an ACX2000 or ACX2100 Management Ethernet Cable | 122

Installing an ACX2000 and ACX2100 Management Ethernet Cable | 123

Replacing an ACX2000 or ACX2100 Console or Auxiliary Cable | 123

Removing an ACX2000 or ACX2100 Console or Auxiliary Cable | 123

Installing an ACX2000 or ACX2100 Console or Auxiliary Cable | 124

Troubleshooting Hardware

Troubleshooting ACX2000 and ACX2100 | 126

Troubleshooting Resources for ACX2000 and ACX2100 Routers | 126

Command-Line Interface | 126

Front Panel LEDs | 126

Monitoring System Log Messages | 127

Alarm Types and Severity Classes on ACX Series Routers | 127

Alarm Types | 128

Alarm Severity Classes | 128

Verifying Active Alarms | 128

Contacting Customer Support and Returning the Chassis or Components

Contacting Customer Support and Returning the Chassis or Components | 131

How to Return a Hardware Component to Juniper Networks, Inc. | 131

Locating the Serial Number on a ACX2000 or ACX2100 Chassis or Component | 132

ACX2000 and ACX2100 Chassis Serial Number Label | 133

Guidelines for Packing Hardware Components for Shipment | 133

Packing the ACX Series Router for Shipment | 134

Safety and Compliance Information

General Safety Guidelines and Warnings | 137

Definitions of Safety Warning Levels | 138

Qualified Personnel Warning | 141

Warning Statement for Norway and Sweden | 142

Installation Instructions Warning | 142

Chassis and Component Lifting Guidelines | 143

Restricted Access Warning | 144

Ramp Warning | 146

Rack-Mounting and Cabinet-Mounting Warnings | 147

Grounded Equipment Warning | 153

Radiation from Open Port Apertures Warning | 154

Laser and LED Safety Guidelines and Warnings | 155

General Laser Safety Guidelines | 155

Class 1 Laser Product Warning | 156

Class 1 LED Product Warning | 157

Laser Beam Warning | 158

Maintenance and Operational Safety Guidelines and Warnings | 158

Battery Handling Warning | 160

Jewelry Removal Warning | 161

Lightning Activity Warning | 163

vii

Operating Temperature Warning | 164

Product Disposal Warning | 166

General Electrical Safety Guidelines and Warnings | 167

Action to Take After an Electrical Accident | 168

Prevention of Electrostatic Discharge Damage | 168

ACX2100 AC Power Electrical Safety Guidelines | 170

AC Power Disconnection Warning | 171

ACX2000 and ACX2100 DC Power Electrical Safety Guidelines | 172

DC Power Copper Conductors Warning | 173

DC Power Disconnection Warning | 174

DC Power Grounding Requirements and Warning | 176

DC Power Wiring Sequence Warning | 178

DC Power Wiring Terminations Warning | 181

Midplane Energy Hazard Warning | 183

Multiple Power Supplies Disconnection Warning | 184

TN Power Warning | 185

Agency Approvals for ACX2000 and ACX2100 Routers | 185

Compliance Statements for NEBS for ACX2000 and ACX2100 Routers | 187

Compliance Statements for EMC Requirements for ACX2000 and ACX2100 Routers | 188

Canada | 188

European Community | 188

Israel | 188

Japan | 189

United States | 189

Compliance Statements for Environmental Requirements | 190

Compliance Statements for Acoustic Noise for ACX2000 and ACX2100 Routers | 190

viii

About the Documentation

IN THIS SECTION

Documentation and Release Notes | ix

Using the Examples in This Manual | ix

Documentation Conventions | xi

Documentation Feedback | xiv

Requesting Technical Support | xiv

Use this guide to install hardware and perform initial software configuration, routine maintenance, and

troubleshooting for the ACX2000 and ACX2100 Universal Metro router. After completing the installation

and basic configuration procedures covered in this guide, refer to the Junos OS documentation for

information about further software configuration.

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 https://www.juniper.net/documentation/.

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 https://www.juniper.net/books.

Using the Examples in This Manual

If you want to use the examples in this manual, you can use the load merge or the load merge relative

command. These commands cause the software to merge the incoming configuration into the current

candidate configuration. The example does not become active until you commit the candidate configuration.

If the example configuration contains the top level of the hierarchy (or multiple hierarchies), the example

isafull example. In this case, use the load merge command.

If the example configuration does not start at the top level of the hierarchy, the example is a snippet. In

this case, use the load merge relative command. These procedures are described in the following sections.

Merging a Full Example

To merge a full example, follow these steps:

1. From the HTML or PDF version of the manual, copy a configuration example into a text file, save the

file with a name, and copy the file to a directory on your routing platform.

For example, copy the following configuration to a file and name the file ex-script.conf. Copy the

ex-script.conf file to the /var/tmp directory on your routing platform.

system {

scripts {

commit {

file ex-script.xsl;

}

interfaces {

fxp0 {

disable;

unit 0 {

family inet {

address 10.0.0.1/24;

}

2. Merge the contents of the file into your routing platform configuration by issuing the load merge

configuration mode command:

[edit]

user@host# load merge /var/tmp/ex-script.conf

load complete

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