Cisco Nexus 9336C-FX2, N9K-C9336C-FX2 Hardware Installation Manual

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

First Published: 2018-03-12

Last Modified: 2018-11-01

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Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: [phone]

800 553-NETS (6387)

Fax: [phone]

©

2018 Cisco Systems, Inc. All rights reserved.

CONTENTS

PREFACE

CHAPTER 1

CHAPTER 2

Preface vii

Audience vii

Documentation Conventions vii

Documentation Feedback viii

Obtaining Documentation and Submitting a Service Request viii

Overview 1

Overview 1

Preparing the Site 5

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

CHAPTER 3

Grounding Requirements 7

Planning for Power Requirements 7

Airflow Requirements 9

Rack and Cabinet Requirements 9

Clearance Requirements 10

Installing the Switch Chassis 11

Safety 11

Installation Options with Rack-mount Kits, Racks, and Cabinets 12

Airflow Considerations 12

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

iii

Contents

Installation Guidelines 12

Unpacking and Inspecting the Switch 14

Installing the Switch using the NXK-ACC-KIT-1RU Rack-mount Kit 15

Installing the Switch using the N3K-C3064-ACC-KIT Rack-mount Kit 18

Grounding the Chassis 22

Starting the Switch 23

CHAPTER 4

CHAPTER 5

APPENDIX A

Connecting the Switch to the Network 25

Overview of Network Connections 25

Connecting a Console to the Switch 25

Creating the Initial Switch Configuration 27

Setting Up the Management Interface 28

Replacing Components 29

Replacing a Fan Module 29

Removing a Fan Module 29

Installing a Fan Module 30

Replacing a Power Supply Module 31

Replacing an AC Power Supply 31

Replacing a High Voltage (HVAC/HVDC) Power Supply 32

Replacing a DC Power Supply 34

Rack Specifications 37

Overview of Racks 37

APPENDIX B

iv

General Requirements for Cabinets and Racks 37

Requirements Specific to Standard Open Racks 38

Requirements Specific to Perforated Cabinets 38

Cable Management Guidelines 38

System Specifications 39

Environmental Specifications 39

Switch Dimensions 39

Switch and Module Weights and Quantities 40

Transceiver and Cable Specifications 40

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

Switch Power Input Requirements 40

Power Specifications 41

1100-W AC Power Supply Specifications 41

1100-W HVAC/HVDC Power Supply Specifications 42

1100-W DC Power Supply Specifications 42

Power Cable Specifications 43

AC Power Cables Supported by NX-OS Mode Switches 43

DC Power Cable Specifications 44

Regulatory Standards Compliance Specifications 44

Contents

APPENDIX C

APPENDIX D

APPENDIX E

LEDs 47

Switch Chassis LEDs 47

Lane Link LEDs 48

Fan Module LEDs 48

Power Supply LEDs 48

Additional Kits 51

Rack Mount Kit NXK-ACC-KIT-1RU 51

Rack Mount Kit N3K-C3064-ACC-KIT 51

Site Preparation and Maintenance Records 53

Site Preparation Checklist 53

Contact and Site Information 54

Chassis and Module Information 55

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

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Contents

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

vi

Preface

• Audience, on page vii

• Documentation Conventions, on page vii

• Documentation Feedback, on page viii

• Obtaining Documentation and Submitting a Service Request, on page viii

Audience

This publication is for hardware installers and network administrators who install, configure, and maintain
Cisco Nexus switches.

Documentation Conventions

Command descriptions use the following conventions:

bold

DescriptionConvention

Bold text indicates the commands and keywords that you enter literally
as shown.

Italic

[x | y]

{x | y}

[x {y | z}]

variable

Italic text indicates arguments for which the user supplies the values.

Square brackets enclose an optional element (keyword or argument).[x]

Square brackets enclosing keywords or arguments separated by a vertical
bar indicate an optional choice.

Braces enclosing keywords or arguments separated by a vertical bar
indicate a required choice.

Nested set of square brackets or braces indicate optional or required
choices within optional or required elements. Braces and a vertical bar
within square brackets indicate a required choice within an optional
element.

Indicates a variable for which you supply values, in context where italics
cannot be used.

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vii

Documentation Feedback

Preface

DescriptionConvention

string

Examples use the following conventions:

italic screen font

!, #

Documentation Feedback

To provide technical feedback on this document, or to report an error or omission, please send your comments
to [e-mail]. We appreciate your feedback.

A nonquoted set of characters. Do not use quotation marks around the
string or the string will include the quotation marks.

DescriptionConvention

Terminal sessions and information the switch displays are in screen font.screen font

Information you must enter is in boldface screen font.boldface screen font

Arguments for which you supply values are in italic screen font.

Nonprinting characters, such as passwords, are in angle brackets.< >

Default responses to system prompts are in square brackets.[ ]

An exclamation point (!) or a pound sign (#) at the beginning of a line
of code indicates a comment line.

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service
request, and gathering additional information, see What's New in Cisco Product Documentation, at:

https://www.cisco.com/warp/public/687/Directory/DirTAC.shtml.

Subscribe to What's New in Cisco Product Documentation, which lists all new and revised Cisco technical
documentation as an RSS feed and delivers content directly to your desktop using a reader application. The
RSS feeds are a free service.

viii

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

Overview

CHAPTER 1

Overview

• Overview, on page 1

The Cisco Nexus 9336C-FX2 switch (N9K-C9336C-FX2) is a 1-RU, fixed-port switch designed for deployment
in data centers. This switch has 36 40/100-Gigabit QSFP28 ports. All of the ports support breakout and
10-Gigabit with a QSA adapter. All of the ports also support 1-Gigabit with a QSA adapter except ports 1-6
and ports 33-36.

To determine how these ports are used and configured, see the Cisco Nexus 9000 Series NX-OS Interfaces

Configuration Guide.

To determine which transceivers, adapters, and cables this switch supports, see the Cisco Transceiver Modules

Compatibility Information document.

This switch includes the following user-replaceable components:

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

• Port-side exhaust airflow with blue coloring (NXA-FAN-65CFM-PE)

• Port-side intake airflow with burgundy coloring (NXA-FAN-65CFM-PI)

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

• 1100-W AC power supply with port-side exhaust airflow (blue coloring) (NXA-PAC-1100W-PE2)

• 1100-W AC power supply with port-side intake airflow (burgundy coloring) (NXA-PAC-1100W-PI2)

• 1100-W HVAC/HVDC power supply with port-side exhaust airflow (blue coloring)
(NXA-PHV-1100W-PE)

• 1100-W HVAC/HVDC power supply with port-side intake airflow (burgundy coloring)
(NXA-PHV-1100W-PI)

• 1100-W DC power supply with port-side exhaust airflow (blue coloring) (NXA-PDC-1100W-PE)

• 1100-W DC power supply with port-side intake airflow (burgundy coloring) (NXA-PDC-1100W-PI)

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Overview

Note

Both power supplies should use the same type of power source. Do not mix AC
and DC power sources.

Note

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

The following figure shows the hardware features seen from the port side of the chassis.

Figure 1: Port Side View of the Cisco Nexus 9336C-FX2 Switch

Overview

36 ports that can be

1

[ENV])

4Chassis LEDs (Beacon [BCN], Status [STS], and Environment

configured differently for
uplink and downlink
connections

Screw holes (6) for attaching

5Lane selector LEDs2

rack mounting brackets.

Screw holes (2) for attaching

6Lane selection button3

grounding lug.

The following figure shows the hardware features seen from the power supply side of the chassis.

Figure 2: Power Supply Side View of the Cisco Nexus 9336C-FX2 Switch

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

2

Overview

Three fan modules with fan slot 1 on the left and

6Out-of-band management port (SFP port)1

fan slot 3 on the right

Chassis LEDs (Beacon [BCN] and Status [STS])7Console port (RS232 port)2

Screw holes (6) for attaching rack mounting

8Out-of-band management port (RJ-45 port)3

brackets

Screw holes (2) for attaching grounding lug.9USB port used for saving or copying functions4

Two power supplies (one used for operations and

5

one used for redundancy) (AC power supplies
shown) with power supply slot 1 on the left and
slot 2 on the right

Note

USB support is limited to USB 2.0 devices that use less than 2.5 W (less than 0.5 A inclusive of surge current).
Devices, such as external hard drives, that instantaneously draw more than 0.5 A are not supported.

Overview

Note

Caution

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 (burgundy colored) or port-side exhaust (blue colored) airflow. All of
the power supply and fan modules must have the same coloring.

The fan and power supply modules are field replaceable and 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 of the fan and power supply modules must have the same direction of airflow. Otherwise, the switch can
overheat and shut down.

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.

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

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Overview

Overview

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

4

Preparing the Site

• Temperature Requirements, on page 5

• Humidity Requirements, on page 5

• Altitude Requirements, on page 5

• Dust and Particulate Requirements, on page 6

• Minimizing Electromagnetic and Radio Frequency Interference, on page 6

• Shock and Vibration Requirements, on page 7

• Grounding Requirements, on page 7

• Planning for Power Requirements, on page 7

• Airflow Requirements, on page 9

• Rack and Cabinet Requirements, on page 9

• Clearance Requirements, on page 10

Temperature Requirements

The switch requires an operating temperature of 32 to 104 degrees Fahrenheit (0 to 40 degrees Celsius). If
the switch is not operating, the temperature must be between –40 to 158 degrees Fahrenheit (–40 to 70 degrees
Celsius).

CHAPTER 2

Humidity Requirements

High humidity can cause moisture to enter the switch. Moisture can cause corrosion of internal components
and degradation of properties such as electrical resistance, thermal conductivity, physical strength, and size.
The switch is rated to withstand from 5- to 95-percent (non-condensing) relative humidity.

Buildings in which the climate is controlled by air-conditioning in the warmer months and by heat during the
colder months usually maintain an acceptable level of humidity for the switch equipment. However, if the
switch is located in an unusually humid location, you should use a dehumidifier to maintain the humidity
within an acceptable range.

Altitude Requirements

This switch is rated to operate at altitudes from 0 to 10,000 feet (0 to 3,048 meters). If you operate this switch
at a higher altitude (low pressure), the efficiency of forced and convection cooling is reduced and can result

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

5

Dust and Particulate Requirements

in electrical problems that are related to arcing and corona effects. This condition can also cause sealed
components with internal pressure, such as electrolytic capacitors, to fail or to perform at a reduced efficiency.

Dust and Particulate Requirements

Exhaust fans cool power supplies and system fans cool switches by drawing in air and exhausting air out
through various openings in the chassis. However, fans also ingest dust and other particles, causing contaminant
buildup in the switch and increased internal chassis temperature. A clean operating environment can greatly
reduce the negative effects of dust and other particles, which act as insulators and interfere with the mechanical
components in the switch.

In addition to regular cleaning, follow these precautions to avoid contamination of your switch:

• Do not permit smoking near the switch.

• Do not permit food or drink near the switch.

Preparing the Site

Minimizing Electromagnetic and Radio Frequency Interference

Electromagnetic interference (EMI) and radio frequency interference (RFI) from the switch can adversely
affect other devices, such as radio and television (TV) receivers, operating near the switch. Radio frequencies
that emanate from the switch can also interfere with cordless and low-power telephones. Conversely, RFI
from high-power telephones can cause spurious characters to appear on the switch monitor.

RFI is defined as any EMI with a frequency above 10 kHz. This type of interference can travel from the switch
to other devices through the power cable and power source or through the air as transmitted radio waves. The
Federal Communications Commission (FCC) publishes specific regulations to limit the amount of EMI and
RFI that can be emitted by computing equipment. Each switch meets these FCC regulations.

To reduce the possibility of EMI and RFI, follow these guidelines:

• Cover all open expansion slots with a blank filler plate.

• Always use shielded cables with metal connector shells for attaching peripherals to the switch.

When wires are run for any significant distance in an electromagnetic field, interference can occur between
the field and the signals on the wires with the following implications:

• Bad wiring can result in radio interference emanating from the plant wiring.

• Strong EMI, especially when it is caused by lightning or radio transmitters, can destroy the signal drivers
and receivers in the chassis and even create an electrical hazard by conducting power surges through
lines into equipment.

Note

To predict and prevent strong EMI, you might need to consult experts in radio frequency interference (RFI).

The wiring is unlikely to emit radio interference if you use twisted-pair cable with a good distribution of
grounding conductors. If you exceed the recommended distances, use a high-quality twisted-pair cable with
one ground conductor for each data signal when applicable.

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Preparing the Site

Shock and Vibration Requirements

Caution

If the wires exceed the recommended distances, or if wires pass between buildings, give special consideration
to the effect of a lightning strike in your vicinity. The electromagnetic pulse caused by lightning or other
high-energy phenomena can easily couple enough energy into unshielded conductors to destroy electronic
switches. You might want to consult experts in electrical surge suppression and shielding if you had similar
problems in the past.

Shock and Vibration Requirements

The switch has been shock- and vibration-tested for operating ranges, handling, and earthquake standards.

Grounding Requirements

The switch is sensitive to variations in voltage supplied by the power sources. Overvoltage, undervoltage,
and transients (or spikes) can erase data from memory or cause components to fail. To protect against these
types of problems, ensure that there is an earth-ground connection for the switch. You can connect the grounding
pad on the switch either directly to the earth-ground connection or to a fully bonded and grounded rack.

When you properly install the chassis in a grounded rack, the switch is grounded because it has a metal-to-metal
connection to the rack. Alternatively, you can ground the chassis by using a customer-supplied grounding
cable that meets your local and national installation requirements (we recommend 6-AWG wire for U.S.
installations) connected to the chassis with a grounding lug (provided in the switch accessory kit) and to the
facility ground.

Note

You automatically ground AC power supplies when you connect them to AC power sources. For DC power
supplies, you must connect a grounding wire when wiring the power supply to the DC power source.

Planning for Power Requirements

The switch includes two power supplies (1-to-1 redundancy with current sharing) in one of the following
combinations:

• Two 1100-W AC power supplies

• Two 1100-W DC power supplies

• Two 1100-W HVAC/HVDC power supplies

Note

Both power supplies must be the same type. Do not mix AC and DC power supplies in the same chassis.

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Planning for Power Requirements

Note

For n+1 redundancy, you can use one or two power sources for the two power supplies. For n+n redundancy,
you must use two power sources and connect each power supply to a separate power source.

The power supplies are rated to output up to 1100 W, but the switch requires less than those amounts of power
from the power supply. To operate the switch you must provision enough power from the power source to
cover the requirements of both the switch and a power supply. Typically, this switch and a power supply
require about 367 W of power input from the power source, but you must provision as much as 777 W power
input from the power source to cover peak demand.

Note

Some of the power supply modules have Underwriter Labs (UL) rating capabilities that exceed the switch
requirements. When calculating power requirements, use the switch requirements to determine the amount
of power required for the power supplies.

To minimize the possibility of circuit failure, make sure that each power-source circuit used by the switch is
dedicated to the switch.

Preparing the Site

Note

Warning

Note

Warning

For AC input application, please refer to the statement below:

Statement 1005—Circuit Breaker

This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the
protective devices are rated not greater than 20A (North America), 16A (Europe), and 13A (UK).

For DC input application, please refer to the statement below:

Statement 1005—Circuit Breaker

This product relies on the building's installation for short-circuit (overcurrent) protection.

• Ensure that the protective devices are rated not greater than 40A when the switch is powered with regular
DC power supplies (rated 48-60VDC).

• Ensure that the protective devices are rated not greater than 10A when the switch is powered with HVDC
power supplies (rated 240-350VDC).

Note

For the power cables to use with the power supplies, see Power Cable Specifications, on page 43.

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Preparing the Site

Airflow Requirements

The switch is designed to be positioned with its ports in either the front or the rear of the rack depending on
your cabling and maintenance requirements. Depending on which side of the switch faces the cold aisle, you
must have fan and power supply modules that move the coolant air from the cold aisle to the hot aisle in one
of the following ways:

• Port-side exhaust airflow—Coolant air enters the chassis through the fan and power supply modules in
the cold aisle and exhausts through the port end of the chassis in the hot aisle.

• Port-side intake airflow—Coolant air enters the chassis through the port end in the cold aisle and exhausts
through the fan and power supply modules in the hot aisle.

You can identify the airflow direction of each fan and power supply module by its coloring as follows:

• Blue coloring indicates port-side exhaust airflow.

• Burgundy coloring indicates port-side intake airflow.

Airflow Requirements

Note

To prevent the switch from overheating and shutting down, you must position the air intake for the switch in
a cold aisle, and all of the fan and power supply modules must have the same direction of airflow (even if
their coloring is different). If you must change the airflow direction for the switch, you must shutdown the
switch before changing the modules.

Rack and Cabinet Requirements

You can install the following types of racks or cabinets for your switch:

• Standard perforated cabinets

• Solid-walled cabinets with a roof fan tray (bottom-to-top cooling)

• Standard open four-post Telco racks

Work with your cabinet vendors to determine which of their cabinets meet the following requirements or see
the Cisco Technical Assistance Center (TAC) for recommendations:

• Use a standard 19-inch (48.3-cm), four-post Electronic Industries Alliance (EIA) cabinet or rack with
mounting rails that conform to English universal hole spacing per section 1 of the ANSI/EIA-310-D-1992
standard.

• The depth of a four-post rack must be 24 to 32 inches (61.0 to 81.3 cm) between the front and rear
mounting rails (for proper mounting of the bottom-support brackets or other mounting hardware).

Additionally, you must have power receptacles located within reach of the power cords used with the switch.

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Clearance Requirements

Preparing the Site

Warning

Statement 1048—Rack Stabilization

Stability hazard. The rack stabilizing mechanism must be in place, or the rack must be bolted to the floor
before you slide the unit out for servicing. Failure to stabilize the rack can cause the rack to tip over.

Clearance Requirements

You must provide the chassis with adequate clearance between the chassis and any other rack, device, or
structure so that you can properly install the chassis, route cables, provide airflow, and maintain the switch.
For the clearances required for an installation of this chassis in a four-post rack, see the following figure.

Depth of the chassis5Chassis1

Maximum extension of the bottom-support rails6Vertical rack-mount posts and rails2

Depth of the front clearance area (this equals the

7Chassis width3

depth of the chassis)

Width of the front clearance area (this equals the

4

width of the chassis with two rack-mount
brackets attached to it)

Note

Both the front and rear of the chassis must be open to both aisles for airflow.

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Safety

CHAPTER 3

Installing the Switch Chassis

• Safety, on page 11

• Installation Options with Rack-mount Kits, Racks, and Cabinets, on page 12

• Airflow Considerations, on page 12

• Installation Guidelines, on page 12

• Unpacking and Inspecting the Switch, on page 14

• Installing the Switch using the NXK-ACC-KIT-1RU Rack-mount Kit, on page 15

• Installing the Switch using the N3K-C3064-ACC-KIT Rack-mount Kit, on page 18

• Grounding the Chassis, on page 22

• Starting the Switch, on page 23

Before you install, operate, or service the switch, see the Regulatory, Compliance, and Safety Information for
the Cisco Nexus 3000 and 9000 Series for important Safety Information.

Warning

Warning

Statement 1071—Warning Definition

IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work
on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard
practices for preventing accidents. Use the statement number provided at the end of each warning to locate
its translation in the translated safety warnings that accompanied this device.

SAVE THESE INSTRUCTIONS

Statement 1017—Restricted Area

This unit is intended for installation in restricted access areas. A restricted access area can be accessed only
through the use of a special tool, lock and key, or other means of security.

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Installation Options with Rack-mount Kits, Racks, and Cabinets

Installing the Switch Chassis

Warning

Statement 1030—Equipment Installation

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Installation Options with Rack-mount Kits,Racks, and Cabinets

The rack-mount kit enables you to install the switch into racks of varying depths. You can use the rack-mount
kit parts to position the switch with easy access to either the port connections end of the chassis or the end of
the chassis with the fan and power supply modules.

You can install the switch using the following rack-mount options:

• Rack-mount kit (NXK-ACC-KIT-1RU) which you can order from Cisco. This option offers you easy
installation, greater stability, increased weight capacity, added accessibility, and improved removability
with front and rear removal.

• Rack-mount kit (N3K-C3064-ACC-KIT) which you can order from Cisco

You can install the switch in the following types of racks:

• Open EIA rack

• Perforated EIA cabinet

The rack or cabinet that you use must meet the requirements listed in General Requirements for Cabinets and

Racks, on page 37.

Airflow Considerations

The switch comes with fan and power supply modules that have either port-side intake or port-side exhaust
airflow for cooling the switch. If you are positioning the port end of the switch in a cold aisle, make sure that
the switch has port-side intake fan modules with burgundy coloring. If you are positioning the fan and power
supply modules in a cold aisle, make sure that the switch has port-side exhaust fan modules with blue colorings.
All fan modules must have the same direction of airflow.

Installation Guidelines

When installing the switch, follow these guidelines:

• Ensure that there is adequate clearance space around the switch to allow for servicing the switch and for
adequate airflow.

• Ensure that the chassis can be adequately grounded. If the switch is not mounted in a grounded rack, we
recommend connecting the system ground on the chassis directly to an earth ground.

• Ensure that the site power meets the power requirements for the switch. If available, you can use an
uninterruptible power supply (UPS) to protect against power failures.

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Installing the Switch Chassis

Installation Guidelines

Caution

Avoid UPS types that use ferroresonant technology. These UPS types can become
unstable with the switch, which can have substantial current draw fluctuations
because of fluctuating data traffic patterns.

• Ensure that circuits are sized according to local and national codes. Typically, this often requires one or
both of the following:

• AC power supplies typically require at least a 15-A or 20-A AC circuit, 100 to 240 VAC, and a
frequency of 50 to 60 Hz.

• HVAC/HVDC power supplies require the following:

• HVAC input voltage range of 100 to 277 VAC with a frequency of 50 to 60 Hz

• HVDC input voltage range of -240 to -380 VDC

Caution

To prevent loss of input power, ensure the total maximum loads on the circuits
supplying power to the switch are within the current ratings for the wiring and
breakers.

Note

For AC input application, please refer to the statement below:

Warning

Note

Warning

Statement 1005—Circuit Breaker

This product relies on the building's installation for short-circuit (overcurrent)
protection. Ensure that the protective devices is rated not greater than 20A (North
America), 16A (Europe), and 13A (UK).

For DC input application, please refer to the statement below:

Statement 1005—Circuit Breaker

This product relies on the building's installation for short-circuit (overcurrent)
protection. Ensure that the protective devices is rated not greater than 40A for
the regular DC power supplies (rated 48-60VDC) and 10A for the HVDC power
supplies.

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Installing the Switch Chassis

Unpacking and Inspecting the Switch

Unpacking and Inspecting the Switch

Before you install the switch, be sure to unpack and inspect the switch for damage or missing components.
If anything is missing or damaged, contact your customer service representative immediately.

Tip

Keep the shipping container in case the chassis requires shipping at a later time.

Before you begin

Before you unpack the switch and before you handle any switch components, be sure that you are wearing a
grounded electrostatic discharge (ESD) strap. To ground the strap, attach it directly to an earth ground or to
a grounded rack or grounded chassis (there must be a metal-to-metal connection to the earth ground).

Step 1 Compare the shipment to the equipment list provided by your customer service representative and verify that you have

received all items, including the following:

• Accessory Kit

Note

Step 2 Check for damage and report any discrepancies or damage to your customer service representative. Have the following

information ready:

Step 3 Check to be sure that each of the power supply and the fan tray modules have the expected direction of airflow as follows:

Note

For the contents of these kits, see the Additional Kits.

• Invoice number of shipper (see packing slip)

• Model and serial number of the damaged unit

• Description of damage

• Effect of damage on the installation

• Port-side intake airflow modules

• Burgundy (fan modules and power supplies)

• Port-side exhaust airflow modules

• Blue (fan modules and power supplies)

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

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Installing the Switch Chassis

Installing the Switch using the NXK-ACC-KIT-1RU Rack-mount Kit

Installing the Switch using the NXK-ACC-KIT-1RU Rack-mount
Kit

To install the switch, you must attach front and rear mounting brackets to the switch, install slider rails on the
rear of the rack, slide the switch onto the slider rails, and secure the switch to the front of the rack. Typically,
the front of the rack is the side easiest to access for maintenance.

Note

You must supply the eight 10-32 or 12-24 screws required to mount the slider rails and switch to the rack.

Before you begin

• You have inspected the switch shipment to ensure that you have everything ordered.

• Make sure that the switch rack-mount kit includes the following parts:

• Front rack-mount brackets (2)

• Rear rack-mount brackets (2)

• Slider rails (2)

• M4 x 0.7 x 8-mm Phillips countersink screws (12)

• The rack is installed and secured to its location.

Step 1 Install two front rack-mount brackets and the two rear rack-mount brackets to the switch as follows:

a) Determine which end of the chassis is to be located in the cold aisle as follows:

• If the switch has port-side intake modules (fan modules with burgundy coloring), position the switch so that its
ports will be in the cold aisle.

• If the switch has port-side exhaust modules (fan modules with blue coloring), position the switch so that its fan
and power supply modules will be in the cold aisle.

b) Position the front rack-mount bracket and the rear rack-mount bracket so that its screw holes are aligned to the screw

holes on the side of the chassis.

Note

You can align the holes in the rack-mount bracket to the holes on the side of the chassis (see the two ways
to mount these brackets on a typical chassis, in following figure). The holes that you use depend on the
requirements of your rack and the amount of clearance required for interface cables (3 inches [7.6 mm]
minimum) and module handles (1 inch [2.5 mm] minimum).

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

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Installing the Switch using the NXK-ACC-KIT-1RU Rack-mount Kit

Installing the Switch Chassis

c) Secure the front-mount bracket and the back-mount bracket to the chassis using four M4 screws and tighten each

screw to 12 in-lb (1.36 N·m) of torque.

d) Repeat Step 1 for the other front rack-mount bracket and the other back-mount bracket on the other side of the switch

and be sure to position that bracket the same distance from the front of the switch.

Note

Depending on the chassis depth, the back rack-mount bracket may not fit. In that case the back rack-mount
bracket is not needed.

Step 2 If you are not installing the chassis into a grounded rack, you must attach a customer-supplied grounding wire to the

chassis as explained in Grounding the Chassis, on page 22. If you are installing the chassis into a grounded rack, you
can skip this step.

Step 3 Install the slider rails on the rack or cabinet as follows:

a) Determine which two posts of the rack or cabinet you should use for the slider rails. Of the four vertical posts in the

rack or cabinet, two will be used for the front mount brackets attached to the easiest accessed end of the chassis, and
the other two posts will have the slider rails.

b) Position a slider rail at the desired level on the back side of the rack and use 12-24 screws or 10-32 screws, depending

on the rack thread type, to attach the rails to the rack (see the following figure). Tighten 12-24 screws to 30 in-lb
(3.39 N·m) of torque and tighten 10-32 screws to 20 in-lb (2.26 N·m) of torque.

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Installing the Switch Chassis

c) Repeat Step 3 to attach the other slider rail to the other side of the rack.

Installing the Switch using the NXK-ACC-KIT-1RU Rack-mount Kit

To make sure that the slider rails are at the same level, you should use a level tool, tape measure, or carefully count
the screw holes in the vertical mounting rails.

Step 4 Insert the switch into the rack and attach it as follows:

a) Holding the switch with both hands, position the two rear rack-mount brackets on the switch between the rack or

cabinet posts that do not have slider rails attached to them (see the following figure).

b) Align the two rear rack-mount guides on either side of the switch with the slider rails installed in the rack. Slide the

rack-mount guides onto the slider rails, and then gently slide the switch all the way into the rack until the front
rack-mount brackets come in contact with two rack or cabinet posts.

c) Holding the chassis level, insert screws (12-24 or 10-32, depending on the rack type) in each of the two front rack-mount

brackets (using a total of six screws) and into the cage nuts or threaded holes in the vertical rack-mounting rails (see
the following figure).

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Installing the Switch using the N3K-C3064-ACC-KIT Rack-mount Kit

d) Tighten the 10-32 screws to 20 in-lb (2.26 N·m) or tighten the 12-24 screws to 30 in-lb (3.39 N·m).

Installing the Switch Chassis

Step 5 If you attached a grounding wire to the chassis grounding pad, connect the other end of the wire to the facility ground.

InstallingtheSwitchusingtheN3K-C3064-ACC-KITRack-mount
Kit

To install the switch, you must attach front and rear mounting brackets to the switch, install slider rails on the
rear of the rack, slide the switch onto the slider rails, and secure the switch to the front of the rack. Typically,
the front of the rack is the side easiest to access for maintenance.

Note

You must supply the eight 10-32 or 12-24 screws required to mount the slider rails and switch to the rack.

Before you begin

• You have inspected the switch shipment to ensure that you have everything ordered.

• Make sure that the switch rack-mount kit includes the following parts:

• Front rack-mount brackets (2)

• Rear rack-mount brackets (2)

• Slider rails (2)

• M4 x 0.7 x 8-mm Phillips countersink screws (12)

• The rack is installed and secured to its location.

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Installing the Switch Chassis

Step 1 Install two front-mount brackets to the switch as follows:

a) Determine which end of the chassis is to be located in the cold aisle as follows:

• If the switch has port-side intake modules (fan modules with burgundy coloring), position the switch so that its
ports will be in the cold aisle.

• If the switch has port-side exhaust modules (fan modules with blue coloring), position the switch so that its fan
and power supply modules will be in the cold aisle.

b) Position a front-mount bracket so that four of its screw holes are aligned to the screw holes on the side of the chassis.

Installing the Switch using the N3K-C3064-ACC-KIT Rack-mount Kit

Note

You can align any four of the holes in the front rack-mount bracket to four of the six screw holes on the
side of the chassis (see the two ways to mount these brackets on a typical chassis, in following figure). The
holes that you use depend on the requirements of your rack and the amount of clearance required for interface
cables (3 inches [7.6 mm] minimum) and module handles (1 inch [2.5 mm] minimum).

1

the chassis

2

chassis

3

the chassis

Front rack-mount bracket aligned to the module end

5Front rack-mount bracket aligned to the port end of

of the chassis

Four M4 screws used to attach the bracket to the

6Four M4 screws used to attach the bracket to the

chassis

Two M4 screws used to attach the bracket to the

7Rear rack-mount guide aligned to the module end of

chassis

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Installing the Switch Chassis

Installing the Switch using the N3K-C3064-ACC-KIT Rack-mount Kit

Rear rack-mount guide aligned to the port end of the

4

chassis

8Two M4 screws used to attach the bracket to the

chassis

c) Secure the front-mount bracket to the chassis using four M4 screws and tighten each screw to 12 in-lb (1.36 N·m)

of torque.

d) Repeat Step 1 for the other front rack-mount bracket on the other side of the switch and be sure to position that bracket

the same distance from the front of the switch.

Step 2 Install the two rear rack-mount brackets on the chassis as follows:

a) Align the two screw holes on a rear rack-mount bracket to the middle two screw holes in the remaining six screw

holes on a side of the chassis. If you are aligning the guide to holes that are near the port connections end of the
chassis, see Callout 3 in the previous figure. Otherwise, see Callout 7 in the previous figure.

b) Attach the guide to the chassis using two M4 screws (see Callout 4 or 8 in the previous figure). Tighten the screws

to 12 in-lb (1.36 N·m) of torque.

c) Repeat Step 2 for the other rear rack-mount bracket on the other side of the switch.

Step 3 If you are not installing the chassis into a grounded rack, you must attach a customer-supplied grounding wire to the

chassis as explained in Grounding the Chassis, on page 22. If you are installing the chassis into a grounded rack, you
can skip this step.

Step 4 Install the slider rails on the rack or cabinet as follows:

a) Determine which two posts of the rack or cabinet you should use for the slider rails. Of the four vertical posts in the

rack or cabinet, two will be used for the front mount brackets attached to the easiest accessed end of the chassis, and
the other two posts will have the slider rails.

b) Position a slider rail at the desired level on the back side of the rack and use two 12-24 screws or two 10-32 screws,

depending on the rack thread type, to attach the rails to the rack (see the following figure). Tighten 12-24 screws to
30 in-lb (3.39 N·m) of torque and tighten 10-32 screws to 20 in-lb (2.26 N·m) of torque.

Two customer-supplied 12-24 or 10-32 screws used

1

rack

2Slider rail with screw holes aligned to screw holes in

to attach each slider rail to the rack

c) Repeat Step 3 to attach the other slider rail to the other side of the rack.

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Installing the Switch Chassis

To make sure that the slider rails are at the same level, you should use a level tool, tape measure, or carefully count
the screw holes in the vertical mounting rails.

Step 5 Insert the switch into the rack and attach it as follows:

a) Holding the switch with both hands, position the two rear rack-mount brackets on the switch between the rack or

cabinet posts that do not have slider rails attached to them (see the following figure).

Installing the Switch using the N3K-C3064-ACC-KIT Rack-mount Kit

1

Front-mount brackets.3Align the two rear rack-mount bracket guides with

the slider rails installed in the rack.

2

Mounting rails on rack or cabinet posts.4Slide the rack-mount guides onto the slider rails until
the front rack-mount brackets come in contact with
the front rack-mount rails.

b) Align the two rear rack-mount guides on either side of the switch with the slider rails installed in the rack. Slide the

rack-mount guides onto the slider rails, and then gently slide the switch all the way into the rack until the front
rack-mount brackets come in contact with two rack or cabinet posts.

c) Holding the chassis level, insert two screws (12-24 or 10-32, depending on the rack type) in each of the two front

rack-mount brackets (using a total of four screws) and into the cage nuts or threaded holes in the vertical rack-mounting
rails (see the following figure).

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Grounding the Chassis

Installing the Switch Chassis

1

12-24 or 10-32 screws on each side.

Front-mount bracket.2

d) Tighten the 10-32 screws to 20 in-lb (2.26 N·m) or tighten the 12-24 screws to 30 in-lb (3.39 N·m).

Step 6 If you attached a grounding wire to the chassis grounding pad, connect the other end of the wire to the facility ground.

Mounting rails on rack or cabinet posts.3Fasten the chassis to the front of the rack with two

Grounding the Chassis

The switch chassis is automatically grounded when you properly install the switch in a grounded rack with
metal-to-metal connections between the switch and rack.

You can alternatively ground the chassis (this is required if the rack is not grounded) by attaching a
customer-supplied grounding cable to the chassis grounding pad and the facility ground.

Warning

Statement 1024—Ground Conductor

This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the absence
of a suitably installed ground conductor. Contact the appropriate electrical inspection authority or an electrician
if you are uncertain that suitable grounding is available.

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Installing the Switch Chassis

Starting the Switch

Warning

Step 1 Use a wire-stripping tool to remove approximately 0.75 inch (19 mm) of the covering from the end of the grounding wire

(we recommend 6-AWG wire for the U.S. installations).

Step 2 Insert the stripped end of the grounding wire into the open end of the grounding lug, and use a crimping tool to crimp

the lug to the wire (see Callout 2 in the following figure). Verify that the ground wire is securely attached to the grounding
lug by attempting to pull the wire out of the crimped lug.

Statement 1046—Installing or Replacing the Unit

When installing or replacing the unit, the ground connection must always be made first and disconnected last.

Before you begin

Before you can ground the chassis, you must have a connection to the earth ground for the data center building.

3Chassis grounding pad1

2

Step 3 Secure the grounding lug to the chassis grounding pad with two M4 screws (see Callouts 1 and 3 in the previous figure),

and tighten the screws to 11 to 15 in-lb (1.24 to 1.69 N·m) of torque.

Step 4 Prepare the other end of the grounding wire and connect it to the facility ground.

Grounding cable, with 0.75
in. (19 mm) of insulation
stripped from one end,
inserted into the grounding
lug and crimped in place

2 M4 screws used to secure
the grounding lug to the
chassis

Starting the Switch

You start the switch by connecting it to its dedicated power source. If you need n+1 redundancy, you must
connect each of the power supplies to one or two power sources. If you need n+n redundancy, you must
connect each power supply in a switch to a different power source.

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Starting the Switch

Installing the Switch Chassis

Before you begin

• The switch must be installed and secured to a rack or cabinet.

• The switch must be adequately grounded.

• The rack must be close enough to the dedicated power source so that you can connect the switch to the
power source by using a designated power cables.

• You have the designated power cables for the power supplies that you are connecting to the dedicated
power sources.

Note

Depending on the outlet receptacle on your AC power distribution unit, you might
need an optional jumper power cord to connect the switch to your outlet receptacle.

• The switch is not connected to the network (this includes any management or interface connections).

• The fan and power supply modules are fully secured in their chassis slots.

All of the fan slots must be filled with fan modules and the power supply slots must be filled with the
same types of power supplies (do not mix AC and DC power supplies).

Step 1 Verify that the power supply LED is on and green.

Step 2 Listen for the fans; they should begin operating when the power supply is powered.

Step 3 After the switch boots, verify that the following LEDs are lit:

• On the fan modules, the Status (STA or STS) LED is green.

If a fan module Status LED is not green, try reinstalling the fan module.

• After initialization, the switch chassis Status (labeled as STA or STS) LED is green.

Step 4 Verify that the system software has booted and the switch has initialized without error messages.

Step 5 Complete the worksheets provided in Site Preparation and Maintenance Records for future reference.

Note

A setup utility automatically launches the first time that you access the switch and guides you through the basic
configuration. For instructions on how to configure the switch and check module connectivity, see the appropriate Cisco
Nexus configuration guide.

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Connecting the Switch to the Network

• Overview of Network Connections, on page 25

• Connecting a Console to the Switch, on page 25

• Creating the Initial Switch Configuration, on page 27

• Setting Up the Management Interface, on page 28

Overview of Network Connections

After you install the switch in a rack and power it up, you are ready to make the following network connections:

• Console connection—This is a direct local management connection that you use to initially configure
the switch. You must make this connection first to initially configure the switch and determine its IP
address, which is needed for the other connections.

• Management connection—After you complete the initial configuration using a console, you can make
this connection to manage all future switch configurations.

• Uplink and downlink interface connections—These are connections to hosts and servers in the network.

CHAPTER 4

Each of these connection types is explained in one of the sections that follow.

Note

When running cables in overhead or subfloor cable trays, we strongly recommend that you locate power cables
and other potential noise sources as far away as practical from network cabling that terminates on Cisco
equipment. In situations where long parallel cable runs cannot be separated by at least 3.3 feet (1 meter), we
recommend that you shield any potential noise sources by housing them in a grounded metallic conduit.

Connecting a Console to the Switch

Before you create a network management connection for the switch or connect the switch to the network, you
must create a local management connection through a console terminal and configure an IP address for the
switch. You also can use the console to perform the following functions, each of which can be performed
through the management interface after you make that connection:

• Configure the switch using the command-line interface (CLI).

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Connecting a Console to the Switch

• Monitor network statistics and errors.

• Configure Simple Network Management Protocol (SNMP) agent parameters.

• Download software updates.

You make this local management connection between the asynchronous serial port on a supervisor module
and a console device capable of asynchronous transmission. Typically, you can use a computer terminal as
the console device. On the supervisor modules, you use the console serial port.

Note

Before you can connect the console port to a computer terminal, make sure that the computer terminal supports
VT100 terminal emulation. The terminal emulation software makes communication between the switch and
computer possible during setup and configuration.

Before you begin

• The switch must be fully installed in its rack, connected to a power source, and grounded.

Connecting the Switch to the Network

• The necessary cabling for the console, management, and network connections must be available.

• An RJ-45 rollover cable provided in the switch accessory kit.

• Network cabling should already be routed to the location of the installed switch.

Step 1 Configure the console device to match the following default port characteristics:

• 9600 baud

• 8 data bits

• 1 stop bit

• No parity

Step 2 Connect an RJ-45 rollover cable to the console port on the switch.

You can find this cable in the accessory kit.

Step 3 Route the RJ-45 rollover cable to the console or modem.

Step 4 Connect the other end of the RJ-45 rollover cable to the console or to a modem.

What to do next

You are ready to create the initial switch configuration (see Creating the Initial Switch Configuration, on page

27).

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Connecting the Switch to the Network

Creating the Initial Switch Configuration

You must assign an IP address to the switch management interface so that you can then connect the switch
to the network.

When you initially power up the switch, it boots up and asks you a series of questions to configure the switch.
To enable you to connect the switch to the network, you can use the default choices for each configuration
except the IP address, which you must provide. You can perform the other configurations at a later time as
described in the Cisco Nexus 9000 Series NX-OS Fundamentals Configuration Guide.

Note

You should also know the unique name needed to identify the switch among the devices in the network.

Before you begin

• A console device must be connected with the switch.

Creating the Initial Switch Configuration

• The switch must be connected to a power source.

• Determine the IP address and netmask needed for the Management (Mgmt0) interface.

Step 1 Power up the switch by connecting each installed power supply to an AC circuit.

If you are using the combined or power-supply (n+1) power mode, connect all of the power supplies to the same AC
circuit. If you are using the input-source (n+n) power mode, connect half of the power supplies to one AC circuit and the
other half to another AC circuit.

The Input and Output LEDs on each power supply light up (green) when the power supply units are sending power to
the switch, and the software asks you to specify a password to use with the switch.

Step 2 Enter a new password to use for this switch.

The software checks the security strength of your password and rejects your password if it is not considered to be a strong
password. To increase the security strength of your password, make sure that it adheres to the following guidelines:

• At least eight characters

• Minimizes or avoids the use of consecutive characters (such as "abcd")

• Minimizes or avoids repeating characters (such as "aaabbb")

• Does not contain recognizable words from the dictionary

• Does not contain proper names

• Contains both uppercase and lowercase characters

• Contains numbers as well as letters

Examples of strong passwords include the following:

• If2CoM18

• 2004AsdfLkj30

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Setting Up the Management Interface

• Cb1955S21

Connecting the Switch to the Network

Note

Tip

If you enter a strong password, the software asks you to confirm the password.

Step 3 Enter the same password again.

If you enter the same password, the software accepts the password and begins asking a series of configuration questions.

Step 4 Until you are asked for an IP address, you can enter the default configuration for each question.

Repeat this step for each question until you are asked for the Mgmt0 IPv4 address.

Step 5 Enter the IP address for the management interface.

The software asks for the Mgmt0 IPv4 netmask.

Step 6 Enter a network mask for the management interface.

The software asks if you need to edit the configuration.

Step 7 Enter no to not edit the configuration.

The software asks if you need to save the configuration.

Step 8 Enter yes to save the configuration.

Clear text passwords cannot include the dollar sign ($) special character.

If a password is trivial (such as a short, easy-to-decipher password), the software will reject your password
configuration. Be sure to configure a strong password as explained in this step. Passwords are case sensitive.

What to do next

You can now set up the management interface for each supervisor module on the switch.

Setting Up the Management Interface

The RJ-45 and SFP management ports provide out-of-band management, which enables you to use the
command-line interface (CLI) to manage the switch by its IP address. You can use one of these ports depending
on the cable and connecters that you are using to connect the management interface to the network.

Before you begin

• The switch must be powered on.

• The switch must be initially configured using a console.

What to do next

You are ready to connect the interface ports on each of the line cards to the network.

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Replacing Components

• Replacing a Fan Module, on page 29

• Replacing a Power Supply Module, on page 31

Replacing a Fan Module

You can replace a fan module while the switch is operating so long as you perform the replacement within
one minute. If you cannot perform the replacement within one minute, leave the original fan module in the
chassis to maintain the designed airflow until you have the replacement fan module on hand and can perform
the replacement.

CHAPTER 5

Caution

If you are replacing a module during operations, be sure that the replacement fan module has the correct
direction of airflow, which means that it has the same airflow direction as the other modules in the chassis.
Also, be sure that the airflow direction takes in air from a cold aisle and exhausts to a hot aisle. Otherwise,
the switch can overheat and shutdown.

If you are changing the airflow direction of all the modules in the chassis, you must shutdown the switch
before replacing all the fan and power supply modules with modules using the other airflow direction. During
operations, all of the modules must have the same direction of airflow.

Removing a Fan Module

Warning

Step 1 On the fan module that you are removing, press the two colored handles towards each other and pull the module part way

out of its slot to unseat it from its connectors.

Statement 263—Fan Warning

The fans might still be turning when you remove the fan assembly from the chassis. Keep fingers, screwdrivers,
and other objects away from the openings in the fan assembly's housing.

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Installing a Fan Module

Replacing Components

1

other.

Step 2 Holding the handle, pull the module out of the chassis.

Caution

Do not touch the electrical connectors on the back side of the module and prevent anything else from coming
into contact with and damaging the connectors.

Installing a Fan Module

Before you begin

• A fan slot must be open and ready for the new fan module to be installed.

• You must have a new fan module on hand and ready to install within one minute of removing the original
fan module if the switch is operating.

• The new fan module must have the same airflow direction as the other fan and power supply modules
installed in the switch. All of these modules must have either burgundy coloring (port-side intake airflow)
or they must all have blue coloring (port-side exhaust airflow).

Pull the pressed handles to remove the module from its slot.2Press the two colored handles towards each

Step 1 Holding the fan module by its handle, align the back of the fan module (the side with the electrical connectors) to the

open fan slot in the chassis.

Step 2 Slide the fan module into the slot until it clicks in place.

Step 3 Verify that the Status (STS) LED turns on and becomes green.

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Replacing Components

Replacing a Power Supply Module

The switch requires two power supplies for redundancy. With one power supply providing the necessary
power for operations, you can replace the other power supply during operations so long as the new power
supply has the same airflow direction as the other modules in the chassis.

You can replace a power supply with another supported power supply that has the same power source type
(AC, DC, HVAC, or HVDC) and the same wattage rating as the other installed power supply. Additionally,
the airflow direction of the power supply must match the airflow direction of the installed fan modules. For
the airflow direction used by the switch, see the coloring of the fan modules. The following list describes the
power supplies supported by this switch.

• NXA-PAC-1100W-PE2 (1100-W, port-side exhaust (blue latch) power supply requiring AC power
source providing at least 16 A)

• NXA-PAC-1100W-PI2 (1100-W, port-side intake (burgundy latch) power supply requiring AC power
source providing at least 16 A)

• N9K-PHV-1100W-PE (1100-W, port-side exhaust (blue latch) high-voltage AC/DC power supply
requiring a high-voltage AC or DC power source)

Replacing a Power Supply Module

• N9K-PHV-1100W-PI (1100-W, port-side intake (burgundy latch) high-voltage AC/DC power supply
requiring a high-voltage AC or DC power source)

• NXA-PDC-1100W-PE (1100-W, port-side exhaust (blue latch) power supply requiring DC power source
providing at least 16 A)

• NXA-PDC-1100W-PI (1100-W, port-side intake (burgundy latch) power supply requiring DC power
source providing at least 16 A)

Replacing an AC Power Supply

You can replace an AC power supply during operations so long as the other power supply provides to the
switch.

Before you begin

• The replacement power supply must have the same wattage and airflow direction as the power supply
being replaced.

Note

You can determine the airflow direction by looking at the coloring of the latch
on each power supply. AC power supplies with burgundy latches have port-side
intake airflow direction, and power supplies with blue latches have port-side
exhaust airflow direction.

• An AC power source must be within reach of the power cable that will be used with the replacement
power supply. If you are using n+n power redundancy, there must be a separate power source for each
power supply installed in the chassis.

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Replacing a High Voltage (HVAC/HVDC) Power Supply

• There must be an earth ground connection to the chassis that you are installing the replacement module.
AC power supplies connected to AC power sources are automatically grounded through their power
cable.

Step 1 Remove an AC power supply as follows:

a) Holding the plug for the power cable, pull the plug out from the power receptacle on the power supply and verify

that both power supply LEDs are off.
b) Grasp the power supply handle while pressing the colored release latch towards the power supply handle.
c) Place your other hand under the power supply to support it while you slide it out of the chassis.

Replacing Components

Caution

Do not touch the electrical connections on the back side of the module and prevent anything else from
coming into contact with and damaging the connectors.

Step 2 Install the replacement power supply as follows:

a) Holding the replacement power supply with one hand underneath the module and the other hand holding the handle,

turn the power supply so that its release latch is on the right side and align the back end of the power supply (the end

with the electrical connections) to the open power supply slot before carefully sliding the power supply all the way

into the slot until it clicks into place.

Note

If the power supply does not fit into the open slot, turn the module over before sliding it carefully into the
open slot.

b) Test the installation by trying to pull the power supply out of the slot without using the release latch.

If the power supply does not move out of place, it is secured in the slot. If the power supply moves, carefully press

it all the way into the slot until it clicks in place.

c) Attach the power cable to the electrical outlet on the front of the power supply.
d) Make sure that the other end of the power cable is attached to the appropriate power source for the power supply.

Note

Depending on the outlet receptacle on your power distribution unit, you might need the optional jumper
cable to connect the switch to your outlet receptacle.

e) Verify that the power supply is operational by making sure that the power supply LED is green.

Replacing a High Voltage (HVAC/HVDC) Power Supply

You can replace an HVACHVDC power supply during operations so long as the other power supply provides
power to the switch.

Before you begin

• The replacement power supply must have the same wattage and airflow direction as the power supply
being replaced.

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Replacing Components

Replacing a High Voltage (HVAC/HVDC) Power Supply

Note

You can determine the airflow direction by looking at the coloring of the latch
on each power supply. The high voltage power supplies have either burgundy
latches for port-side intake airflow or they have blue latches for port-side exhaust
airflow.

• An HVAC/HVDC power source must be within reach of the power cable that will be used with the
replacement power supply. If you are using n+n power redundancy, there must be a separate power source
for each power supply installed in the chassis.

• There must be an earth ground connection to the chassis in which you are installing the replacement
power supply. HVAC/HVDC power supplies connected to AC power sources are automatically grounded
by their power cable when connected to the power supply and AC power source. HVAC/HVDC power
supplies connected to DC power sources have Saf-D-Grid power cables with three connectors on the
power source end--you connect one of those connectors to the earth ground.

Step 1 Remove an HVAC/HVDC power supply as follows:

a) Turn off the circuit breaker for the power feed to the power supply that you are replacing.

Be sure that the LEDs turn off on the power supply that you are removing.

b) Remove the power cable from the power supply by pressing the tab on the top of the Anderson Power SAF-D-Grid

connector and pull the cable and connector out of the power supply.
c) Grasp the power supply handle while pressing the colored release latch towards the power supply handle.
d) Place your other hand under the power supply to support it while you slide it out of the chassis.

Caution

Do not touch the electrical connections on the back side of the module and prevent anything else from
coming into contact with and damaging the connectors.

Step 2 Install the replacement power supply as follows:

a) Holding the replacement power supply with one hand underneath the module and the other hand holding the handle,

turn the power supply so that its release latch is on the right side and align the back end of the power supply (the end

with the electrical connections) to the open power supply slot before carefully sliding the power supply all the way

into the slot until it clicks into place.

Note

If the power supply does not fit into the open slot, turn the module over before sliding it carefully into the
open slot.

b) Test the installation by trying to pull the power supply out of the slot without using the release latch.

If the power supply does not move out of place, it is secured in the slot. If the power supply moves, carefully press

it all the way into the slot until it clicks in place.

c) Attach the Saf-D-Grid end of the power cable to the electrical outlet on the front of the power supply.
d) Make sure that the other end of the power cable is attached to the appropriate power source for the power supply.

• For an HVAC power source, plug the other end of the power cable into the power source.

• For a HVDC power source, verify that the circuit breaker is turned off and then connect each of the three cable
connectors to the appropriate DC and grounding terminals on the power source. If there is a cover plate for the
DC terminals, install the plate to prevent accidental contact with the terminals.

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Replacing a DC Power Supply

e) If using an HVDC power source, turn on the circuit breaker for the power source.

f) Verify that the power supply is operational by making sure that the power supply LED is green. For information

on what the power supply LEDs indicate, see Power Supply LEDs, on page 48.

Replacing a DC Power Supply

You can replace an DC power supply during operations so long as the other power supply provides power to
the switch.

Before you begin

• The replacement power supply must have the same wattage and airflow direction as the power supply
being replaced.

Replacing Components

Note

You can determine the airflow direction by looking at the coloring of the latch
on each power supply. AC power supplies with burgundy latches have port-side
intake airflow direction, and power supplies with blue latches have port-side
exhaust airflow direction.

• An DC power source must be within reach of the power cables that will be used with the replacement
power supply. If you are using n+n power redundancy, there must be a separate power source for each
power supply installed in the chassis.

• There must be an earth ground connection to the chassis in which you are installing the replacement
power supply. DC power supplies connected to DC power sources have three power cables (two for DC
power and one for grounding).

Step 1 Remove a DC power supply as follows:

a) Turn off the circuit breaker for the power feed to the power supply that you are replacing.

Be sure that the LEDs turn off on the power supply that you are removing.

b) Remove the DC power connector block from the power supply by doing the following:

1. Push the orange plastic button on the top of the connector block inward toward the power supply.

2. Pull the connector block out of the power supply.

c) Grasp the power supply handle while pressing the release latch towards the power supply handle.
d) Place your other hand under the power supply to support it while you slide it out of the chassis.

Caution

Do not touch the electrical connections on the back side of the module and prevent anything else from
coming into contact with and damaging the connectors.

Step 2 Install the replacement power supply as follows:

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Replacing Components

a) Holding the replacement power supply with one hand underneath the module and the other hand holding the handle,

turn the power supply so that its release latch is on the right side and align the back end of the power supply (the end
with the electrical connections) to the open power supply slot before carefully sliding the power supply all the way
into the slot until it clicks into place.

Replacing a DC Power Supply

Note

If the power supply does not fit into the open slot, turn the module over before sliding it carefully into the
open slot.

b) Test the installation by trying to pull the power supply out of the slot without using the release latch.

If the power supply does not move out of place, it is secured in the slot. If the power supply moves, carefully press
it all the way into the slot until it clicks in place.

c) Attach the power connector block end of the power cable to the electrical outlet on the front of the power supply.
d) Turn on the circuit breaker for the power source.
e) Verify that the power supply is operational by making sure that the power supply LED is green.

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Replacing a DC Power Supply

Replacing Components

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Rack Specifications

• Overview of Racks, on page 37

• General Requirements for Cabinets and Racks, on page 37

• Requirements Specific to Standard Open Racks, on page 38

• Requirements Specific to Perforated Cabinets, on page 38

• Cable Management Guidelines, on page 38

Overview of Racks

You can install the switch in the following types of cabinets and racks, assuming an external ambient air
temperature range of 0 to 104°F (0 to 40°C):

• Standard perforated cabinets

• Solid-walled cabinets with a roof fan tray (bottom to top cooling)

• Standard open racks

APPENDIX A

Note

If you are selecting an enclosed cabinet, we recommend one of the thermally validated types, either standard
perforated or solid-walled with a fan tray.

Note

We do not recommend that you use racks that have obstructions (such as power strips), because the obstructions
could impair access to field-replaceable units (FRUs).

General Requirements for Cabinets and Racks

The cabinet or rack must also meet the following requirements:

• Standard 19-inch (48.3 cm) (two- or four-post EIA cabinet or rack, with mounting rails that conform to
English universal hole spacing per section 1 of ANSI/EIA-310-D-1992). For more information, see

Requirements Specific to Perforated Cabinets, on page 38.

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Requirements Specific to Standard Open Racks

• The minimum vertical rack space requirement per chassis is:

• For a one RU (rack unit) switch, 1.75 inches (4.4 cm)

• For a one and a half RU (rack unit) switch, 2.63 (6.68 cm)

• For a two RU (rack unit) switch, 3.5 inches (8.8 cm)

• For a three RU (rack unit) switch, 5.25 inches (13.3 cm)

• The width between the rack-mounting rails must be at least 17.75 inches (45.0 cm) if the rear of the
device is not attached to the rack. For four-post EIA racks, this measurement is the distance between the
two front rails.

Four-post EIA cabinets (perforated or solid-walled) must meet the following requirements:

• The minimum spacing for the bend radius for fiber-optic cables should have the front-mounting rails of
the cabinet offset from the front door by a minimum of 3 inches (7.6 cm).

• The distance between the outside face of the front mounting rail and the outside face of the back mounting
rail should be 23.0 to 30.0 inches (58.4 to 76.2 cm) to allow for rear-bracket installation.

Rack Specifications

Requirements Specific to Standard Open Racks

If you are mounting the chassis in an open rack (no side panels or doors), ensure that the rack meets the
following requirements:

• The minimum vertical rack space per chassis must be .

• The distance between the chassis air vents and any walls should be 2.5 inches (6.4 cm).

Requirements Specific to Perforated Cabinets

A perforated cabinet has perforations in its front and rear doors and side walls. Perforated cabinets must meet
the following requirements:

• The front and rear doors must have at least a 60 percent open area perforation pattern, with at least 15
square inches (96.8 square cm) of open area per rack unit of door height.

• The roof should be perforated with at least a 20 percent open area.

• The cabinet floor should be open or perforated to enhance cooling.

The Cisco R Series rack conforms to these requirements.

Cable Management Guidelines

To help with cable management, you might want to allow additional space in the rack above and below the
chassis to make it easier to route all of the fiber optic or copper cables through the rack.

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System Specifications

• Environmental Specifications, on page 39

• Switch Dimensions, on page 39

• Switch and Module Weights and Quantities, on page 40

• Transceiver and Cable Specifications, on page 40

• Switch Power Input Requirements, on page 40

• Power Specifications, on page 41

• Power Cable Specifications, on page 43

• Regulatory Standards Compliance Specifications, on page 44

Environmental Specifications

APPENDIX B

SpecificationEnvironment

32 to 104°F (0 to 40°C)Ambient operating temperatureTemperature

–40 to 158°F (–40 to 70°C)Ambient non operating

Relative
humidity

Operating

Non operating

Switch Dimensions

8 to 80% with humidity gradation of 10% per hour

5 to 95%

0 to 13,123 feet (0 to 4,000 meters)OperatingAltitude

HeightDepth with HandlesWidthSwitch

1.72 inches (4.4 cm) (1 RU)24.5 inches (62.3 cm)17.3 inches (43.9 cm)Cisco Nexus 9336C-FX2

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Switch and Module Weights and Quantities

Switch and Module Weights and Quantities

(N9K-C9336C-FX2)

System Specifications

QuantityWeight per UnitComponent

118.8 lb (8.5 kg)Cisco Nexus 9336C-FX2 Chassis

Fan Module

– Port-side exhaust (blue)
(NXA-FAN-65CFM-PE)

– Port-side intake (burgundy)
(NXA-FAN-65CFM-PI)

Power Supply module

– 1100-W AC port-side exhaust
(blue) (NXA-PAC-1100W-PE2)

– 1100-W AC port-side intake
(burgundy)
(NXA-PAC-1100W-PI2)

– 1100-W HVAC/HVDC port-side
exhaust (blue)
(NXA-PUV-1100W-PE)

– 1100-W HVAC/HVDC port-side
intake (burgundy)
(NXA-PUV-1100W-PI)

– 1100-W DC port-side exhaust
(blue) (NXA-PDC-1100W-PE)

– 1100-W DC port-side intake
(burgundy) (NXA-PDC-1100W-PI)

0.6 lb (0.3 kg)

0.6 lb (0.3 kg)

—

2.42 lb (1.1 kg)

2.42 lb (1.1 kg)

2.42 lb (1.1 kg)

2.42 lb (1.1 kg)

2.42 lb (1.1 kg)

2.42 lb (1.1 kg)

3—

2 (1 for operations and 1 for
redundancy)

Transceiver and Cable Specifications

To determine which transceivers, adapters, and cables are supported by this switch, see https://www.cisco.com/

c/en/us/support/interfaces-modules/transceiver-modules/products-device-support-tables-list.html.

To see the transceiver specifications and installation information, see https://www.cisco.com/c/en/us/support/

interfaces-modules/transceiver-modules/products-device-support-tables-list.html.

Switch Power Input Requirements

The following table lists the typical amount of power consumed by the switch, and it lists the maximum
amount of power that you must provision from the power source as input to the power supply and switch for
peak conditions.

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System Specifications

Note

Power Specifications

Some power supplies might have UL listed capabilities that are greater than the maximum power requirements
for a switch. To determine the power consumption characteristics for the switch, use the typical and maximum
requirements listed in the following table.

Switch

Typical Power
Consumption (AC or DC)

Power Specifications

Power specifications include the specifications for each type of power supply module.

1100-W AC Power Supply Specifications

These specifications apply to the following power supplies:

• NXA-PAC-1100W-PE

• NXA-PAC-1100W-PI

AC input voltage

Maximum Power
Consumption (AC or DC)

SpecificationCharacteristic

Nominal range: 100 and 240 VAC (Range: 90-132
VAC, 180-264 VAC)

Nominal range: 50 to 60 Hz (Range: 47-63 Hz)AC input frequency

Heat Dissipation
Requirement

2651.234 BTUs per hour777 W484 WCisco Nexus 9336C-FX2

Maximum AC input current

Efficiency rating

12 A at 115 VAC

6 A at 240 VAC

760 A at 100 VACMaximum input volt-amperes

1100 WMaximum output power per power supply

33 A (sub-cycle duration)Maximum inrush current

12 ms at 1100 WMaximum hold-up time

12 VDCPower supply output voltage

12 VDCPower supply standby voltage

Climate Savers Platinum Efficiency (80Plus Platinum
certified)

RSP1Form factor

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1100-W HVAC/HVDC Power Supply Specifications

1100-W HVAC/HVDC Power Supply Specifications

These specifications apply to the following power supplies:

• NXA-PHV-1100W-PE

• NXA-PHV-1100W-PI

SpecificationCharacteristic

94%Efficiency

100VAC – 277VAC, 240VDC – 380VDCInput voltage

50, 60HzNominal frequency

System Specifications

Maximum input current

1100-W DC Power Supply Specifications

These specifications apply to the following power supplies:

• NXA-PDC-1100W-PE

• NXA-PDC-1100W-PI

100-277VAC 13A Max, 240VDC – 380VDC 5.5A
Max

35A (cold turn on); 50A (hot turn on)Maximum inrush current

1100W @ 100 – 277VAC, 240VDC – 380VDCMaximum continuous total output power

12V/ 90AOutput voltage

3.3V/ 3AStandby output voltage

80 Plus PlatinumEfficiency

SpecificationCharacteristic

Nominal range: -54VDC (Range: -40 to -72 VDC)DC input voltage range

32 A at -40 VDCMaximum DC input current

1100 WMaximum output power per power supply

90 A (cold turn on)Maximum inrush current

4 ms at 100% loadMaximum hold-up time

12 V/ 90APower supply output voltage

3.3 V/ 3APower supply standby voltage

94% ad 50% loadEfficiency rating @ -48VDC

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System Specifications

Power Cable Specifications

AC Power Cables Supported by NX-OS Mode Switches

Power Cable Specifications

Cord Set DescriptionPower Cord Part NumberPower Type

CAB-C13-C14-2M

CAB-C13-C14-AC

CAB-C13-CBN

CAB-9K10A-AUAustralia

CAB-9K10A-EUEuropean Union

CAB-9K10A-ITItaly

Power Cord Jumper, C13-C14
Connectors, 6.6 feet (2.0 m)

Power cord, C13 to C14 (recessed
receptacle), 10 A, 9.8 feet (3 m)

Cabinet jumper power cord, 250
VAC, 10 A, C14-C13 connectors,

2.3 feet (0.7 m)

250 V, 10 A, 8.2 feet (2.5 m)CAB-250V-10A-ARArgentina

250 VAC, 10 A, 3112 plug, 8.2 feet
(2.5 m)

250 V, 10 A, 6.9 feet (2.1 m)CAB-250V-10A-BRBrazil

250 VAC, 10 A, CEE 7/7 plug, 8.2
feet (2.5 m)

10 A, 8.2 feet (2.5 m)CAB-IND-10AIndia

250 V, 10 A, 8.2 feet (2.5 m)CAB-250V-10A-ISIsrael

250 VAC, 10 A, CEI 23-16/VII
plug, 8.2 feet (2.5 m)

Japan

CAB-9K12A-NANorth America

CAB-9K10A-SWSwitzerland

CAB-9K10A-UKUnited Kingdom

NO-POWER-CORDAll except Argentina, Brazil, and

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

125 VAC, 13 A, NEMA 5-15 plug,

8.2 feet (2.5 m)

NEMA L6-20-C13, 6.6 feet (2.0 m)CAB-AC-L620-C13North America

200/240V, 6A, 8.2 feet (2.5 m)CAB-N5K6A-NANorth America

250 V, 10 A, 8.2 feet (2.5 m)CAB-250V-10A-CNPeoples Republic of China

250 V, 10 A, 8.2 feet (2.5 m)CAB-250V-10A-IDSouth Africa

250 VAC, 10 A, MP232 plug, 8.2
feet (2.5 m)

250 VAC, 10 A, BS1363 plug (13
A fuse), 8.2 (2.5 m)

No power cord included with
switch

43

DC Power Cable Specifications

DC Power Cable Specifications

The 1100W DC power supply (NXA-PDC-1100W-PE/PI) is shipped with a connector already plugged into
the power supply.

Regulatory Standards Compliance Specifications

The following table lists the regulatory standards compliance for the switch.

Table 1: Regulatory Standards Compliance: Safety and EMC

DescriptionSpecification

System Specifications

Regulatory compliance

Safety

EMC: Emissions

Products should comply with CE Markings according to directives 2004/108/EC
and 2006/95/EC.

• UL 60950-1 Second Edition

• CAN/CSA-C22.2 No. 60950-1 Second Edition

• EN 60950-1 Second Edition

• IEC 60950-1 Second Edition

• AS/NZS 60950-1

• GB4943

• 47CFR Part 15 (CFR 47) Class A

• AS/NZS CISPR22 Class A

• CISPR22 Class A

• EN55022 Class A

• ICES003 Class A

• VCCI Class A

• EN61000-3-2

• EN61000-3-3

• KN22 Class A

• CNS13438 Class A

EMC: Immunity

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• EN55024

• CISPR24

• EN300386

• KN 61000-4 series

System Specifications

System Specifications

DescriptionSpecification

RoHS

The product is RoH-6 compliant with exceptions for leaded-ball grid-array (BGA)
balls and lead press-fit connectors.

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System Specifications

System Specifications

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LEDs

• Switch Chassis LEDs, on page 47

• Lane Link LEDs, on page 48

• Fan Module LEDs, on page 48

• Power Supply LEDs, on page 48

Switch Chassis LEDs

The BCN, STS, and ENV, LEDs are located on the left side of the front of the switch. The port LEDs are
appear as triangles pointing up or down to the nearest port.

APPENDIX C

StatusColorLED

The operator has activated this LED to identify this switch in the chassis.Flashing blueBCN

This switch is not being identified.Off

GreenSTS

GreenENV

Green(port)

The switch is operational.

The switch is booting up.Flashing amber

Temperature exceeds minor alarm threshold.Amber

Temperature exceeds major alarm threshold.Red

The switch is not receiving power.Off

Fans and power supply modules are operational.

At least one fan or power supply module is not operating.Amber

Port admin state is 'Enabled', SFP is present and the interface is connected (i.e.
cabled, and the link is up).

Port admin state is 'Disabled, or the SFP is absent, or both.Amber

Port admin state is 'Enabled' annd SFP is present, but interface is not connected.Off

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Lane Link LEDs

Lane Link LEDs

The Lane Link LEDs indicate which of the break out lanes are being checked. If none of the Lane Link LEDs
is lit, all four lanes are being checked.

LEDs

DescriptionLED Lit

Checking lane 1.1

Checking lane 2.2

Checking lane 3.3

Checking lane 4.4

Checking all four lanesNone

Fan Module LEDs

The fan module LED is located below the air holes on the front of the module.

Power Supply LEDs

The power supply LEDs are located on the left front portion of the power supply. Combinations of states

indicated by the Okay ( ) and Fault ( ) LEDs indicate the status for the module as shown in the following
table.

LED

OffFlashing

green

StatusColorLED

The fan module is operational.GreenSTS

The fan module is not operational (fan is probably not functional).Red

Fan module is not receiving power.Off

LED

Status

Power supply is on and outputting power to the switch.OffGreen

Power supply is connected to a power source but not outputting power to the
switch—power supply might not be installed in the chassis.

Power supply is not receiving power or is in shut mode.OffOff

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LEDs

LEDs

LED

LED

Flashing amberGreen

Status

Power supply warning—possibly one of the following conditions:

• High voltage

• High power

• Low voltage

• Power supply warning condition

• Slow power supply fan

Power supply failureAmberGreen

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LEDs

LEDs

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Additional Kits

• Rack Mount Kit NXK-ACC-KIT-1RU, on page 51

• Rack Mount Kit N3K-C3064-ACC-KIT, on page 51

Rack Mount Kit NXK-ACC-KIT-1RU

The following table lists and illustrates the contents for the 1RU rack-mount kit (NXK-ACC-KIT-1RU).

• Front brackets (2)

• Rear brackets (2)

• Slider rails (2)

• M4 Phillips pan-head screws
(6)

APPENDIX D

QuantityDescriptionIllustration

1Rack-mount kit

Rack Mount Kit N3K-C3064-ACC-KIT

The following table lists and illustrates the contents for the 1RU rack-mount kit (N3K-C3064-ACC-KIT).

• Front-mount angled bracket
(2)

• Rear-mount slider bracket (2)

• Slider rails (2)

• M4 x 7 mm mounting screws
(16)

Cisco Nexus 9336C-FX2 NX-OS Mode Switch Hardware Installation Guide

QuantityDescriptionIllustration

1Rack-mount kit

51

Rack Mount Kit N3K-C3064-ACC-KIT

Additional Kits

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Site Preparation and Maintenance Records

• Site Preparation Checklist, on page 53

• Contact and Site Information, on page 54

• Chassis and Module Information, on page 55

Site Preparation Checklist

Planning the location and layout of your equipment rack or cabinet is essential for successful switch operation,
ventilation, and accessibility.

The following table lists the site planning tasks that we recommend that you complete before you install the
switch. Your completion of each task ensures a successful switch installation.

Space evaluation:

Space and layout

APPENDIX E

Verification Time and DatePlanning Activity

Floor covering

Impact and vibration

Lighting

Physical access

Maintenance access

Environmental evaluation:

Ambient temperature

Humidity

Altitude

Atmospheric contamination

Airflow

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Contact and Site Information

Power evaluation:

Site Preparation and Maintenance Records

Verification Time and DatePlanning Activity

Input power type

Power receptacles

Receptacle proximity to the
equipment

Dedicated (separate)
circuits for power
redundancy

UPS for power failures

Grounding: proper wire
gauge and lugs

Circuit breaker size

Grounding evaluation:

Data center ground

Cable and interface equipment
evaluation:

Cable type

Connector type

Cable distance limitations

Interface equipment
(transceivers)

EMI evaluation:

Distance limitations for
signaling

Site wiring

RFI levels

Contact and Site Information

Use the following worksheet to record contact and site information for the installation.

Contact person

Contact phone

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Site Preparation and Maintenance Records

Contact e-mail

Building/site name

Data center location

Floor location

Address (line 1)

Address (line 2)

City

State/Provence

Contact person

ZIP/postal code

Country

Chassis and Module Information

Chassis and Module Information

Use the following worksheet to record information about the switch.

Contract number

Chassis serial number

Product number

Use the following worksheet to record network-related information.

Switch IP address

Switch IP netmask

Hostname

Domain name

IP broadcast address

Gateway/router address

DNS address

Use the following worksheet to record information about the modules in the switch.

Fan module 1

NotesModule Serial NumberModule TypeModule Slot

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Site Preparation and Maintenance Records

Fan module 2

Fan module 3

Power Supply 1

Power Supply 2

Site Preparation and Maintenance Records

NotesModule Serial NumberModule TypeModule Slot

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