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Mellanox Technologies SB7890 - User Manual

Mellanox Technologies SB7890
101 pages
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Mellanox Technologieswww.mellanox.com
Mellanox 1U EDR 100Gb/s
InfiniBand Switch Systems and IB
Router
Hardware User Manual
Models: SB7700/SB7790/SB7800/SB7890/SB7780
Rev. 1.7

Table of Contents

Other manuals for Mellanox Technologies SB7890

Questions and Answers

  • W
    wilcoxcalebAug 9, 2025
    Why is the System Status LED red on my Mellanox Technologies SB7890?
    • S
      Steven EscobarAug 9, 2025
      If the System Status LED on your Mellanox Technologies Switch is red, it indicates a critical system fault such as a CPU error, bad firmware, or over temperature. Ensure that the environmental conditions, such as room temperature, are within the recommended operating range.
  • T
    Tony AcevedoAug 17, 2025
    What to do if the Front PSU Status LED is red on Mellanox Technologies Switch?
    • C
      Casey RobbinsAug 17, 2025
      If the Front PSU Status LED on your Mellanox Technologies Switch is red, check and replace the power cable. If the issue persists, replace the PSU.
  • P
    Patrick GrossAug 25, 2025
    What to do if the Fan Status LED is red on Mellanox Technologies SB7890 Switch?
    • P
      pattersonfeliciaAug 25, 2025
      If the Fan Status LED is red on your Mellanox Technologies Switch, ensure the fan is fully inserted and that nothing is blocking the airflow. If the problem continues, replace the FAN FRU.
  • J
    Joel McbrideAug 31, 2025
    How to fix Mellanox Technologies SB7890 Switch if the System Status LED is blinking?
    • R
      Ricky ThomasAug 31, 2025
      If the System Status LED is blinking for more than 5 minutes on your Mellanox Technologies Switch, connect to the system via the console port and check the software status. If the MLNX-OS software did not load properly, you might need to contact an FAE.

Summary

Chapter 1 Introduction to Mellanox SB77 X0;SB78 X0 Switch Systems and SB7780 InfinBand Router

1.1 Overview

General introduction to the switch systems and router.

1.2 Speed and Switching

Details on system throughput and interface speeds.

1.3 Management Interfaces and FRUs

Lists management interfaces and field-replaceable units.

Chapter 2 Installation

2.1 Safety Warnings

Critical safety instructions for installation.

2.2 Air Flow

Guidelines on proper airflow for system operation.

2.4.1 19” Systems Mounting - Static Rail-Kit

Instructions for static rail-kit installation.

2.4.2 19” Systems Mounting- Telescopic Rail-Kit

Instructions for telescopic rail-kit installation.

2.6 Initial Power On

Steps for the first power-up of the system.

2.7 System Bring-Up of Managed Systems

Process for bringing managed systems online.

2.7.1 Configuring Network Attributes

Steps to configure network settings.

2.7.2 Remote Connection

How to establish remote system access.

Chapter 3 Software Management

3.1 InfiniBand Subnet Manager

Overview of the InfiniBand Subnet Manager.

3.3 Upgrading Software (on Managed Systems)

Guide for upgrading system software.

Chapter 4 Interfaces

4.1 Supported Interfaces

Lists all supported interfaces on the systems.

4.2 LEDs

Explanation of system LEDs for status indication.

Chapter 5 Troubleshooting

5.1 Troubleshooting Instructions

Guide to diagnosing and resolving common issues.

Chapter 6 Specifications

6.1 SB77 X0;SB78 X0 Series

Technical specifications for the system series.

Appendix C Interface Specifications

Appendix D Disassembly and Disposal

Mellanox Technologies SB7890 Specifications

General IconGeneral
BrandMellanox Technologies
ModelSB7890
CategorySwitch
LanguageEnglish

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