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Omni-Path Switch 100 Series
Installation Manual
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Intel Omni-Path Switch 100 Series, Omni-Path Edge Switch Series, Omni-Path Director Class Switch Series Installation Manual

Intel® Omni-Path Fabric Switches Hardware
Installation Guide
Rev. 10.0
June 2019
Doc. No.: H76456, Rev.: 10.0
No license (express or implied, by estoppel or otherwise) to any intellectual property rights is granted by this document.
All information provided here is subject to change without notice. Contact your Intel representative to obtain the latest Intel product specifications and roadmaps.
The products described may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request.
Intel technologies’ features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. No computer system can be absolutely secure. Check with your system manufacturer or retailer or learn more at intel.com.
Intel, the Intel logo, Intel Xeon Phi, and Xeon are trademarks of Intel Corporation in the U.S. and/or other countries.
*Other names and brands may be claimed as the property of others.
Copyright © 2015–2019, Intel Corporation. All rights reserved.
®
Omni-Path Fabric Switches Hardware
Intel Installation Guide June 2019 2 Doc. No.: H76456, Rev.: 10.0
Revision History—Intel® Omni-Path Fabric

Revision History

For the latest documentation, go to: http://www.intel.com/omnipath/SwitchPublications.
Date Revision Description
June 2019 10.0 • Updated the FM Switch LED description.
April 2019 9.0 Added Appendix B Director Switch Cable Management on page 90.
February 2019 8.0 • Added an Edge switch cable port connection limitation statement to
April 2018 7.0 • Added Figure 57, "48-Port Leaf Module Port Numbering"
April 2017 6.0 • Updated Air Baffle information in "Installing the Airflow Baffles"
December 2016 5.0 Document updated for Revision 5.0
August 2016 4.0 Document updated for Revision 4.0
May 2016 3.0 Document updated for Revision 3.0
February 2016 2.0 Document updated for Revision 2.0
November 2015 1.0 Document updated for Revision 1.0
• Edge switch product naming. Updated remaining instances of "unmanaged" to "externally-managed" wherever applicable.
the section Cable Distances on page 28.
• The section Updating the Management Module IP Addresses in a
Director Class Redundant Management Configuration on page 75
was updated to use the boot command moduleip.
• Added Q7 BIOS Update on page 86
• Added module installation information for the Omni-Path Fabric Edge Hot Swap in "Installing the Edge Switch Hot-Swap Power and Fan Modules".
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Intel® Omni-Path Fabric Switches Hardware
®
Omni-Path Fabric—Contents
Intel

Contents

Revision History..................................................................................................................3
Preface............................................................................................................................... 9
Intended Audience....................................................................................................... 9
Intel® Omni-Path Documentation Library.........................................................................9
How to Search the Intel® Omni-Path Documentation Set........................................ 11
Cluster Configurator for Intel® Omni-Path Fabric.............................................................12
Documentation Conventions........................................................................................ 12
Laser Safety Information.............................................................................................13
Electrostatic Discharge Sensitivity (ESDS) Precautions.................................................... 13
License Agreements....................................................................................................13
Technical Support.......................................................................................................13
1.0 Introduction................................................................................................................14
1.1 Safety Information................................................................................................14
1.1.1 Statement 1.............................................................................................15
1.1.2 Statement 2.............................................................................................17
1.1.3 Statement 3.............................................................................................19
1.1.4 Statement 4.............................................................................................20
1.1.5 Statement 5.............................................................................................22
1.1.6 Statement 6.............................................................................................24
1.1.7 Statement 7.............................................................................................25
2.0 Installation................................................................................................................. 28
2.1 Planning the Installation........................................................................................ 28
2.1.1 Cable Requirements.................................................................................. 28
2.1.2 Uninterruptible Power Supply Equipment......................................................31
2.2 Installation Tasks Checklist.....................................................................................31
2.2.1 Tools and Equipment Required.................................................................... 32
2.2.2 Check the Installation Site......................................................................... 32
2.2.3 Mark the Rack.......................................................................................... 32
2.3 Intel® Omni-Path Fabric Edge Switch Installation...................................................... 33
2.3.1 Mounting Hardware Kit Contents................................................................. 33
2.3.2 Rack Mounting..........................................................................................33
2.3.3 Installing the Airflow Baffles....................................................................... 37
2.3.4 Installing the Switch Fascia........................................................................ 40
2.3.5 Reversing the Fan Airflow...........................................................................41
2.3.6 Installing the Q7 Management Module......................................................... 43
2.4 Intel® Omni-Path Director Class Switch 100 Series Installation................................... 45
2.4.1 Mounting Hardware Kit Contents................................................................. 45
2.4.2 Unpacking the Switch................................................................................ 45
2.4.3 Installation Tasks...................................................................................... 51
2.4.4 Installing the Optional Cable Management Guide........................................... 59
2.4.5 Installing Director Class Modules.................................................................61
2.4.6 Installing the Edge Switch Hot-Swap Power and Fan Modules.......................... 65
2.5 Connect Equipment to the Ports and Power On the System.........................................68
2.5.1 Director Class Switch Port and Slot Numbering..............................................69
2.5.2 Leaf Module Port Numbering.......................................................................70
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Contents—Intel® Omni-Path Fabric
2.5.3 Edge Switch Cabling Recommendations........................................................71
2.6 Setting Up the USB Console................................................................................... 73
2.7 Bringing Up the System For the First Time................................................................73
2.7.1 Start-up Procedures.................................................................................. 73
2.7.2 Changing the Switch IP Address and Default Gateway through the CLI............. 73
2.7.3 Updating the Management Module IP Addresses in a Director Class
Redundant Management Configuration........................................................75
2.8 Component LEDs.................................................................................................. 75
2.8.1 Edge Switch LEDs..................................................................................... 76
2.8.2 Director Class LEDs................................................................................... 79
Appendix A Q7 BIOS Update............................................................................................. 86
A.1 Before Getting Started.......................................................................................... 86
A.1.1 Prior to Upgrading.....................................................................................86
A.2 Displaying the Current Version................................................................................86
A.3 SFTP Server Configuration..................................................................................... 87
A.4 Updating the Edge Switches................................................................................... 87
A.4.1 Performing the Upgrade.............................................................................87
A.5 Updating Director Class Switches............................................................................ 88
A.5.1 Performing the Upgrade.............................................................................88
Appendix B Director Switch Cable Management................................................................ 90
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Intel® Omni-Path Fabric Switches Hardware
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Omni-Path Fabric—Figures
Intel

Figures

1 Edge Switch Port Connection Limitations.....................................................................29
2 QSFP Cable Connector Orientation............................................................................. 29
3 Copper Cable Bend Radius ....................................................................................... 30
4 Fiber Optic Bend Radius ...........................................................................................31
5 Intel® Omni-Path Edge Switch Rail.............................................................................33
6 Rail Installation Pin.................................................................................................. 34
7 Installed the Rack Rails............................................................................................ 34
8 Intel® Omni-Path Fabric Edge Switch Mounted in a Four Post Standard Rack....................35
9 Switch Rail Adjustments........................................................................................... 36
10 Rail Adjustment Notches...........................................................................................36
11 Edge Baffle (Top View)............................................................................................. 38
12 Secure the Top Baffle to the Switch............................................................................39
13 Remove Rail Post.....................................................................................................39
14 Insert Clamp on Baffles............................................................................................ 39
15 Clamp over Rail Post................................................................................................ 40
16 Reattach the Rail Post.............................................................................................. 40
17 Switch Fascia.......................................................................................................... 41
18 Rail Posts for Fascia Installation................................................................................. 41
19 Switch Cover Thumbscrews (Top View).......................................................................42
20 Fan Assembly Rotation............................................................................................. 42
21 Wire Assembly Strain Relief and Airflow Direction Indicators..........................................43
22 Q7 Management Module........................................................................................... 43
23 Switch Cover Thumbscrews (Top View).......................................................................44
24 Installing the Q7 Module...........................................................................................44
25 Q7 Module Mounting Screw.......................................................................................45
26 Unpacking the Switch (1)......................................................................................... 46
27 Unpacking the Switch (2)......................................................................................... 47
28 Unpacking the Switch (3)......................................................................................... 48
29 Unpacking the Switch (4)......................................................................................... 48
30 Unpacking the Switch (5)......................................................................................... 49
31 Unpacking the Switch (6)......................................................................................... 50
32 Unpacking the Switch (7)......................................................................................... 51
33 Measure the Rack.................................................................................................... 52
34 Preset the Adjustable Rails........................................................................................52
35 Install Fixture Brackets.............................................................................................53
36 Secure Shelf to Rack................................................................................................53
37 Secure the Baffles to Top of Shelf Rails....................................................................... 54
38 Secure the Top of the Baffles to the Rack Rails.............................................................55
39 Completed Shelf Assemblies......................................................................................56
40 Slide the Chassis into the Rack..................................................................................57
41 Fasten the Chassis to the Rack.................................................................................. 58
42 Completed Switch Installations..................................................................................59
43 Installing Cable Management.................................................................................... 60
44 Module Installation 1................................................................................................62
45 Module Installation 2................................................................................................63
46 Module Installation 3................................................................................................63
47 Module Installation 4................................................................................................64
48 Module Installation 5................................................................................................64
49 Edge Power Supply Install 1......................................................................................66
50 Edge Power Supply Install 2......................................................................................67
51 Edge Fan Supply Install 1......................................................................................... 67
52 Edge Fan Supply Install 2......................................................................................... 68
53 Edge Switch Serial and Ethernet Ports........................................................................ 68
54 Director Switch Serial and Ethernet Ports ...................................................................68
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Figures—Intel® Omni-Path Fabric
55 Director Class Leaf Slot Numbering............................................................................ 69
56 Leaf Module Port Numbering..................................................................................... 70
57 48-Port Leaf Module Port Numbering ......................................................................... 70
58 Chassis Viewer GUI Leaf Port Stats Scree....................................................................71
59 48-Port Edge Switch Cabling Recommendations...........................................................72
60 Edge Switch LEDs.................................................................................................... 76
61 Ports, Fabric Manager (FM), Managed (M), and FM Switch LEDs..................................... 77
62 Activating the FM Enable Switch LED.......................................................................... 78
63 Power Supply LEDs.................................................................................................. 79
64 Airflow Direction LED............................................................................................... 79
65 Management Module LEDs........................................................................................ 80
66 Leaf Module LEDs.................................................................................................... 81
67 Spine Module LEDs.................................................................................................. 82
68 SEEB Module LEDs...................................................................................................83
69 Director Class Fan LEDs............................................................................................84
70 Director Class Power Supply LEDs..............................................................................85
71 Leaf Cabling............................................................................................................90
72 Using Velcro Ties and the Cable Management Hanger................................................... 90
73 Tying Off All Cables..................................................................................................91
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Intel® Omni-Path Fabric Switches Hardware
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Omni-Path Fabric—Tables
Intel

Tables

1 Cable Bend Radius Guidelines....................................................................................30
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Preface—Intel® Omni-Path Fabric

Preface

This manual is part of the documentation set for the Intel® Omni-Path Fabric (Intel OP Fabric), which is an end-to-end solution consisting of Intel® Omni-Path Host Fabric Interfaces (HFIs), Intel® Omni-Path switches, and fabric management and development tools.
The Intel® OP Fabric delivers the next generation, High-Performance Computing (HPC) network solution that is designed to cost-effectively meet the growth, density, and reliability requirements of large-scale HPC clusters.
Both the Intel® OP Fabric and standard InfiniBand* (IB) are able to send Internet Protocol (IP) traffic over the fabric, or IPoFabric. In this document, however, it may also be referred to as IP over IB or IPoIB. From a software point of view, IPoFabric behaves the same way as IPoIB, and in fact uses an ib_ipoib driver to send IP traffic over the ib0/ib1 ports.

Intended Audience

The intended audience for the Intel® Omni-Path (Intel® OP) document set is network administrators and other qualified personnel.

Intel® Omni-Path Documentation Library

Intel® Omni-Path publications are available at the following URLs:
• Intel® Omni-Path Switches Installation, User, and Reference Guides
http://www.intel.com/omnipath/SwitchPublications
• Intel® Omni-Path Software Installation, User, and Reference Guides (includes HFI documents)
http://www.intel.com/omnipath/FabricSoftwarePublications
• Drivers and Software (including Release Notes)
http://www.intel.com/omnipath/Downloads
®
Use the tasks listed in this table to find the corresponding Intel® Omni-Path document.
Task
Key:
Shading indicates the URL to use for accessing the particular document.
• Intel® Omni-Path Switches Installation, User, and Reference Guides: http://www.intel.com/omnipath/SwitchPublications
• Intel® Omni-Path Software Installation, User, and Reference Guides (includes HFI documents):
http://www.intel.com/omnipath/FabricSoftwarePublications (no shading)
• Drivers, Software, and Firmware (including Release Notes): http://www.intel.com/omnipath/Downloads
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Document Title Description
continued...
Intel® Omni-Path Fabric Switches Hardware
Task Document Title Description
A roadmap to Intel's comprehensive library of publications
Using the Intel® OPA documentation set
Intel® Omni-Path Fabric Quick Start Guide
describing all aspects of the product family. This document outlines the most basic steps for getting your Intel® Omni­Path Architecture (Intel® OPA) cluster installed and operational.
Provides a high level overview of the steps required to stage a customer-based installation of the Intel® Omni-Path Fabric.
Setting up an Intel OPA cluster
®
Intel® Omni-Path Fabric Setup Guide
Procedures and key reference documents, such as Intel Omni-Path user guides and installation guides, are provided to clarify the process. Additional commands and best known methods are defined to facilitate the installation process and troubleshooting.
Describes the hardware installation and initial configuration tasks for the Intel® Omni-Path Switches 100 Series. This includes: Intel® Omni-Path Edge Switches 100 Series, 24 and 48-port configurable Edge switches, and Intel® Omni-Path Director Class Switches 100 Series.
Contains instructions for installing the HFI in an Intel® OPA cluster.
Installing hardware
Intel® Omni-Path Fabric Switches Hardware Installation Guide
Intel® Omni-Path Host Fabric Interface Installation Guide
Installing host software
Installing HFI firmware
Installing switch firmware (externally-
Intel® Omni-Path Fabric Software Installation Guide
Describes using a Text-based User Interface (TUI) to guide you through the installation process. You have the option of using command line interface (CLI) commands to perform the installation or install using the Linux* distribution software.
managed switches)
Managing a switch using GUI
Installing switch firmware (managed switches)
Describes the graphical user interface (GUI) of the Intel Omni-Path Fabric GUI. This document provides task-oriented procedures for configuring and managing the Intel® Omni­Path Switch family.
Help: GUI embedded help files
Managing a switch using the CLI
Installing switch firmware (managed
Intel® Omni-Path Fabric Switches Command Line Interface Reference Guide
Describes the command line interface (CLI) task information for the Intel® Omni-Path Switch family.
Help: -help for each CLI
switches)
Provides instructions for using the set of fabric management tools designed to simplify and optimize common fabric management tasks. The management tools consist of Text-
Managing a fabric using FastFabric
Intel® Omni-Path Fabric Suite FastFabric User Guide
based User Interface (TUI) menus and command line interface (CLI) commands.
Help: -help and man pages for each CLI. Also, all host CLI commands can be accessed as console help in the Fabric Manager GUI.
The Fabric Manager uses a well defined management protocol
Intel® Omni-Path Fabric Suite Fabric Manager User Guide
to communicate with management agents in every Intel Omni-Path Host Fabric Interface (HFI) and switch. Through these interfaces the Fabric Manager is able to discover,
configure, and monitor the fabric. Managing a fabric using Fabric Manager
Intel® Omni-Path Fabric Suite Fabric Manager GUI User Guide
Provides an intuitive, scalable dashboard and set of analysis
tools for graphically monitoring fabric status and
configuration. This document is a user-friendly alternative to
traditional command-line tools for day-to-day monitoring of
fabric health.
Help: Fabric Manager GUI embedded help files
Intel® Omni-Path Fabric—Preface
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®
®
continued...
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Preface—Intel
Configuring and administering Intel HFI and IPoIB driver
Running MPI applications on Intel® OPA
Writing and running middleware that uses Intel® OPA
Optimizing system performance
Designing an IP or LNet router on Intel OPA
Building Containers for Intel® OPA fabrics
Writing management applications that interface with Intel OPA
Using NVMe* over Fabrics on Intel OPA
Learning about new release features, open issues, and resolved issues for a particular release
Omni-Path Fabric
Task Document Title Description
®
®
Intel® Omni-Path Fabric Host Software User Guide
Intel® Performance Scaled Messaging 2 (PSM2) Programmer's Guide
Intel® Omni-Path Fabric Performance Tuning User Guide
Intel® Omni-Path IP and LNet Router Design Guide
®
(Old title: Intel® Omni-Path IP and
Storage Router Design Guide)
Building Containers for Intel® Omni­Path Fabrics using Docker* and Singularity* Application Note
Intel® Omni-Path Management API
®
Programmer’s Guide
Configuring Non-Volatile Memory Express* (NVMe*) over Fabrics on Intel® Omni-Path Architecture Application Note
Intel® Omni-Path Fabric Software Release Notes
Intel® Omni-Path Fabric Manager GUI Release Notes
Intel® Omni-Path Fabric Switches Release Notes (includes managed and externally-managed switches)
Intel® Omni-Path Fabric Unified Extensible Firmware Interface (UEFI) Release Notes
Intel® Omni-Path Fabric Thermal Management Microchip (TMM) Release Notes
Intel® Omni-Path Fabric Firmware Tools Release Notes
Describes how to set up and administer the Host Fabric Interface (HFI) after the software has been installed. The audience for this document includes cluster administrators and Message-Passing Interface (MPI) application programmers.
Provides a reference for programmers working with the Intel PSM2 Application Programming Interface (API). The Performance Scaled Messaging 2 API (PSM2 API) is a low­level user-level communications interface.
Describes BIOS settings and parameters that have been shown to ensure best performance, or make performance more consistent, on Intel® Omni-Path Architecture. If you are interested in benchmarking the performance of your system, these tips may help you obtain better performance.
Describes how to install, configure, and administer an IPoIB router solution (Linux* IP or LNet) for inter-operating between Intel® Omni-Path and a legacy InfiniBand* fabric.
Provides basic information for building and running Docker* and Singularity* containers on Linux*-based computer platforms that incorporate Intel® Omni-Path networking technology.
Contains a reference for programmers working with the Intel® Omni-Path Architecture Management (Intel OPAMGT) Application Programming Interface (API). The Intel OPAMGT API is a C-API permitting in-band and out-of-band queries of the FM's Subnet Administrator and Performance Administrator.
Describes how to implement a simple Intel® Omni-Path Architecture-based point-to-point configuration with one target and one host server.
®

How to Search the Intel® Omni-Path Documentation Set

Many PDF readers, such as Adobe* Reader and Foxit* Reader, allow you to search across multiple PDFs in a folder.
Follow these steps:
1. Download and unzip all the Intel® Omni-Path PDFs into a single folder.
2. Open your PDF reader and use CTRL-SHIFT-F to open the Advanced Search window.
3. Select All PDF documents in...
June 2019 Installation Guide Doc. No.: H76456, Rev.: 10.0 11
Intel® Omni-Path Fabric Switches Hardware
4. Select Browse for Location in the dropdown menu and navigate to the folder containing the PDFs.
5. Enter the string you are looking for and click Search.
Use advanced features to further refine your search criteria. Refer to your PDF reader Help for details.

Cluster Configurator for Intel® Omni-Path Fabric

The Cluster Configurator for Intel® Omni-Path Fabric is available at: http://
www.intel.com/content/www/us/en/high-performance-computing-fabrics/omni-path­configurator.html.
This tool generates sample cluster configurations based on key cluster attributes, including a side-by-side comparison of up to four cluster configurations. The tool also generates parts lists and cluster diagrams.

Documentation Conventions

The following conventions are standard for Intel® Omni-Path documentation:
• Note: provides additional information.
• Caution: indicates the presence of a hazard that has the potential of causing damage to data or equipment.
• Warning: indicates the presence of a hazard that has the potential of causing personal injury.
• Text in blue font indicates a hyperlink (jump) to a figure, table, or section in this guide. Links to websites are also shown in blue. For example:
See License Agreements on page 13 for more information.
For more information, visit www.intel.com.
• Text in bold font indicates user interface elements such as menu items, buttons, check boxes, key names, key strokes, or column headings. For example:
Click the Start button, point to Programs, point to Accessories, and then click Command Prompt.
Press CTRL+P and then press the UP ARROW key.
•
Text in Courier font indicates a file name, directory path, or command line text. For example:
Enter the following command: sh ./install.bin
• Text in italics indicates terms, emphasis, variables, or document titles. For example:
Refer to Intel® Omni-Path Fabric Software Installation Guide for details.
In this document, the term chassis refers to a managed switch.
®
Omni-Path Fabric—Preface
Intel
Procedures and information may be marked with one of the following qualifications:
• (Linux) – Tasks are only applicable when Linux* is being used.
• (Host) – Tasks are only applicable when Intel® Omni-Path Fabric Host Software or Intel® Omni-Path Fabric Suite is being used on the hosts.
Intel® Omni-Path Fabric Switches Hardware Installation Guide June 2019 12 Doc. No.: H76456, Rev.: 10.0
®
Preface—Intel
Omni-Path Fabric
• (Switch) – Tasks are applicable only when Intel® Omni-Path Switches or Chassis are being used.
• Tasks that are generally applicable to all environments are not marked.

Laser Safety Information

This product may use Class 1 laser optical transceivers to communicate over the fiber optic conductors. The U.S. Department of Health and Human Services (DHHS) does not consider Class 1 lasers to be hazardous. The International Electrotechnical Commission (IEC) 825 Laser Safety Standard requires labeling in English, German, Finnish, and French stating that the product uses Class 1 lasers. Because it is impractical to label the transceivers, the following label is provided in this manual.

Electrostatic Discharge Sensitivity (ESDS) Precautions

The assemblies used in the switch chassis are ESD sensitive. Observe ESD handling procedures when handling any assembly used in the switch chassis.

License Agreements

This software is provided under one or more license agreements. Please refer to the license agreement(s) provided with the software for specific detail. Do not install or use the software until you have carefully read and agree to the terms and conditions of the license agreement(s). By loading or using the software, you agree to the terms of the license agreement(s). If you do not wish to so agree, do not install or use the software.

Technical Support

Technical support for Intel® Omni-Path products is available 24 hours a day, 365 days a year. Please contact Intel Customer Support or visit http://www.intel.com/omnipath/
support for additional detail.
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Intel® Omni-Path Fabric Switches Hardware

1.0 Introduction

This manual describes the hardware installation and initial configuration tasks for the Intel® Omni-Path Switch 100 Series. This includes:
• Intel® Omni-Path Edge Switch 100 Series, 24 and 48-port configurable edge switches
• Intel® Omni-Path Director Class Switch 100 Series
This manual is organized as follows:
This Introduction describes the product safety information.
Installation describes the hardware installation and initial configuration tasks.
Appendix Q7 BIOS Update provides instructions for updating the Q7 BIOS on Edge and Director Class Switches.
Intel® Omni-Path Fabric—Introduction
1.1

Safety Information

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Introduction—Intel® Omni-Path Fabric

Statement 11.1.1

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Intel® Omni-Path Fabric Switches Hardware
Intel® Omni-Path Fabric—Introduction
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Introduction—Intel® Omni-Path Fabric

Statement 21.1.2

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Intel® Omni-Path Fabric—Introduction
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Introduction—Intel® Omni-Path Fabric

Statement 31.1.3

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Intel® Omni-Path Fabric—Introduction
1.1.4
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Statement 4

Introduction—Intel® Omni-Path Fabric
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Intel® Omni-Path Fabric Switches Hardware
Intel® Omni-Path Fabric—Introduction
1.1.5

Statement 5

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Introduction—Intel® Omni-Path Fabric
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Intel® Omni-Path Fabric Switches Hardware
Intel® Omni-Path Fabric—Introduction

Statement 61.1.6

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Introduction—Intel® Omni-Path Fabric

Statement 71.1.7

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Intel® Omni-Path Fabric—Introduction
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Introduction—Intel® Omni-Path Fabric
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Intel® Omni-Path Fabric Switches Hardware

2.0 Installation

This section describes how to install and configure for first-time use:
• The Intel® Omni-Path Fabric Series switches in a network environment.
Intel® Omni-Path Fabric—Installation
2.1

Planning the Installation

The Intel® Omni-Path switches are designed for installation in standard 19-inch equipment racks.
Racks should conform to conventional standards. Use the American National Standards Institute (ANSI)/Electronic Industries Association (EIA) standard ANSI/ EIA-310-D-92 and International Electrotechnical Commission (IEC) 297
Racks should meet the following mechanical recommendations:
• Four-post, 19" rack to facilitate easy maintenance
• Universal mounting rail hole pattern identified in IEC Standard 297
• Mounting holes flush with the rails to accommodate the chassis
NOTE
Operation is subject to the following conditions:
NOTE
Use a rack grounding kit and a ground conductor that is carried back to earth or to another suitable building ground. Ground the equipment rack to earth ground.
NOTE
Provide enough room to work on the equipment. Clear the work site of any unnecessary materials. Make sure the equipment will have enough clearance for front and rear access.
2.1.1
2.1.1.1
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Cable Requirements

Cable Distances
When planning the location of the switches, consider the distance limitations for signaling, EMI, and connector compatibility. It is recommended that the user does not exceed specified transmission rate and distance limits.
NOTE
When connecting the outer ports of two (2) 48-port Edge switches (highlighted green in Figure 1 below), make certain to use active optical cables (AOC) for distances greater than 2 meters.
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