Juniper ACX5448-M Manuale utente

ACX5448, ACX5448-D, and ACX5448-M

Universal Metro Router Hardware Guide

Published

2019-12-23

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.

ACX5448, ACX5448-D, and ACX5448-M 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.

ii

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

1

ACX5448, ACX5448-D, and ACX5448-M System Overview | 19

ACX5400 Universal Metro Router Description | 19

Benefits of ACX5400 Routers | 21

ACX5448, ACX5448-D, and ACX5448-M System Overview | 21

ACX5400 Router Models | 25

Field-Replaceable Units in ACX5400 Routers | 26

Hardware Redundancy of ACX5400 Router Components and Functionality | 27

ACX5400 Routers Hardware and CLI Terminology Mapping | 27

ACX5400 System Software Overview | 29

ACX5448, ACX5448-D, and ACX5448-M Chassis | 30

Management Panel of ACX5400 Routers | 30

Port Panel of ACX5400 Routers | 32

Port Panel of an ACX5448 Router | 32

Port Panel of an ACX5448-D Router | 32

Port Panel of an ACX5448-M Router | 36

Chassis Status LEDs on ACX5400 Routers | 37

Management Port LEDs on ACX5400 Routers | 40

Network Port LEDs on ACX5400 Routers | 41

iii

Fan Status LEDs on ACX5400 Routers | 43

Power Supply LEDs on ACX5400 Routers | 44

AC Power Supply LEDs on ACX5400 Routers | 44

DC Power Supply LEDs on ACX5400 Routers | 46

Cooling System and Airflow in ACX5448, ACX5448-D, and ACX5448-M Routers | 47

Fan Modules | 48

Fan Module and Power Supply Requirement | 50

Fan Module Status | 51

ACX5448, ACX5448-D, and ACX5448-M Power System | 52

AC Power Supply for ACX5400 Routers | 53

AC Power Specifications for ACX5400 Routers | 55

AC Power Cord Specifications for ACX5400 Routers | 55

DC Power Supply for ACX5400 Routers | 57

DC Power Specifications for ACX5400 Routers | 59

Site Planning, Preparation, and Specifications

2

Site Preparation Checklist for ACX5448, ACX5448-D, and ACX5448-M Routers | 63

ACX5448, ACX5448-D, and ACX5448-M Site Guidelines and Requirements | 64

General Site Guidelines | 65

Site Electrical Wiring Guidelines | 65

Chassis Physical Specifications for ACX5400 Routers | 66

ACX5400 Router Environmental Requirements and Specifications | 67

ACX5400 Grounding Cable and Lug Specifications | 68

Clearance Requirements for Airflow and Hardware Maintenance for ACX5400 Routers | 70

Cabinet Requirements for ACX5400 Routers | 71

iv

Rack Requirements for ACX5400 Routers | 72

ACX5448, ACX5448-D, and ACX5448-M Network Cable and Transceiver Planning | 73

Determining Transceiver Support for ACX5400 | 74

Cable Specifications for QSFP+ and QSFP28 Transceivers | 74

Calculating Power Budget and Power Margin for Fiber-Optic Cables | 76

Calculating Power Budget for Fiber-Optic Cable | 76

Calculating Power Margin for Fiber-Optic Cable | 77

Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion | 78

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable | 78

Attenuation and Dispersion in Fiber-Optic Cable | 79

ACX5448, ACX5448-D, and ACX5448-M Management and Console Port Specifications

and Pinouts | 80

Management Cable Specifications for ACX5400 Routers | 80

Management Port Connector Pinout Information for ACX Series Routers | 80

Console or Auxiliary Port Connector Pinout on ACX Series Routers | 81

USB Port Specifications for an ACX Series Router | 82

Initial Installation and Configuration

3

ACX5448, ACX5448-D, and ACX5448-M Installation Overview | 85

Unpacking and Mounting ACX5448, ACX5448-D, and ACX5448-M | 86

Unpack an ACX5400 Router | 86

Mount an ACX5400 Router in a Rack or Cabinet | 87

Before You Begin Rack Installation | 88

Install the ACX5400 Router in the Rack | 89

Connect ACX5448, ACX5448-D, and ACX5448-M to Power | 95

Connect Earth Ground to ACX5400 Routers | 95

Connect AC Power to an ACX5400 Router | 98

Connect DC Power to an ACX5400 Router | 102

Connect ACX5448, ACX5448-D, and ACX5448-M to External Devices | 106

Connect an ACX5400 Router to a Management Console | 106

Connect an ACX5400 Router to a Network for Out-of-Band Management | 107

v

Connect an ACX5400 Router to External Clocking and Timing Devices | 108

Perform Initial Software Configuration for the ACX5448, ACX5448-D, and ACX5448-M

Routers | 109

Maintaining Components

4

Maintaining ACX5448, ACX5448-D, and ACX5448-M Components | 115

Replace an ACX5400 Fan Module | 115

Remove a Fan Module from an ACX5400 Router | 115

Install a Fan Module in an ACX5400 Router | 117

Replace an ACX5400 AC Power Supply Module | 118

Remove an AC Power Supply Module from an ACX5400 Router | 118

Install an AC Power Supply Module in an ACX5400 Router | 120

Replace an ACX5400 DC Power Supply Module | 122

Remove an ACX5400 DC Power Supply Module | 123

Install an ACX5400 DC Power Supply Module | 124

Replace an SFP+ Transceiver | 127

Remove an SFP+ Transceiver | 127

Install an SFP+ Transceiver | 128

Replace a QSFP28 Transceiver | 129

Remove a QSFP28 Transceiver | 130

Install a QSFP28 Transceiver | 131

Replacing a CFP2 Transceiver | 132

Removing a CFP2 Transceiver | 133

Installing a CFP2 Transceiver | 134

Maintaining Fiber-Optic Cables | 136

Removing the ACX5448, ACX5448-D, or ACX5448-M Router | 136

Power Off an ACX5400 Router | 137

Remove an ACX5400 Router from a Rack or Cabinet | 138

Troubleshooting Hardware

5

Troubleshooting the ACX5448, ACX5448-D, and ACX5448-M Routers | 143

Alarm Types and Severity Classes on ACX Series Routers | 143

Alarm Types | 143

Alarm Severity Classes | 144

vi

Contacting Customer Support and Returning the Chassis or Components

6

Contacting Customer Support and Returning the Chassis or Components | 147

Returning a Hardware Component to Juniper Networks, Inc. | 147

How to Locate the Serial Number on an ACX5400 Router or Component | 148

List the Chassis and Component Details Using the CLI | 149

Locate the Chassis Serial Number ID Label on an ACX5400 Router | 151

Locate the Serial Number ID Labels on ACX5400 Power Supply Modules | 152

Locate the Serial Number ID Label on an ACX5400 Fan Module | 153

Contacting Customer Support to Obtain Return Material Authorization | 154

Guidelines for Packing Hardware Components for Shipment | 155

Safety and Compliance Information

7

General Safety Guidelines and Warnings | 159

Definitions of Safety Warning Levels | 160

Qualified Personnel Warning | 163

Warning Statement for Norway and Sweden | 164

Fire Safety Requirements | 164

Fire Suppression | 164

Fire Suppression Equipment | 164

Installation Instructions Warning | 166

Restricted Access Warning | 167

Ramp Warning | 169

Rack-Mounting and Cabinet-Mounting Warnings | 170

Grounded Equipment Warning | 176

Radiation from Open Port Apertures Warning | 177

Laser and LED Safety Guidelines and Warnings | 178

General Laser Safety Guidelines | 178

Class 1 Laser Product Warning | 179

Class 1 LED Product Warning | 180

vii

Laser Beam Warning | 181

Maintenance and Operational Safety Guidelines and Warnings | 181

Battery Handling Warning | 183

Jewelry Removal Warning | 184

Lightning Activity Warning | 186

Operating Temperature Warning | 187

Product Disposal Warning | 189

General Electrical Safety Guidelines and Warnings | 190

Prevention of Electrostatic Discharge Damage | 191

Site Electrical Wiring Guidelines | 192

AC Power Electrical Safety Guidelines | 193

AC Power Disconnection Warning | 195

DC Power Disconnection Warning | 196

DC Power Grounding Requirements and Warning | 198

DC Power Wiring Sequence Warning | 200

DC Power Wiring Terminations Warning | 203

Multiple Power Supplies Disconnection Warning | 206

TN Power Warning | 207

Action to Take After an Electrical Accident | 207

Agency Approvals for ACX5448, ACX5448-D, and ACX5448-M Routers | 208

Compliance Statements for NEBS | 209

Compliance Statements for EMC Requirements | 209

Canada | 209

European Community | 210

Israel | 210

Japan | 210

United States | 210

Compliance Statements for Environmental Requirements | 211

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 ACX5448 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.

ix

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

is a full 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

x

Merging a Snippet

To merge a snippet, follow these steps:

1. From the HTML or PDF version of the manual, copy a configuration snippet 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 snippet to a file and name the file ex-script-snippet.conf. Copy the

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

commit {

file ex-script-snippet.xsl; }

2. Move to the hierarchy level that is relevant for this snippet by issuing the following configuration mode

command:

[edit]

user@host# edit system scripts

[edit system scripts]

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

relative configuration mode command:

[edit system scripts]

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

load complete

For more information about the load command, see CLI Explorer.

Documentation Conventions

Table 1 on page xii defines notice icons used in this guide.

xi

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 xii 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

xii

Table 2: Text and Syntax Conventions (continued)

ExamplesDescriptionConvention

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

•

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

only

Indicates 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

xiii

Table 2: Text and Syntax Conventions (continued)

ExamplesDescriptionConvention

•

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 so that we can improve our documentation. You can use either

of the following methods:

•

Online feedback system—Click TechLibrary Feedback, on the lower right of any page on the Juniper

Networks TechLibrary site, and do one of the following:

•

Click the thumbs-up icon if the information on the page was helpful to you.

•

Click the thumbs-down icon if the information on the page was not helpful to you or if you have

suggestions for improvement, and use the pop-up form to provide feedback.

•

E-mail—Send your comments to [email protected]. 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 Juniper Care or Partner Support Services support contract, or are

xiv

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 https://www.juniper.net/us/en/local/pdf/resource-guides/7100059-en.pdf.

•

Product warranties—For product warranty information, visit https://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: https://www.juniper.net/customers/support/

•

Search for known bugs: https://prsearch.juniper.net/

•

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

•

Find solutions and answer questions using our Knowledge Base: https://kb.juniper.net/

•

Download the latest versions of software and review release notes:

https://www.juniper.net/customers/csc/software/

•

Search technical bulletins for relevant hardware and software notifications:

https://kb.juniper.net/InfoCenter/

•

Join and participate in the Juniper Networks Community Forum:

https://www.juniper.net/company/communities/

•

Create a service request online: https://myjuniper.juniper.net

To verify service entitlement by product serial number, use our Serial Number Entitlement (SNE) Tool:

https://entitlementsearch.juniper.net/entitlementsearch/

Creating a Service Request with JTAC

You can create a service request with JTAC on the Web or by telephone.

•

Visit https://myjuniper.juniper.net.

•

Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico).

For international or direct-dial options in countries without toll-free numbers, see

https://support.juniper.net/support/requesting-support/.

xv

1

CHAPTER

Overview

ACX5448, ACX5448-D, and ACX5448-M System Overview | 19

ACX5448, ACX5448-D, and ACX5448-M Chassis | 30

Cooling System and Airflow in ACX5448, ACX5448-D, and ACX5448-M Routers | 47

ACX5448, ACX5448-D, and ACX5448-M Power System | 52

ACX5448, ACX5448-D, and ACX5448-M System

Overview

IN THIS SECTION

ACX5400 Universal Metro Router Description | 19

ACX5400 Router Models | 25

Field-Replaceable Units in ACX5400 Routers | 26

Hardware Redundancy of ACX5400 Router Components and Functionality | 27

ACX5400 Routers Hardware and CLI Terminology Mapping | 27

ACX5400 System Software Overview | 29

ACX5400 Universal Metro Router Description

IN THIS SECTION

Benefits of ACX5400 Routers | 21

ACX5448, ACX5448-D, and ACX5448-M System Overview | 21

The Juniper Networks ACX5400 Universal Metro Routers are top-of-rack routers with deep packet buffer

solutions for metro network or aggregation environments. The ACX5400 router portfolio consists of

high-performance, fixed-configuration, 1 U routers that add higher port densities, additional scalability,

and improved latency to the ACX Series. The routers have a high-throughput Packet Forwarding Engine,

which provides full duplex throughput of 800 Gbps.

The ACX5400 line of routers are available in three variants:

•

ACX5448

•

ACX5448-D

•

ACX5448-M

19

Figure 1 on page 20 and Figure 2 on page 20 show the front and rear, respectively, of a typical ACX5448

router.

Figure 1: ACX5448 Router—Front

Figure 2: AC-Powered ACX5448 Router—Rear

Figure 3 on page 20 and Figure 4 on page 20 show the front and rear, respectively, of a typical ACX5448-D

router.

Figure 3: ACX5448-D Router—Front

Figure 4: AC-Powered ACX5448-D Router—Rear

Figure 5 on page 20 and Figure 6 on page 21 show the front and rear, respectively, of a typical ACX5448-M

router.

Figure 5: ACX5448-M Router—Front

20

Figure 6: AC-Powered ACX5448-M Router—Rear

Benefits of ACX5400 Routers

•

Optimized space—The ACX5400 router has a 1 U form factor and is ideal for Ethernet service aggregation.

Its innovative design helps service providers build high-density, high-performance 100-Gigabit Ethernet

infrastructures where rack space and cooling are limited.

•

High performance

•

The 52 ports on the ACX5448 router support 10-Gbps and 100-Gbps speeds providing a total

throughput of up to 800 Gbps. The router provides full metro Ethernet and IP/MPLS VPN services in

a space-optimized platform.

•

The ACX5448-D router supports 10-Gigabit, 100-Gigabit, and 100G/200G dense wavelength-division

multiplexing (DWDM) ports with a system throughput of up to 800 Gbps. The innovative design of

the ACX5448-D helps service providers develop converged packet optical solutions.

•

Simplified network architecture— The ACX5400 line of routers simplify access and aggregation

architectures by eliminating unnecessary layers and network overlays.

•

Advanced security capabilities— The ACX5448-M router supports advanced security capabilities such

as Media Access Control Security (MACsec) on the 10-Gigabit or 1-Gigabit Ethernet ports to protect

against potential network vulnerabilities.

ACX5448, ACX5448-D, and ACX5448-M System Overview

The ACX5400 routers have a high-throughput Packet Forwarding Engine, and the performance of the

control plane running on ACX5400 routers is enhanced by the 1.9-Ghz six-core Intel CPU with 32-GB of

memory and two 100-GB enterprise-grade solid-state drives (SSDs) for storage.

We ship the ACX5400 routers with redundant fans and redundant power supply modules (PSMs). You

can order the routers with front-to-back airflow (airflow out or AFO) or back-to-front airflow (airflow in

or AFI), and with AC or DC PSMs.

Figure 7 on page 22 shows the important components on the front of the ACX5448 router.

21

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