Cisco Nexus 9364D-GX2A Manual

Cisco Nexus 9364D-GX2A ACI-Mode Switch Hardware Installation
Guide
First Published: 2022-06-24
Last Modified: 2023-06-23
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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 10
Installing the Chassis 11
CHAPTER 3
Installation Options with Rack-Mount Kits 11
Install a Rack 11
Unpacking and Inspecting a New Switch 12
Planning How to Position the Chassis in the Rack 13
Installing the Chassis in a Four-Post Rack 13
Installing the Switch using the NXK-ACC-KIT2-2RU Rack-Mount Kit 14
Grounding the Chassis 20
Starting the Switch 22
Cisco Nexus 9364D-GX2A ACI-Mode Switch Hardware Installation Guide
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Connecting the Switch to the ACI Fabric 25
CHAPTER 4
ACI Fabric Topology 25
Preparing to Connect to Other Devices 26
Connecting Leaf Switches to APICs 27
Connecting Leaf Switches to Spine Switches 29
Installing a Gigabit Ethernet module (GEM) 30
Migration of Nodes From a First Generation Switch to a Second Generation Switch 30
Setting Up an Optional Console Interface 32
Setting Up an Optional Management Connection 33
Maintaining Transceivers and Optical Cables 33
Replacing Components 35
CHAPTER 5
Replacing a Fan Module During Operations 35
Replacing a Power Supply Module 36
Removing an AC Power Supply 36
Installing an AC Power Supply 37
Rack Specifications 39
APPENDIX A
Overview of Racks 39
General Requirements for Cabinets and Racks 39
Requirements Specific to Standard Open Racks 40
Requirements Specific to Perforated Cabinets 40
Cable Management Guidelines 40
System Specifications 41
APPENDIX B
Environmental Specifications 41
Switch Dimensions 41
Switch and Module Weights and Quantities 42
Transceiver and Cable Specifications 42
Switch Power Input Requirements 42
Power Specifications 42
3200-W AC/HVDC Power Supply Specifications 43
3200-W DC/HVDC Power Supply Specifications 43
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Contents

Power Cable Specifications 43
Power Cables for NXA-PAC-3200W Power Supplies 44
Power Cables for NXA-PDC-3200W Power Supplies 44
Regulatory Standards Compliance Specifications 44
LEDs 47
APPENDIX C
Switch Chassis LEDs 47
Fan Module LEDs 48
Power Supply LEDs 48
Additional Kits 51
APPENDIX D
Rack Mount Kit NXK-ACC-KIT2-2RU 51
Accessory Kit NXA-ACC-QDD-DC 52
Cisco Nexus 9364D-GX2A ACI-Mode Switch Hardware Installation Guide
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Contents

Cisco Nexus 9364D-GX2A ACI-Mode Switch Hardware Installation Guide
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Contents

CHAPTER 1
Overview
•Overview, on page 1
Overview
The Cisco Nexus 9364D-GX2A switch (N9K-C9364D-GX2A) is a 2-rack unit (RU), fixed-port switch designed
for spine-leaf-APIC deployment in data centers.
This switch includes the following ports:
• 400-Gigabit QSFP-DD ports (64)
• 10-Gigabit SFP+ ports (2)
• Management ports (one RJ-45 port and one SFP port)
• Console port
• USB port
Dust covers (NXA-ACC-QDD-DC) are suggested for unused ports, to protect the connectors and help divert
airflow for thermal dispensation.
Note
Default port-profile information for this switch:
• Default port profile (Leaf): 48 downlinks and 16 fabric links + 2x1/10G downlinks
Leaf/Spine role considerations:
• This switch's default role is as a leaf switch.
• The default fabric links must be used for initial switch discovery via another switch.
•To change the switch from the default role, you must proceed as follows: the node appears as a discovered
device in the fabric inventory view, you must set the role of the switch (spine or leaf) and the switch
automatically goes for reboot to come up in the configured role.
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• If you connect a default spine (i.e. a dual role switch that by default is a spine, such as Nexus 9316D-GX)
directly to an APIC, the change of the role to leaf is performed automatically by APIC as well as the
reboot. After that, the node appears in “Nodes pending registration” and you need to register the node.
This switch includes the following high power optics and MACsec:
• 16 ports of MACsec with no ports of 20-W optics
• 8 ports of MACsec with 8 ports of 20-W optics
• No ports of MACsec with 16 ports of 20-W optics
For this switch, 20-W optics can go in any of the 32 odd numbered QSFP-DD
ports.
Note
This switch includes the following user-replaceable components:
• Fan modules (four) with the following airflow choices:
• Port-side intake fan module with burgundy coloring (NXA-FAN-160CFM-PI)
If a fan fails, the other fans are automatically increased to 100% capacity to
compensate. If two fans fail, then multi fan failure policy kicks in, the switch will
issue a warning, and power down in 2 minutes.
Note
• Power supply modules (two—One for operations and one for redundancy [1+1]) with the following
choices:
• 3200-W port-side intake AC/HVDC power supply with burgundy coloring (NXA-PAC-3200W-PI)
• 3200-W port-side intake DC/HVDC power supply with burgundy coloring (NXA-PDC-3200W-PI)
Both power supplies are the same type. Do not mix AC, and DC, power supplies.
Note
The following figure shows the switch features on the port side of the chassis.
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Overview
Overview

USB port (1)4SFP optical management port (1)1
10-Gigabit SFP+ ports (2)5Console port (1)2
400-Gigabit QSFP-DD ports (64)6RJ-45 copper management port (1)3
To determine which transceivers, adapters, and cables are support this switch, see the Cisco Transceiver
Modules Compatibility Information document.
The following figure shows the switch features on the power supply side of the chassis.
Power supply modules (1 or 2) (AC power supplies shown)
with slots numbered 1 (top) and 2 (bottom)
2Fan modules (4) with slots
numbered from 1 (left) to 4 (right)
1
The following figure shows the side of the chassis.
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Overview
Overview

Grounding pad1
The fan and power supply modules are field replaceable. You can replace one fan module or one power supply
module during operations so long as the other modules are installed and operating. If you have only one power
supply installed, you can install the replacement power supply in the open slot before removing the original
power supply.
All fan and power supply modules must have the same direction of airflow. Otherwise, the switch can overheat
and shut down. If you are installing a dual-direction power supply, that module automatically uses the same
airflow direction as the other modules in the switch.
Note
The switch has port-side intake airflow (burgundy coloring for fan modules), so you must locate the ports in
the cold aisle. If you locate the air intake in a hot aisle, the switch can overheat and shut down.
Caution
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Overview
Overview

CHAPTER 2
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 8
•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).
Humidity Requirements
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, use a dehumidifier to maintain the humidity within an
acceptable range.
Altitude Requirements
Altitude rating is based on power supply installed; see critical components list in the system CB report for
altitude rating.
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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. Dust and particles can act as insulators and
interfere with the mechanical components in the switch. A clean operating environment can greatly reduce
the negative effects of dust and other particles.
In addition to keeping your environment free of dust and particles, 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.
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. 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 are 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 to 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.
To predict and prevent strong EMI, you need to consult experts in radio frequency interference (RFI).
Note
The wiring is unlikely to emit radio interference if you use a 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
Dust and Particulate Requirements

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 that is caused by lightning or
other high-energy phenomena can easily couple enough energy into unshielded conductors to destroy electronic
switches. You will want to consult experts in electrical surge suppression and shielding if you had similar
problems in the past.
Caution
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 that is 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. For U.S. installations, we recommend
6-AWG wire. Connect your grounding cable to the chassis with a grounding lug (provided in the switch
accessory kit) and to the facility ground.
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.
Note
An electrical conducting path shall exist between the product chassis and the metal surface of the enclosure
or rack in which it is mounted or to a grounding conductor. Electrical continuity shall be provided by using
thread-forming type mounting screws that remove any paint or non-conductive coatings and establish a
metal-to-metal contact. Any paint or other non-conductive coatings shall be removed on the surfaces between
the mounting hardware and the enclosure or rack. The surfaces shall be cleaned and an antioxidant applied
before installation.
Note
Planning for Power Requirements
The switch includes two power supplies (1-to-1 redundancy with current sharing) in one of the following
combinations:
• Two 3200-W AC/HVDC power supplies
• Two 3200-W DC/HVDC power supplies
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Preparing the Site
Shock and Vibration Requirements

For n+1 redundancy, you can use one or two power sources for the two power supplies. For n+nredundancy,
you must use two power sources and connect each power supply to a separate power source.
Note
Some of the power supply modules have rating capabilities that exceed the switch requirements. When
calculating your power requirements, use the switch requirements to determine the amount of power that is
required for the power supplies.
Note
To minimize the possibility of circuit failure, make sure that each power-source circuit that is used by the
switch is dedicated to the switch.
For AC input application, please refer to the following statement:
Note
Statement 1005—Circuit Breaker when using AC power supplies
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).
Warning
For DC input application, please refer to the following statement:
Note
Statement 1033
Connect the unit only to DC power source that complies with the Safety Extra-Low Voltage (SELV)
requirements in IEC 60950 based safety standards.
Warning
We recommend 8-AWG wire for DC installations in the U.S.
Note
For the power cables to use with the power supplies, see Power Cable Specifications, on page 43.
Note
Airflow Requirements
The switch is positioned with its ports in either the front or the rear of the rack depending on your cabling
and maintenance requirements. 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:
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Preparing the Site
Airflow Requirements

• Port-side exhaust airflow—Cool 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—Cool 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.
• White coloring on HVAC/HVDC power supplies indicates dual-direction airflow.
To prevent the switch from overheating and shutting down, you must position the air intake for the switch in
a cold aisle. 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.
Note
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).
Also, you must have power receptacles that are located within reach of the power cords that are used with the
switch.
Statement 1048—Rack Stabilization
The rack stabilizing mechanism must be in place, or the rack must be bolted to the floor before installation
or servicing. Failure to stabilize the rack can cause bodily injury.
Warning
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Preparing the Site
Rack and Cabinet Requirements

Clearance Requirements
Provide the chassis with adequate clearance between the chassis and any other rack, device, or structure so
that you can properly install the chassis. Provide the chassis with adequate clearance to 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 chassis
29.78 in (75.65 cm)
5Chassis1
Maximum extension of the bottom-support rails
36.0 in (91.0 cm)
6Vertical rack-mount posts and rails2
Depth of the front clearance area (equal to the
depth of the chassis).
29.78 in (75.65 cm)
7Chassis width
17.3 in (43.9 cm)
3
Width of the front clearance area (equal to the
width of the chassis with two rack-mount
brackets that are attached to it).
19.0 in (43.3 cm)
4
Both the front and rear of the chassis must be open to both aisles for airflow.
Note
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Preparing the Site
Clearance Requirements

CHAPTER 3
Installing the Chassis
•Installation Options with Rack-Mount Kits, on page 11
•Install a Rack, on page 11
•Unpacking and Inspecting a New Switch, on page 12
•Planning How to Position the Chassis in the Rack, on page 13
•Installing the Chassis in a Four-Post Rack, on page 13
•Grounding the Chassis, on page 20
•Starting the Switch, on page 22
Installation Options with Rack-Mount Kits
The rack-mount kit enables you to install the switch into racks of varying depths. You can position the switch
with easy access to either the port connections or the fan and power supply modules.
You can install the switch using the following rack-mount options:
• Rack-mount kit (NXK-ACC-KIT2-2RU) which you can order from Cisco.
For four post racks.
• Rack-mount kit (N9K-C9300-RMK) which you can order from Cisco.
For four post racks.
The rack or cabinet that you use must meet the requirements listed the in General Requirements for Cabinets
and Racks, on page 39 section.
You are responsible for verifying that your rack and rack-mount hardware comply with the guidelines that
are described in this doc.
Note
Install a Rack
Before you install the switch, you must install a standard four-post, 19-inch EIA data center rack (or a cabinet
that contains such a rack) that meets the requirements listed in Overview of Racks, on page 39.
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Step 1 Bolt the rack to the concrete subfloor before moving the chassis onto it.
Statement 1048—Rack Stabilization
The rack stabilizing mechanism must be in place, or the rack must be bolted to the floor before installation
or servicing. Failure to stabilize the rack can cause bodily injury.
Warning
Step 2 If the rack has bonded construction, connect it to the earth ground. This action enables you to easily ground the switch
and its components and to ground your electrostatic discharge (ESD) wrist strap to prevent damaging discharges when
you handle ungrounded components before installing them.
Step 3 Include one or two power sources at the rack. For AC power, provide a power receptacle. For DC power, provide a circuit
breaker with terminals for connecting power cables.
Statement 1018—Supply Circuit
To reduce risk of electric shock and fire, take care when connecting units to the supply circuit so that wiring
is not overloaded.
Warning
If you are not using power redundancy or are using n+1 redundancy, you need only one power source. If
you are using n+nredundancy, you need two power sources.
Note
Unpacking and Inspecting a New Switch
Before you install a new chassis, you need to unpack and inspect it to be sure that you have all the items that
you ordered and verify that the switch was not damaged during shipment. If anything is damaged or missing,
contact your customer representative immediately.
When you handle the chassis or its components, you must follow ESD protocol at all times to prevent ESD
damage. This protocol includes but is not limited to wearing an ESD wrist strap that you connect to the earth
ground.
Caution
Do not discard the shipping container when you unpack the switch. Flatten the shipping cartons and store
them. If you need to move or ship the system in the future, you will need this container.
Tip
Step 1 Compare the shipment to the equipment list that is provided by your customer service representative and verify that you
have received all of the ordered items.
The shipment should include the following:
• Switch chassis, which includes the following installed components:
• Two power supplies (any combination of the following with the airflow direction being the same as for the fan
modules):
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Installing the Chassis
Unpacking and Inspecting a New Switch

• fan modules (all fan and power supply modules must have the same airflow direction)
• Switch accessory kit
Step 2 Check the contents of the box for damage.
Step 3 If you notice any discrepancies or damage, send the following information to your customer service representative by
email:
• Invoice number of the shipper (see the packing slip)
• Model and serial number of the missing or damaged unit
• Description of the problem and how it affects the installation
Planning How to Position the Chassis in the Rack
The switch is designed so that you can have coolant air flow through the switch in one of the two following
directions:
• Enter the port side and exhaust out the power supply side (port-side intake airflow)
• Enter the power supply side and exhaust out the port side (port-side exhaust airflow)
For port-side intake airflow, the switch must have port-side intake fan and AC power supply modules with
one or more of the following colorings:
• Burgundy coloring on fan modules and AC power supplies
For port-side exhaust airflow, the switch must have port-side exhaust fan and AC power supply modules with
one or more of the following colorings:
• Blue coloring on fan modules and AC power supplies
You can plan the positioning of the switch so that its ports are located close to ports on connected devices or
so that the fan and power supply modules are conveniently located in a maintenance aisle, and then order the
modules that move coolant air in the appropriate direction from the cold aisle to the hot aisle.
All fan and power supply modules in the same switch must operate with the same direction of airflow and
the air intake portion of the switch must be located in a cold aisle.
Note
Installing the Chassis in a Four-Post Rack
Before you install the chassis, be sure that the rack is fully secured to the data center floor.
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Installing the Chassis
Planning How to Position the Chassis in the Rack

Installing the Switch using the NXK-ACC-KIT2-2RU Rack-Mount Kit
To install the switch, you must attach inner rails to the chassis, attach the outer rails to the rack, slide the
switch onto the outer rails, and secure the switch to the rack with the retainer screws. Typically, the front of
the rack is the side easiest to access for maintenance.
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:
• Rack-mount inner rails (2)
• Rack-mount outer rails (2)
• Flat head screws (12)
• The rack is installed and secured to its location.
Step 1 Install the two inner rails to the sides of the chassis using flat-head screws, as shown in the following illustration:
Step 2 Install the two outer rails to the front posts of the rack by aligning the rails to the post holes, as shown in the following
illustration:
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Installing the Chassis
Installing the Switch using the NXK-ACC-KIT2-2RU Rack-Mount Kit