Cisco Nexus 93108TC-FX3P Manuale

Cisco Nexus 93108TC-FX3P ACI-Mode Switch Hardware Installation

Guide

First Published: 2021-02-01

Last Modified: 2023-03-01

Americas Headquarters

Cisco Systems, Inc.

170 West Tasman Drive

San Jose, CA 95134-1706

USA

http://www.cisco.com

Tel: 408 526-4000

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 8

Rack and Cabinet Requirements 9

Clearance Requirements 9

Installing the Switch Chassis 11

CHAPTER 3

Safety 11

Installation Options with Rack-Mount Kits 14

Airflow Considerations 15

Installation Guidelines 15

Unpacking and Inspecting the Switch 16

Installing the Switch Using the NXK-ACC-KIT-1RU Rack-Mount Kit 16

Installing the Switch into a Two-Post Rack Using the NXK-ACC-KIT-1RU Rack-Mount Kit 20

Installing the Airflow Sleeve (N9K-AIRFLOW-SLV) 23

Grounding the Chassis 24

Cisco Nexus 93108TC-FX3P ACI-Mode Switch Hardware Installation Guide

iii

Starting the Switch 25

Connecting the Switch to the ACI Fabric 29

CHAPTER 4

ACI Fabric Topology 29

Preparing to Connect to Other Devices 30

Connecting Leaf Switches to APICs 31

Connecting Leaf Switches to Spine Switches 33

FEX Conversion and Support 34

Leaf to FEX Conversion 34

FEX to Leaf Conversion 35

New FEX Setup 35

Change an Existing Leaf in the Topology to FEX 35

Change an Existing FEX in the Topology to Leaf 35

Installing a Gigabit Ethernet module (GEM) 36

Migration of Nodes From a First Generation Switch to a Second Generation Switch 36

Setting Up an Optional Console Interface 38

Setting Up an Optional Management Connection 39

Maintaining Transceivers and Optical Cables 39

Replacing Components 41

CHAPTER 5

Replacing a Fan Module 41

Removing a Fan Module 41

Installing a Fan Module 42

Replacing a Power Supply Module 42

Replacing an AC Power Supply 42

Replacing a DC Power Supply 43

Rack Specifications 45

APPENDIX A

Overview of Racks 45

General Requirements for Cabinets and Racks 45

Requirements Specific to Standard Open Racks 46

Requirements Specific to Perforated Cabinets 46

Cable Management Guidelines 46

Cisco Nexus 93108TC-FX3P ACI-Mode Switch Hardware Installation Guide

Contents

System Specifications 47

APPENDIX B

Environmental Specifications 47

Switch Dimensions 47

Switch and Module Weights and Quantities 48

Transceiver and Cable Specifications 48

Switch Power Input Requirements 48

Power Specifications 49

715-W DC Power Supply Specifications 49

1100-W AC Power Supply Specifications 49

1900-W AC Power Supply Specifications 50

Power Cable Specifications 50

Power Cables for NXA-PAC-1100W Power Supplies 50

DC Power Cable Specifications 52

Regulatory Standards Compliance Specifications 52

LEDs 55

APPENDIX C

Switch Chassis LEDs 55

Fan Module LEDs 56

Power Supply LEDs 56

Additional Kits 59

APPENDIX D

Rack Mount Kit NXK-ACC-KIT-1RU 59

Airflow Sleeve 60

Cisco Nexus 93108TC-FX3P ACI-Mode Switch Hardware Installation Guide

Contents

Cisco Nexus 93108TC-FX3P ACI-Mode Switch Hardware Installation Guide

Contents

CHAPTER 1

Overview

•Overview, on page 1

Overview

The Cisco Nexus 93108TC-FX3P switch (N9K-C93108TC-FX3P, N9K-C93108TC-FX3H) is a 1-rack unit

(RU), fixed-port switch designed for spine-leaf-APIC deployment in data centers. PoE is supported on ports

1-48. This switch supports the following ports:

• 48 100M/1/2.5/5/10GBASE-T ports (ports 1-48).

• 6 40/100-Gigabit ports QSFP28 (ports 49-54)

• Two management ports (one 10/100/1000BASE-T port and one SFP port)

• One console port (RS-232)

• 1 USB port

This switch includes the following user-replaceable components:

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

• Port-side exhaust fan module with blue coloring (NXA-FAN-35CFM-PE)

• Port-side intake fan module with burgundy coloring (NXA-FAN-35CFM-PI)

Table 1: Fan Speeds for This Switch

Port-Side Exhaust

Fan Speed %

Port-Side Intake

Fan Speed %

70%50%Typical/Minimum

100%100%Maximum

Note

Cisco Nexus 93108TC-FX3P ACI-Mode Switch Hardware Installation Guide

Each fan module has two rotors. The switch can function normally if one rotor

inside the any one fan module fails. In case of more than one rotor failure, the

switch will issue a warning and power down in 2 minute.

Note

This switch runs with +1 redundancy mode, so that if one fan fails, the switch

can sustain operation. But if a 2nd fan fails, this switch is not designed to sustain

operation. Hence before waiting for major threshold temperature to be hit, the

switch will power down due to Powered-down due to fan policy trigger.

Note

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

choices:

• 715-W port-side intake DC power supply with blue coloring (NXA-PDC-715W-PI)

• 1100-W port-side exhaust AC power supply with blue coloring (NXA-PAC-1100W-PE)

• 1100-W port-side intake AC power supply with burgundy coloring (NXA-PAC-1100W-PI)

• 1900-W port-side intake AC power supply with burgundy coloring (NXA-PAC-1900W-PI)

The NXA-PDC-715W-PI power supply is only supported from Release 6.0.4 and

later.

Additional limitations when using the NXA-PDC-715W-PI power supply include

the following:

• SNMP query is not supported

• Power statistics and power redundancy policy are not supported

•show environment power command is not supported

• APIC display is not supported

• Syslog and faults are not supported and can be ignored

Note

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

Note

The details of the 1900-W power supply (NXA-PAC-1900W-PI) will not display

in the CLI show commands, until a working power source is connected to the

power supply.

Note

Cisco Nexus 93108TC-FX3P ACI-Mode Switch Hardware Installation Guide

Overview

This switch may present access issues if installed between switches with greater

chassis depth. Please consider this before installation.

Note

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

6 40/100-Gigabit QSFP28 ports3BCN, STS, ENV, and P LEDs1

48 100M/1/2.5/5/10GT ports2

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.

Management port (1—SFP optical port)4Fan modules (4) with slots

numbered from 1 (left) to 4 (right)

USB port (1)5Console port (1)2

Power supply modules (1 or 2) (AC power supplies shown)

with slots numbered 1 (left) and 2 (right)

6Management port (1—RJ-45

copper port)

The following figure shows the side of the chassis.

Cisco Nexus 93108TC-FX3P ACI-Mode Switch Hardware Installation Guide

Overview

Grounding pad3Screw holes for mounting brackets1

Depending on whether you plan to position the ports in a hot or cold aisle, you can order the fan and power

supply modules with port-side intake or port-side exhaust airflow. For port-side intake airflow, the fan and

power supplies have burgundy coloring. For port-side exhaust airflow, the fan and power supplies have blue

coloring.

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.

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 93108TC-FX3P ACI-Mode Switch Hardware Installation Guide

Overview

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