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Cisco Nexus 9336PQ ACI-Mode Switch Hardware Installation Guide

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Страница 1: ...ardware Installation Guide First Published 2014 08 13 Last Modified 2019 03 28 Americas Headquarters Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 ...

Страница 2: ...ncouraged to try to correct the interference by using one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Modifications to this product not a...

Страница 3: ...Fan Modules 3 Power Supply Modules 3 Preparing the Site 5 C H A P T E R 2 Temperature Requirements 5 Humidity Requirements 5 Altitude Requirements 6 Dust and Particulate Requirements 6 Minimizing Electromagnetic and Radio Frequency Interference 6 Shock and Vibration Requirements 7 Grounding Requirements 7 Planning for Power Requirements 7 Airflow Requirements 9 Airflow Requirements 10 Cisco Nexus ...

Страница 4: ...tch to the ACI Fabric 25 C H A P T E R 4 ACI Fabric Topology 25 Preparing to Connect to Other Devices 26 Connecting Leaf Switches to APICs 27 Connecting Leaf Switches to Spine Switches 28 Installing a Gigabit Ethernet module GEM 30 Virtual Port Channel Migration Migration of Nodes from a First Generation Switch to a Second Generation Switch 30 Setting Up an Optional Console Interface 31 Setting Up...

Страница 5: ... 45 Switch and Module Weights and Quantities 45 Switch Power Input Requirements 46 Power Cable Specifications 46 3 kW AC Power Cable Specifications 47 3 kW Universal AC DC Power Cable Specifications 50 3 kW DC Power Supply Power Cord Specifications 54 LEDs 55 A P P E N D I X C Switch Chassis LEDs 55 Fan Module LEDs 56 Power Supply LEDs 56 Additional Kits 59 A P P E N D I X D Rack Mount Kit N9K C93...

Страница 6: ...Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide vi Contents ...

Страница 7: ...text indicates arguments for which the user supplies the values Italic 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 x y Braces enclosing keywords or arguments separated by a vertical bar indicate a required choice x y Nested set of square brackets or braces indicate optional...

Страница 8: ...vailable on Cisco com at the following URL https www cisco com c en us support cloud systems management application policy infrastructure controller apic tsd products support series home html Web Based Documentation Cisco APIC Management Information Mode Reference Cisco APIC Online Help Reference Cisco APIC Python SDK Reference Cisco ACI Compatibility Tool Cisco ACI MIB Support List Downloadable D...

Страница 9: ...dware Installation Guide Cisco Nexus 93120TX ACI Mode Switch Hardware Installation Guide Cisco Nexus 93128TX ACI Mode Switch Hardware Installation Guide Cisco Nexus 93180LC EX ACI Mode Switch Hardware Installation Guide Cisco Nexus 93180YC EX ACI Mode Switch Hardware Installation Guide Cisco Nexus 93180YC FX ACI Mode Switch Hardware Installation Guide Cisco Nexus 9332PQ ACI Mode Switch Hardware In...

Страница 10: ...ps www cisco com c en us support switches application virtual switch tsd products support series home html Documentation Feedback To provide technical feedback on this document or to report an error or omission please send your comments to apic docfeedback cisco com We appreciate your feedback Obtaining Documentation and Submitting a Service Request For information on obtaining documentation using...

Страница 11: ...C9300 FAN3 B Power supplies two one required for operations and an optional one for redundancy 1200 W AC power supply with port side intake airflow burgundy coloring N9K PAC 1200W 1200 W AC power supply with port side exhaust airflow blue coloring N9K PAC 1200W B 1200 W HVAC HVDC power supply with dual direction airflow white coloring N9K PUV 1200W 930 W DC power supply with port side intake airfl...

Страница 12: ...or attaching a front mount bracket for 4 post racks 1 bracket on each of 2 sides 6 USB ports 2 Notch in both sides of the chassis for locking the power supply end of the chassis to the bottom support brackets 7 Out of band management port RJ 45 port 3 Console port RJ232 port 4 Ports The switch chassis includes the following types of ports Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Gu...

Страница 13: ...e in the chassis until you are ready to replace it The fan modules are labeled FAN 1 on the left and FAN 2 on the right The switch must run with all of its power supply and fan modules taking in cooling air from a cold aisle and exhausting to a hot aisle If they take in air from the hot aisle the switch can overheat and shut down All fan and power supply modules must use the same direction of airf...

Страница 14: ...a cold aisle and exhausting to a hot aisle If they take in air from the hot aisle the switch can overheat and shut down All power supply and fan modules must use the same direction of airflow Caution Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 4 Overview Power Supply Modules ...

Страница 15: ...f the switch is not operating the temperature must be between 40 to 158 degrees Fahrenheit 40 to 70 degrees Celsius 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 per...

Страница 16: ... 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 ...

Страница 17: ...omponents 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 Alterna...

Страница 18: ...irements 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 This product relies on the building s inst...

Страница 19: ...e port end in the cold aisle and exhausts through the fan and power supply modules in the hot aisle Dual direction airflow The direction of the installed fan modules determines the airflow 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 ...

Страница 20: ... power supplies indicates port side intake 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 R...

Страница 21: ... place or the rack must be bolted to the floor before installation or servicing Failure to stabilize the rack can cause bodily injury Warning 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 maintai...

Страница 22: ...the chassis with two rack mount brackets that are attached to it 4 Both the front and rear of the chassis must be open to both aisles for airflow Note Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 12 Preparing the Site Clearance Requirements ...

Страница 23: ...wer supply modules You can install the switch using the following rack mount options Rack mount kit N9K C9300 RMK 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 the in General Requirements for Cabinets and Racks on page 43 section You are responsible fo...

Страница 24: ...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 pro...

Страница 25: ...nit 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 airflo...

Страница 26: ...ule end of the chassis Depending on direction of the chassis airflow you need to position the rail half with the chassis stop so that the fan and power supply modules end up in the appropriate aisle as follows Port side intake burgundy coloring for fan modules airflow requires that the bottom support rail with the chassis stop be located on the hot aisle side of the rack Port side exhaust blue col...

Страница 27: ... side intake modules you must position the bottom support rails so that the chassis stop is positioned by the hot aisle Step 2 Separate the two sliders that make up one bottom support rail and position the half with the chassis stop by the appropriate aisle for the fan and power supply modules Also make sure that there is at least 1 rack unit open above the bottom support rails so that you can eas...

Страница 28: ... sure that both have their chassis stops by the same aisle either both by the hot aisle or both by the cold aisle and that both rails are level and level with each other If they are not level adjust the higher rail down to the level of the lower rail Note What to do next You are ready to install two front mount brackets on the chassis Attaching Front Mount Brackets to the Chassis You need to attac...

Страница 29: ...ch the bracket to the chassis Tighten each screw to 11 to 15 in lb 1 2 to 1 7 N m Step 3 Repeat Steps 1 and 2 to attach the second center mount bracket to the other side of the chassis What to do next You are ready to mount the chassis to the four post rack Installing the Chassis in a Four Post Rack You need to slide the chassis onto the bottom support rails so that the power supply end locks onto...

Страница 30: ...en mounting or servicing this unit in a rack you must take special precautions to ensure that the system remains stable The following guidelines are provided to ensure your safety This unit should be mounted at the bottom of the rack if it is the only unit in the rack When mounting this unit in a partially filled rack load the rack from the bottom to the top with the heaviest component at the bott...

Страница 31: ... an M6 x 10 mm screw or other appropriate screw for the rack to attach each of the two mounting brackets on the chassis to the rack and tighten each screw to the appropriate torque setting for the screw for M6 x 10 mm screws use 40 in lbs 4 5 N m of torque Grounding the Chassis The switch chassis is automatically grounded when you properly install the switch in a grounded rack with metal to metal ...

Страница 32: ...oximately 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 Use a crimping tool to crimp the lug to the wire see the following figure Verify that the ground wire is securely attached to the grounding lug by attempting to pull the wire out of...

Страница 33: ...upply modules are fully secured in their chassis slots Step 1 For each AC power supply do the following a Using the recommended AC power cable for your country or region connect one end to the AC power supply b Connect the other end of the power cable to the AC power source Step 2 For each HVAC HVDC power supply connect it to a power source as follows a Using the recommended high voltage power cab...

Страница 34: ...afety cover for the terminals place and secure it over the terminals to avoid an electrical shock hazard e Turn on the power at the circuit breaker for the DC power source Step 4 Verify that the power supply LED is on and green Step 5 Listen for the fans they should begin operating when the power supply is powered Step 6 After the switch boots verify that the following LEDs are lit On the fan modu...

Страница 35: ...Topology The ACI fabric topology includes the following major components Application Centric Infrastructure Controller APIC appliance cluster of APICs Leaf switches for switch compatibility please see the data sheets here https www cisco com c en us products switches nexus 9000 series switches datasheet listing html Spine switches for switch compatibility please see the data sheets here https www ...

Страница 36: ...u shield any potential noise sources by housing them in a grounded metallic conduit Note The optical transceivers that are not already assembled to their cables come separate from their cables To prevent these transceivers and their cables from being damaged we recommend that you keep the transceivers disconnected from their cables when installing them in ports and then insert the optical cable in...

Страница 37: ...Controller APIC in your ACI fabric The type of virtual interface card VIC installed on the APIC determines the types of interface cables that you can use to connect the leaf switches to the APICs The VIC 1225T module supports copper connectors copper cables and switches with copper downlink ports such as Cisco Nexus 93108TC EX 93108TC FX 93120TX 93128TX 9372TX 9372TX E and 9396TX switches The VIC ...

Страница 38: ...ion see http www cisco com c en us support interfaces modules transceiver modules products installation guides list html Step 2 Connect the other end of the interface cable to a downlink port on a leaf switch For a Cisco 10GBASE LR or SR transceiver and cable insert the transceiver into a downlink optical port on a leaf switch before connecting the cable to the transceiver For Cisco SFP Active Opt...

Страница 39: ...6PQ 32 port 100 Gigabit such as N9K X9732C EX supported by Cisco Nexus 9504 and 9508 modular switches 36 port 100 Gigabit such as N9K X9736C FX You cannot include NX OS line cards in the same chassis when running in ACI mode Note Multiple uplinks from a leaf switch to a spine switch is supported A symmetrical topology is recommended so that all devices have equal access to resources Note Step 1 Fo...

Страница 40: ...secondary are first generation switches in vPC pair sending traffic as described above To determine which transceivers adapters and cables that this switch supports see http 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 http www cisco com c en us support interfaces...

Страница 41: ...nd generation switch will come up in about 10 to 22 seconds when STP is disabled for the deployed VLANs on the remote devices and there will be traffic drops in the range of 10 to 40 seconds depending upon the flows in the fabric When STP is enabled on the VLANs on the remote devices the traffic loss will be in the range of 40 to 75 seconds depending upon the flows in the fabric Step 7 Disconnect ...

Страница 42: ...witch and establish an IP address before you create the management connection Step 1 Connect the interface cable to a management port on the switch Step 2 Connect the other end of the cable to an external hub switch or router Optic Transceiver Removal Using the Optics Extraction Tool You use both ends of the optics extraction tool in this procedure You use the wide end for releasing the bale latch...

Страница 43: ... in an antistatic bag or other protective environment Maintaining Transceivers and Optical Cables Transceivers and fiber optic cables must be kept clean and dust free to maintain high signal accuracy and prevent damage to the connectors Contamination increases attenuation loss of light and should be below 0 35 dB Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 33 Connecting the Swit...

Страница 44: ...ectors Touching the ends can leave fingerprints and cause other contamination Clean the connectors regularly the required frequency of cleaning depends upon the environment In addition clean connectors if they are exposed to dust or accidentally touched Both wet and dry cleaning techniques can be effective refer to the fiber optic connection cleaning procedures for your site Inspect routinely for ...

Страница 45: ...n coloring for the same airflow direction To avoid over heating the switch make sure that the fan modules are positioned in one of the following ways For port side exhaust airflow with blue coloring position the fan modules in a cold aisle For port side intake airflow with burgundy coloring position the ports in a cold aisle Before you begin Before you can replace a fan module ensure that both of ...

Страница 46: ... port side exhaust airflow direction and a blue stripe N9K C9300 FAN3 port side intake airflow direction and a burgundy stripe Be sure that the airflow direction of the new fan module matches the airflow direction of the other fan and AC power supply modules already installed in the chassis Port side intake airflow is indicated with burgundy or green coloring and port side exhaust airflow is indic...

Страница 47: ...s 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 and the same wattage rating as the other installed power supply Additionally the airflow direction of the power supply must match or conform to the airflow direction of the installed fan modules For the airf...

Страница 48: ...it out of the chassis Either place the power supply on an antistatic surface or pack it in its packing materials Step 4 If the power supply slot is to remain empty install a blank power supply filler panel part number N2200 P BLNK What to do next You are ready to install the replacement power supply Removing a DC Power Supply You can remove one power supply while the other one provides power to th...

Страница 49: ...ow direction as the power supplies with red coloring and DC power supplies with gray coloring have the same port side exhaust airflow direction as the power supplies with blue coloring If the power supply that you are replacing has a different color handle than the replacement power supply verify that it has or will have the same airflow direction as the other modules in the switch Note An AC powe...

Страница 50: ... the same airflow direction as the fan trays installed in the same switch A DC 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 do not mix AC and DC power sources for the same switch Otherwise only one power source is req...

Страница 51: ...r Supply High touch leakage current Permanently connected protective earth ground is essential before connecting to system power supply Warning Statement 1024 Ground Conductor This equipment must be grounded To reduce the risk of electric shock never defeat the ground conductor or operate the equipment in the absence of a suitably installed ground conductor Contact the appropriate electrical inspe...

Страница 52: ...ack DC negative wire into the aperture and then release the lever Step 7 Use a small screwdriver to depress the spring loaded wire retainer lever on the upper spring cage wire connector Insert your red DC positive wire into the aperture and then release the lever Step 8 Insert the connector block back into the power supply Make sure that your red DC positive wire aligns with the power supply label...

Страница 53: ...n racks 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 Note General Requirements for Cabinets and Racks The cabinet or rack must als...

Страница 54: ... 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 one rack unit RU equal to 1 75 inches 4 4 cm 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 re...

Страница 55: ... to 40 C Ambient operating temperature Temperature 40 to 158 F 40 to 70 C Ambient nonoperating 5 to 85 Nonoperating Relative humidity 0 to 13 123 feet 0 to 4 000 meters Operating Altitude Switch Dimensions Height Depth Width Switch 3 5 inches 8 9 cm 2 RU 22 5 inches 57 1 cm 17 5 inches 44 5 cm Cisco Nexus 9336PQ Switch and Module Weights and Quantities Quantity Weight per Unit Component 1 24 3 lb ...

Страница 56: ...mount of power that the switch consumes It also lists the maximum amount of power that you must provision for the switch and power supply for peak conditions Some power supplies have 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 that are listed in the followin...

Страница 57: ...a 16 A 250 VAC CAB 9K16A BRZ Brazil 16 A 250 VAC CAB 9K16A KOR Korea TBD 16 A 250 VAC CAB 9K16A SA South Africa 16 A 250 VAC CAB AC 16A AUS Australia and New Zealand 16 A 250 VAC CAB AC 16A CH Peoples Republic of China Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 47 System Specifications 3 kW AC Power Cable Specifications ...

Страница 58: ...500W INT International 16 A 250 VAC CAB AC 2500W ISRL Israel 16 A 250 VAC CAB AC 2500W US1 Japan and North America nonlocking 200 240 VAC operation 16 A 250 VAC CAB AC C6K TWLK Japan and North America locking 200 240 VAC operation Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 48 System Specifications System Specifications ...

Страница 59: ...straight blade NEMA 6 20 plug CAB AC STRT C19US US 16 A 250 VAC IEC 60320 C19 to CEI 23 16 CAB C2316 C19 IT Italy 16 A 250 VAC IEC 60320 C19 to EL 218 CAB AC C19 TW Taiwan N A No power cord is included with order NO POWER CORD All except Argentina Brazil and Japan Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 49 System Specifications System Specifications ...

Страница 60: ...rd Part Number Locale 16 A 250 VAC AU20LS3 Saf D Grid CAB AC 16A SG AZ Australia and New Zealand 16A 250 VAC CAB AC 16A SG EU 16 A 250 VAC CAB AC 16A SG IS Israel Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 50 System Specifications 3 kW Universal AC DC Power Cable Specifications ...

Страница 61: ...art Number Locale 16 A 250 VAC CAB AC 16A SG IN International UK 16 A 250 VAC CAB AC 16A SG IT Italy 16 A 250 VAC CAB AC 16A SG SA South Africa Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 51 System Specifications System Specifications ...

Страница 62: ...VAC 20 A CAB AC 20A SG C20 North America 16 A 250 VAC CAB AC 20A SG US North America 250 VAC 20 A CAB AC 20A SG US2 North America non locking 200 240 VAC operation 250 VAC 20 A CAB AC 20A SG US3 North America Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 52 System Specifications System Specifications ...

Страница 63: ... VAC 20 A CAB HV 25A SG IN1 International Saf D Grid Saf D Grid 20A 300 VAC 500 VDC CAB HV 25A SG IN2 International Ring Terminal source plug Ring Terminal Saf D Grid 277 VAC 240 VDC 380 VDC 25 A CAB HV 25A SG US1 North America Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 53 System Specifications System Specifications ...

Страница 64: ... Specifications Each 3 kW DC power supply requires four customer supplied power cables two negative cables and two positive cables We recommend using six gauge cables Cisco supplies 6 gauge lugs for connections to the power supply You supply the connectors that are required to connect the cables to the DC power source Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 54 System Specifi...

Страница 65: ...s activated this LED to identify this switch in the chassis Flashing blue BCN This switch is not being identified Off The switch is operational Green STS The switch is booting up Flashing amber Temperature exceeds the minor alarm threshold Amber Temperature exceeds the minor alarm threshold Red The switch is not receiving power Off Fans and power supply modules are operational Green ENV At least o...

Страница 66: ...nal fan is probably not functional Red Fan module is not receiving power Off 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 Status LED LED Power supply is on and outputting power to the switch Off Green Power supply is con...

Страница 67: ...f the following conditions High voltage High power Low voltage Power supply installed in chassis but not connected to a power source Slow power supply fan Flashing amber Green Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 57 LEDs LEDs ...

Страница 68: ...Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 58 LEDs LEDs ...

Страница 69: ...ount Kit N9K C9300 RMK The following table lists and illustrates the contents for the 2 RU rack mount kit N9K C9300 RMK Quantity Description Illustration 1 Rack mount kit Bottom support rails 2 Front mount brackets 2 Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 59 ...

Страница 70: ...Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 60 Additional Kits Additional Kits ...

Страница 71: ...on 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 Verification Time and Date Planning Activity Space evaluation Space and layout Floor covering Impact and vibration Lighting Physical access Maintenance access Environmental evaluation Ambient t...

Страница 72: ...enter 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 Cisco Nexus 9336PQ ACI Mode Switch Hardwa...

Страница 73: ...al 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 Notes Module Serial Number Module Type Module Slot Fan module 1 Cisco Nexus 9336PQ ACI Mode Switch Hardware Instal...

Страница 74: ... Module Type Module Slot Fan module 2 Fan module 4 Power Supply 1 Power Supply 2 Cisco Nexus 9336PQ ACI Mode Switch Hardware Installation Guide 64 Site Preparation and Maintenance Records Site Preparation and Maintenance Records ...

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