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Verification Time and Date

Planning Activity

Ambient temperature

Humidity

Altitude

Atmospheric contamination

Airflow

Power evaluation:

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:

Cisco Nexus 93180YC-EX ACI Mode Hardware Installation Guide

Site Preparation and Maintenance Records

Site Preparation Checklist

Summary of Contents for 9300-EX

Page 1: ...dware Installation Guide First Published 2016 05 23 Last Modified 2017 10 25 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 ...

Page 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...

Page 3: ...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 Rack and Cabinet Requirements 9 Clearance Requirements 10 C H A P T E R 3 Installing the Switch Chassis 13 Safety 13 Installation Options with Rac...

Page 4: ...5 Replacing Components 35 Replacing a Fan Module 35 Removing a Fan Module 36 Installing a Fan Module 36 Replacing a Power Supply Module 36 Replacing an AC Power Supply 37 Replacing a High Voltage HVAC HVDC Power Supply 38 Replacing a DC Power Supply 39 A P P E N D I X A Rack Specifications 43 Overview of Racks 43 General Requirements for Cabinets and Racks 43 Requirements Specific to Standard Open...

Page 5: ...wer Cable Specifications for AC Power Supplies 50 HVAC HVDC Power Cables Supported by ACI Mode and NX OS Mode Switches 51 DC Power Cable Specifications 52 Regulatory Standards Compliance Specifications 52 A P P E N D I X C LEDs 55 Switch Chassis LEDs 55 Fan Module LEDs 56 Power Supply LEDs 56 A P P E N D I X D Additional Kits 59 Accessory Kit 59 A P P E N D I X E Site Preparation and Maintenance R...

Page 6: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide vi Contents ...

Page 7: ...criptions use the following conventions Description Convention Bold text indicates the commands and keywords that you enter literally as shown bold Italic 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 ...

Page 8: ...uments for which you supply values are in italic screen font 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 Related Documentation The Application Centric Infrastructure documentation set includes the following...

Page 9: ...ence NX OS Release 11 0 Cisco Verified Scalability Guide for Cisco ACI Cisco ACI MIB Quick Reference Cisco Nexus CLI to Cisco APIC Mapping Guide Application Centric Inftrastructure Fabric Hardware Installation Guide Cisco NX OS Release Notes for Cisco Nexus 9000 Series ACI Mode Switches Cisco Nexus 9000 Series ACI Mode Licensing Guide Cisco Nexus 93108TX EX ACI Mode Switch Hardware Installation Gu...

Page 10: ... switches nexus 9000 series switches tsd products support series home html Cisco Application Virtual Switch Documentation The Cisco Application Virtual Switch AVS documentation is available at https 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 om...

Page 11: ... Power supply modules two one for operations and one for redundancy 1 1 with the following choices 650 W AC power supply with port side intake airflow burgundy coloring NXA PAC 650W PI 650 W AC power supply with port side exhaust airflow blue coloring NXA PAC 650W PE 1200 W HVAC HVDC power supply with dual direction airflow white coloring N9K PUV 1200W 930 W DC power supply with port side exhaust ...

Page 12: ... 2 6 40 100 Gigabit QSFP28 optical ports for uplink connections to spine switches 3 To determine which transceivers adapters and cables are supported by this switch see the Cisco Transceiver Modules Compatibility Information document The following figure shows the hardware features seen from the power supply side of the chassis Out of band management port SFP port 6 Two power supplies one used for...

Page 13: ... 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 ...

Page 14: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 4 Overview Overview ...

Page 15: ...erature 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 percent non condensing relative humidity ...

Page 16: ... 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 o...

Page 17: ...ts 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 h...

Page 18: ...uirements When calculating power requirements use the switch requirements to determine the amount of power required for the power supplies Note To minimize the possibility of circuit failure make sure that each power source circuit used by the switch is dedicated to the switch For AC input application please refer to the statement below Note Statement 1005 Circuit Breaker This product relies on th...

Page 19: ...ts 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 Gray coloring on DC power supplies indicates port side exhaust airflow Green coloring on DC power supplies indicates port side intake airflow To prevent the switch from overheating and shutting down...

Page 20: ... the cabinet if used No clearance is required between the chassis and the sides of the rack or cabinet no side airflow Additionally you must have power receptacles located within reach of the power cords used with the switch 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 se...

Page 21: ...s equals the depth of the chassis 7 Chassis width 3 Width of the front clearance area this equals the width of the chassis with two rack mount brackets attached to it 4 Both the front and rear of the chassis must be open to both aisles for airflow Note Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 11 Preparing the Site Clearance Requirements ...

Page 22: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 12 Preparing the Site Clearance Requirements ...

Page 23: ...T 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 accompan...

Page 24: ...he 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 Record equipment and installation information in the forms presented in Chassis and Module Information as you install and configure the switch Ensure that there is adequate clearance space around the switc...

Page 25: ... circuits supplying power to the switch are within the current ratings for the wiring and breakers Caution 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 Keep the shipping container in case the chassis requires shipp...

Page 26: ...y modules White see the color of the fan modules to determine the airflow direction used All power supplies and fan modules must have the same direction of airflow Note Installing the Switch 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 th...

Page 27: ...the cold aisle If the power supply modules have white coloring look at the fan modules to determine the airflow direction for the switch Note 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 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 t...

Page 28: ...s 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 ...

Page 29: ...l 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 Cisco Nexus 93180YC EX ACI M...

Page 30: ...ly slide the switch all the way into the rack until the front rack mount brackets come in contact with two rack or cabinet posts If you attached a grounding cable to the chassis you will need to bend one of the rack mount rails slightly to allow the grounding lug to go behind the rail Note c Holding the chassis level insert two screws 12 24 or 10 32 depending on the rack type in each of the two fr...

Page 31: ...e other end of the wire to the facility ground 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 th...

Page 32: ...r the data center building 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 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 ...

Page 33: ... sources 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 Note 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...

Page 34: ...connector block into the receptacle on the power supply Make sure that the connector block clicks when fully inserted in the receptacle and does not pull out d If there is a safety 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 gre...

Page 35: ... fabric topology includes the following major components Application Centric Infrastructure Controller APIC appliance cluster of APICs Leaf switches Cisco Nexus 93108TC EX 93108TC FX 93120TX 93128TX 93180LC EX 93180YC EX 93180YC FX 9332PQ 9348GC FXP 9372PX 9372PX E 9372TX 9372TX E 9396PX and 9396TX switches Spine switches Cisco Nexus 9336PQ 9364C 9504 9508 and 9516 switches As shown in the followi...

Page 36: ...evices When preparing to connect the fabric devices consider the following for each type of interface and gather all of the required equipment before making the connections Cabling type required for each interface type Distance limitations for each signal type Additional interface equipment required Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 26 Connecting the Switch to the ACI Fab...

Page 37: ...ectors Attenuation loss of light increases with contamination and should be kept below 0 35 dB Clean these parts before installing them to prevent dust from scratching the fiber optic cable ends 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 tec...

Page 38: ...st html For a VIC1225T 10GBASE T copper module use 10GBASE T cables with RJ 45 connectors 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 Optical Cables insert the transcei...

Page 39: ...SFP28 fixed ports Cisco Nexus 9348GC FXP 40 Gigabits 6 QSFP ports Cisco Nexus 9372PX Cisco Nexus 9372PX E Cisco Nexus 9372TX Cisco Nexus 9372TX E 40 Gigabits 6 QSFP ports with M6PQ or M4PQ E uplink module Cisco Nexus 9396PX Cisco Nexus 9396TX 10 or 40 Gigabits1 12 QSFP ports with M12PQ uplink module 1 For 10 Gigabit support use a QSFP to SFP adapter such as CVR QSFP SFP10G with a SFP or SFP transc...

Page 40: ...laser radiation when open Do not view directly with optical instruments Warning Statement 1055 Class I and Class 1M Laser Class I CDRH and Class 1M IEC laser products Warning Statement 1056 Unterminated Fiber Cable Invisible laser radiation may be emitted from the end of the unterminated fiber cable or connector Do not view directly with optical instruments Viewing the laser output with certain op...

Page 41: ... network The fabric automatically implements Equal Cost Multi Pathing ECMP and enables all links You do not need to configure the links Setting Up an Optional Console Interface You can optionally set up a console interface for performing the initial configuration of the switch To do this use the interface cable provided in the accessory kit to connect the switch to your console device You can conn...

Page 42: ...interface cable with LH or SX SFP transceivers can be used for longer connections If you use the management interface connect only one of the two management ports The switch does not support your use of two management ports at the same time Note Step 2 Connect the other end of the cable to an external hub switch or router Maintaining Transceivers and Optical Cables Transceivers and fiber optic cab...

Page 43: ...cleaning techniques can be effective refer to your site s fiber optic connection cleaning procedures Inspect routinely for dust and damage If you suspect damage clean and then inspect fiber ends under a microscope to determine if damage has occurred Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 33 Connecting the Switch to the ACI Fabric Maintaining Transceivers and Optical Cables ...

Page 44: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 34 Connecting the Switch to the ACI Fabric Maintaining Transceivers and Optical Cables ...

Page 45: ...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 ...

Page 46: ... 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 Step 1 Holding the fan module by its handle align the back o...

Page 47: ...0W PI 930 W port side intake burgundy latch power supply requiring DC power source 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 Do not mix AC DC HVAC HVDC power supplies in the...

Page 48: ...ble 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 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 Note e Verify that the power supply is operational by making sure t...

Page 49: ...ply 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 If the power supply does not fit into the open slot turn the module over before sliding it carefully into the open slot Note b Test the installation by trying to pull the power supply out of the slot without using the release latch...

Page 50: ...ase 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 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 Caution Step 2 Install the replacement power supply as follows a Holding the replacement power supply wi...

Page 51: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 41 Replacing Components Replacing a DC Power Supply ...

Page 52: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 42 Replacing Components Replacing a DC Power Supply ...

Page 53: ... 0 to 40 C Standard perforated cabinets Solid walled cabinets with a roof fan tray bottom to top cooling Standard open 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...

Page 54: ...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 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 ca...

Page 55: ...e Specifications page 52 Environmental Specifications Specification Environment 32 to 104 F 0 to 40 C Ambient operating temperature Temperature 40 to 158 F 40 to 70 C Ambient non operating 8 to 80 with humidity gradation of 10 per hour 5 to 95 Operating Non operating Relative humidity 0 to 13 123 feet 0 to 4 000 meters Operating Altitude Switch Dimensions Height Depth Width Switch 1 72 inches 4 4 ...

Page 56: ...e 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 Requ...

Page 57: ...ange 90 132 VAC 180 264 VAC AC input voltage Nominal range 50 to 60 Hz Range 47 63 Hz AC input frequency 7 6 A at 100 VAC 3 65 A at 208 VAC Maximum AC input current 760 A at 100 VAC Maximum input volt amperes 650 W Maximum output power per power supply 33 A sub cycle duration Maximum inrush current 12 ms at 650 W Maximum hold up time 12 VDC Power supply output voltage 12 VDC Power supply standby v...

Page 58: ... 100 A Power supply output voltage For 200 to 277 VAC For 192 to 400 VDC 12 V at 2 5 A Power supply standby voltage Climate Savers Platinum Efficiency 80Plus Platinum certified Efficiency rating RSP1 Form factor 930 W DC Power Supply Port Side Intake Specifications These specifications apply to the 930 W DC UCSC PSU 930WDC port side intake power supplies Specification Characteristic Nominal range ...

Page 59: ... W Maximum input W 930 W Maximum output power per power supply 35 A at 35 Celcius Maximum inrush current 8 ms at 50 load Maximum hold up time 12 VDC Power supply output voltage 12 VDC Power supply standby voltage Climate Savers Platinum Efficiency 80Plus Platinum certified Efficiency rating 1U Form factor 930 W DC Power Supply Specifications These specifications apply to the following power suppli...

Page 60: ...ower supplies Power Cable Specifications for AC Power Supplies Cord Set Description Power Cord Part Number Locale Power Cord Jumper C13 C14 Connectors 6 6 feet 2 0 m CAB C13 C14 2M Power cord C13 to C14 recessed receptacle 10 A 9 8 feet 3 m CAB C13 C14 AC Cabinet jumper power cord 250 VAC 10 A C14 C13 connectors 2 3 feet 0 7 m CAB C13 CBN 250 V 10 A 8 2 feet 2 5 m CAB 250V 10A AR Argentina 250 VAC...

Page 61: ... 8 2 2 5 m CAB 9K10A UK United Kingdom No power cord included with switch NO POWER CORD All except Argentina Brazil and Japan HVAC HVDCPowerCablesSupportedbyACI ModeandNX OSModeSwitches Cord Set Description PowerCordPartNumber Power Type 2 foot 0 6 m cable with Saf D Grid and SD connectors CAB HVAC SD 0 6M HVAC 6 6 foot 2 0 m cable with Saf D Grid and C14 connector use for up to 240 V CAB HVAC C14...

Page 62: ...Argentina Brazil and Japan Regulatory Standards Compliance Specifications The following table lists the regulatory standards compliance for the switch Table 1 Regulatory Standards Compliance Safety and EMC Description Specification Products should comply with CE Markings according to directives 2004 108 EC and 2006 95 EC Regulatory compliance UL 60950 1 Second Edition CAN CSA C22 2 No 60950 1 Seco...

Page 63: ...00 3 3 KN22 Class A CNS13438 Class A EMC Emissions EN55024 CISPR24 EN300386 KN 61000 4 series EMC Immunity The product is RoH 6 compliant with exceptions for leaded ball grid array BGA balls and lead press fit connectors RoHS Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 53 System Specifications Regulatory Standards Compliance Specifications ...

Page 64: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 54 System Specifications Regulatory Standards Compliance Specifications ...

Page 65: ... has 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 minor alarm threshold Amber Temperature exceeds major alarm threshold Red The switch is not receiving power Off Fans and power supply modules are operational Green ENV At least one fa...

Page 66: ...upply 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 connected to a power source but not outputting power to the switch power supply might not be installed in the...

Page 67: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 57 LEDs Power Supply LEDs ...

Page 68: ...Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 58 LEDs Power Supply LEDs ...

Page 69: ...ck mount kit Front mount angled bracket 2 Rear mount slider bracket 2 Slider rails 2 M4 x 7 mm mounting screws 16 1 Console cable with DB 9F and RJ 45F connectors 1 kit Ground lug kit Two hole lug 1 M4 x 8 mm Phillips pan head screws 2 1 EAC Compliance document Not applicable 1 Hazardous substances list for customers in China Not applicable Cisco Nexus 93180YC EX ACI Mode Hardware Installation Gui...

Page 70: ...irTAC shtml If you purchased this product through a Cisco reseller you might receive additional contents in your kit such as documentation hardware and power cables Note For a list of the available power cables see Power Cable Specifications on page 50 Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 60 Additional Kits Accessory Kit ...

Page 71: ...essful 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 Verification Time and Date Planning Activity Space evaluation Space and layout Floor covering Impact and vibration Lighting Physical access Maintenance access E...

Page 72: ...e 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 Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 62 Site Preparation and Maintenance Records S...

Page 73: ...t person Contact phone 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 Use the following worksheet to record information about the switch Contract number Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 63 Site Preparation and Maintenance Records ...

Page 74: ...ateway 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 Fan module 2 Fan module 3 Fan module 4 Power Supply 1 Power Supply 2 Cisco Nexus 93180YC EX ACI Mode Hardware Installation Guide 64 Site Preparation and Maintenance Records Chassis and Module Information ...

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