Cisco Nexus 9348D-GX2A Handbuch

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation

Guide

First Published: 2022-07-04

Americas Headquarters

Cisco Systems, Inc.

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San Jose, CA 95134-1706

USA

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800 553-NETS (6387)

Fax: 408 527-0883

CONTENTS

Overview 1

CHAPTER 1

Overview 1

Preparing the Site 5

CHAPTER 2

Temperature Requirements 5

Humidity Requirements 5

Altitude Requirements 5

Dust and Particulate Requirements 6

Minimizing Electromagnetic and Radio Frequency Interference 6

Shock and Vibration Requirements 7

Grounding Requirements 7

Planning for Power Requirements 7

Airflow Requirements 9

Rack and Cabinet Requirements 9

Clearance Requirements 10

Installing the Chassis 13

CHAPTER 3

Installation Options with Rack-Mount Kits 13

Install a Rack 13

Unpacking and Inspecting a New Switch 14

Planning How to Position the Chassis in the Rack 15

Installing the Chassis in a Four-Post Rack 15

Installing the Switch using the NXK-ACC-KIT2-2RU Rack-Mount Kit 16

Grounding the Chassis 22

Starting the Switch 24

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation Guide

iii

Connecting the Switch to the ACI Fabric 27

CHAPTER 4

ACI Fabric Topology 27

Preparing to Connect to Other Devices 28

Connecting Leaf Switches to APICs 29

Connecting Leaf Switches to Spine Switches 31

Installing a Gigabit Ethernet module (GEM) 32

Migration of Nodes From a First Generation Switch to a Second Generation Switch 32

Setting Up an Optional Console Interface 34

Setting Up an Optional Management Connection 35

Optic Transceiver Removal Using the Optics Extraction Tool 35

Maintaining Transceivers and Optical Cables 37

Replacing Components 39

CHAPTER 5

Replacing a Fan Module During Operations 39

Replacing a Power Supply Module 40

Removing an AC Power Supply 40

Installing an AC Power Supply 41

Rack Specifications 43

APPENDIX A

Overview of Racks 43

General Requirements for Cabinets and Racks 43

Requirements Specific to Standard Open Racks 44

Requirements Specific to Perforated Cabinets 44

Cable Management Guidelines 44

System Specifications 45

APPENDIX B

Environmental Specifications 45

Switch Dimensions 45

Switch and Module Weights and Quantities 46

Transceiver and Cable Specifications 46

Switch Power Input Requirements 46

Power Specifications 46

3200-W AC/HVDC Power Supply Specifications 47

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation Guide

Contents

3200-W DC/HVDC Power Supply Specifications 47

Power Cable Specifications 47

Power Cables for NXA-PAC-3200W Power Supplies 48

Regulatory Standards Compliance Specifications 48

LEDs 51

APPENDIX C

Switch Chassis LEDs 51

Fan Module LEDs 51

Power Supply LEDs 51

Additional Kits 53

APPENDIX D

Rack Mount Kit NXK-ACC-KIT2-2RU 53

Accessory Kit NXA-ACC-QDD-DC 54

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation Guide

Contents

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation Guide

Contents

CHAPTER 1

Overview

•Overview, on page 1

Overview

The Cisco Nexus 9348D-GX2A switch (N9K-C9348D-GX2A) is a 2-rack unit (RU), fixed-port switch designed

for spine-leaf-APIC deployment in data centers.

This switch includes the following ports:

• 400-Gigabit QSFP-DD ports (48)

• 10-Gigabit SFP+ ports (2)

• Management ports (one RJ-45 port and one SFP port)

• Console port

• USB port

Dust covers (NXA-ACC-QDD-DC) are suggested for unused ports, to protect the connectors and help

divert airflow for thermal dispensation.

Note

Default switch role and default port-profile information for this switch:

• The default switch role: 48 x 400/100/40G + 2 x 1/10G as ACI leaf or ACI Spine (default)

• Default port profile (Leaf): 36 downlinks and 12 fabric links + 2x1/10G downlinks

This switch includes the following high power optics and MACsec:

• Up to 48 ports of MACsec with 24 ports of 20-W optics

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation Guide

For this switch, 24 ports of 20-W optics, and 48 ports of MACsec, can be

supported either individually or together. And this 24 ports of 20-W optics

can go in the following 24 ports only: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33,

36, 39, 42, 45, 48, 26, 29, 32, 35, 38, 41, and 47.

Note

This switch includes the following user-replaceable components:

• Fan modules (four) with the following airflow choices:

• Port-side intake fan module with burgundy coloring (NXA-FAN-160CFM-PI)

If a fan fails, the other fans are automatically increased to 100% capacity

to compensate. If two fans fail, then multi fan failure policy kicks in, the

switch will issue a warning, and power down in 2 minutes.

Note

• Power supply modules (two—One for operations and one for redundancy [1+1]) with the following

choices:

• 3200-W port-side intake AC/HVDC power supply with burgundy coloring (NXA-PAC-3200W-PI)

• 3200-W port-side intake DC/HVDC power supply with burgundy coloring (NXA-PDC-3200W-PI)

Both power supplies are the same type. Do not mix AC, and DC, power

supplies.

Note

All fan modules and power supplies must use the same airflow direction.

Note

The following figure shows the switch features on the port side of the chassis.

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation Guide

Overview

USB port (1)4SFP optical management

port (1)

10-Gigabit SFP+ ports (2)5Console port (1)2

400-Gigabit QSFP-DD

ports (48)

6RJ-45 copper

management port (1)

To determine which transceivers, adapters, and cables are support this switch, see the Cisco Transceiver

Modules Compatibility Information document.

The following figure shows the switch features on the power supply side of the chassis.

Power supply modules (1

or 2) (AC power supplies

shown) with slots

numbered 1 (top) and 2

(bottom)

2Fan modules (4) with slots

numbered from 1 (left) to

4 (right)

The following figure shows the side of the chassis.

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation Guide

Overview

Grounding pad1

The fan and power supply modules are field replaceable. You can replace one fan module or one power supply

module during operations so long as the other modules are installed and operating. If you have only one power

supply installed, you can install the replacement power supply in the open slot before removing the original

power supply.

All fan and power supply modules must have the same direction of airflow. Otherwise, the switch can

overheat and shut down. If you are installing a dual-direction power supply, that module automatically

uses the same airflow direction as the other modules in the switch.

Note

If the switch has port-side intake airflow (burgundy coloring for fan modules), you must locate the ports

in the cold aisle. If the switch has port-side exhaust airflow (blue coloring for fan modules), you must

locate the ports in the hot aisle. If you locate the air intake in a hot aisle, the switch can overheat and

shut down.

Caution

Cisco Nexus 9348D-GX2A ACI-Mode Switch Hardware Installation Guide

Overview

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