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Cisco Nexus 9272Q NX-OS Mode Switch Hardware Installation Guide

First Published:

2016-03-24

Last Modified:

2018-10-19

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

Summary of Contents for Nexus 9272Q

Page 1: ...ardware Installation Guide First Published 2016 03 24 Last Modified 2018 10 19 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: ...o 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 authorized b...

Page 3: ...paring the Site 5 C H A P T E R 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 9 Rack and Cabinet Requirements 10 Clearance Requirements 10 Installing the Ch...

Page 4: ...ck 22 Grounding the Chassis 24 Starting the Switch 26 Connecting the Switch to the Network 29 C H A P T E R 4 Setting Up the Management Interface 29 Connecting to Host Servers 29 Guidelines for Connecting Ports 30 Maintaining Transceivers and Optical Cables 31 Replacing Modules 33 C H A P T E R 5 Replacing a Fan Module During Operations 33 Replacing a Power Supply Module 35 Removing an AC Power Su...

Page 5: ...ifications 48 930 W DC Power Supply Port Side Intake Specifications 49 930 W DC Power Supply Port Side Exhaust Specifications 49 930 W DC Power Supply Specifications 50 Power Cable Specifications 50 AC Power Cables Supported by NX OS Mode Switches 50 HVAC HVDC Power Cables Supported by ACI Mode and NX OS Mode Switches 52 DC Power Cable Specifications 53 Regulatory Standards Compliance Specificatio...

Page 6: ...Contact and Site Information 62 Chassis and Module Information 63 Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide vi Contents ...

Page 7: ...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 Braces enclosing keywords or arguments separated by a vertical bar indicate a required choice x y Nested set of square brackets or bra...

Page 8: ...owing URL https www cisco com en US products ps13386 tsd_products_support_series_home html Release Notes The release notes are available at the following URL https www cisco com en US products ps13386 prod_release_notes_list html Configuration Guides These guides are available at the following URL https www cisco com en US products ps13386 products_installation_and_configuration_guides_list html T...

Page 9: ...o Nexus 92160YC X NX OS Mode Switch Hardware Installation Guide Cisco Nexus 92300YC NX OS Mode Switch Hardware Installation Guide Cisco Nexus 92304QC NX OS Mode Switch Hardware Installation Guide Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide Cisco Nexus 93108TC EX NX OS Mode Switch Hardware Installation Guide Cisco N...

Page 10: ...edback cisco com We appreciate your feedback 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 Docu...

Page 11: ...B port The chassis for this switch includes the following user replaceable components Fan modules two with the following airflow choices Port side intake airflow with burgundy coloring N9K C9300 FAN3 Port side exhaust airflow with blue coloring N9K C9300 FAN3 B Table 1 Fan Speeds for this Switch Port Side Exhaust Fan Speed Port Side Intake Fan Speed 70 50 Typical Minimum 100 100 Maximum Note Power...

Page 12: ...haust DC power supply with blue coloring NXA PDC 930W PE Both power supplies should be the same type Do not mix AC DC or HVAC HVDC power supplies Note All fan modules and power supplies must use the same airflow direction during operations If you are using the 1200 W HVAC HVDC power supplies those power supplies automatically use the same airflow direction as used by the other modules in the switc...

Page 13: ...ed 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 Management ports 2 RJ 45 and SFP 6 Screw holes 2 for attaching the grounding lug to both sides of the chassis 1 Chassis LEDs include the following Beacon BCN Status STS 7 Notch in both sides of the chassis for locking...

Page 14: ...direction of the other modules installed in the switch 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 o...

Page 15: ... 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 noncondensing relative humidity Buildings in which the climate is controlled by air c...

Page 16: ... 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 f...

Page 17: ...nd 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 ground...

Page 18: ...e 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 installation for short circuit overcurrent protection En...

Page 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 ...

Page 20: ...inches 11 4 cm between the front of the chassis and the interior of the cabinet required for cabling 3 0 inches 7 6 cm between the rear of the chassis and the interior of the cabinet required for airflow in the cabinet if used No clearance is required between the chassis and the sides of the rack or cabinet no side airflow Also you must have power receptacles that are located within reach of the p...

Page 21: ...to the depth of the chassis 7 Chassis width 3 Width of the front clearance area equal to the width of 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 9272Q NX OS Mode Switch Hardware Installation Guide 11 Preparing the Site Clearance Requirements ...

Page 22: ...Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide 12 Preparing the Site Clearance Requirements ...

Page 23: ...nto 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 N9K C9300 RMK which you can order from Cisco For two and four post racks You can install the switch in the following types of racks Open EIA rack Perforated EIA cabinet The rack o...

Page 24: ...d 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 n redundancy 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...

Page 25: ...h blue coloring N9K C9300 FAN3 B Port side intake airflow with burgundy coloring N9K C9300 FAN3 Switch accessory kit Rack mount 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 o...

Page 26: ...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 Two Post Rack Before you install the chassis be sure that the rack is fully secured to the data center floor You must attach mounting brackets to the chassis before mounting the chassis Attaching Center Mount Brackets to the Chassis You ne...

Page 27: ...e chassis Align four screw holes in the bracket to four screw holes in the side of the chassis 1 Step 2 Use four M4 x 8 mm screws to attach 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 two post rack Instal...

Page 28: ...sis Make sure that you have six customer supplied rack mount screws typically M6 x 10 mm or the appropriate screw for the vertical mounting rails on the rack You have at least two people to install the chassis Statement 1006 Chassis Warning for Rack Mounting and Servicing To prevent bodily injury when mounting or servicing this unit in a rack you must take special precautions to ensure that the sy...

Page 29: ...upport Rails to the Rack The switch chassis that you are installing ships with two adjustable bottom support rails that you can attach to a four post rack to hold the chassis Each of these bottom support rails has two pieces one that slides into the other so that you can adjust them to fit racks with front and rear mounting posts that are spaced less than 36 inches 91 cm On each bottom support rai...

Page 30: ...om to the top with the heaviest component at the bottom of the rack If the rack is provided with stabilizing devices install the stabilizers before mounting or servicing the unit in the rack Warning Step 1 Look at the fan and power supply modules installed in the chassis to determine how you must position the bottom support rails on the rack If the fan modules have blue coloring port side exhaust ...

Page 31: ...ttom support bracket to the rear of the rack 1 Chassis stop on the expanding bottom support bracket 2 Step 5 Repeat Steps 2 and 3 to attach the other expanding bottom support rails to the other side of the rack Check the two installed bottom support rails to be 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 l...

Page 32: ...ont mount bracket with two screw holes aligned to two screw holes in the chassis and one screw hole facing the front port side of the chassis 1 Step 2 Use two M4 x 6 mm screws to attach 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...

Page 33: ...astened to the sides of the chassis at the port end Make sure that you have two customer supplied rack mount screws M6 x 10 mm or appropriate screw for the vertical mounting rails on the rack Statement 1006 Chassis Warning for Rack Mounting and Servicing To prevent bodily injury when mounting or servicing this unit in a rack you must take special precautions to ensure that the system remains stabl...

Page 34: ... the chassis to the rack 4 Chassis stops for holding the chassis positioned by the aisle required for the fan and power supply modules 2 Step 2 Use a customer supplied rack mount screw 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 m...

Page 35: ...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...

Page 36: ...pply 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 cabl...

Page 37: ...fety 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 modul...

Page 38: ...Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide 28 Installing the Chassis Starting the Switch ...

Page 39: ... the management port on the switch For shorter connections you can use a cable with RJ 45 connectors For longer connections you can use an optical cable with SFP transceivers LH or SX type Use only one of these management ports the switch does not support the use of both management ports Note Step 2 Connect the other end of the cable to a 10 100 1000 or SFP port on a network device What to do next...

Page 40: ...l life Keep the transceivers and fiber optic cables clean and dust free to maintain high signal accuracy and to prevent damage to the connectors Contamination causes increased attenuation loss of light and should be kept below 0 35 dB Clean these parts before installation to prevent dust from scratching the fiber optic cable ends Clean the connectors regularly the required frequency of cleaning de...

Page 41: ...mage wear an ESD preventative wrist strap that is connected to the grounded chassis Do not remove and insert a transceiver more often than is necessary Repeated removals and insertions can shorten its useful life Keep all optical connections covered when not in use Clean them before using to prevent dust from scratching the fiber optic cable ends Do not touch the ends of connectors Touching the en...

Page 42: ...Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide 32 Connecting the Switch to the Network Maintaining Transceivers and Optical Cables ...

Page 43: ...hite coloring it can be used with fan modules using either port side intake or port side exhaust airflow 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...

Page 44: ...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 indica...

Page 45: ... 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 airfl...

Page 46: ...C HVDC Power Supply You can remove one power supply while the other one provides power to the switch To disconnect the power supply from its power cables you must shut off the power from the power source and then either disconnect a connector for the power cables or release each of three cables from the power supply requires a standard screw driver Step 1 Turn off the circuit breaker for the power...

Page 47: ... while pressing the release latch towards the power supply handle Step 4 Pull the power supply out of the bay What to do next You are ready to install a DC power supply in the open slot Installing an AC Power Supply You can replace one power supply while the other one provides power to the switch Before you begin The power supply that you are installing must be capable of using the same airflow di...

Page 48: ...ce Step 3 Attach the power cable to the electrical outlet on the front of the power supply Step 4 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 Step 5 Verify that the power...

Page 49: ...k insert the block into the power receptacle on the power supply If the electrical cables have not been connected to the electrical connector block wire them as described in Wiring a 48 V DC Electrical Connector Block on page 40 Step 4 Make sure that the other end of the power cable is connected to the appropriate power source for the power supply Step 5 If using a DC power source turn on the circ...

Page 50: ...nto the power receptacle on the power supply If the electrical cables have not been connected to the electrical connector block wire them as described in Wiring a 48 V DC Electrical Connector Block on page 40 Step 3 Turn on the circuit breaker for the DC power source connected to the power supply Step 4 Verify that the power supply is operational by making sure that the power supply LED is green F...

Page 51: ...Use a small screwdriver to depress the spring loaded wire retainer lever on the lower spring cage wire connector Insert your green ground wire into the aperture and then release the lever Step 6 Use a small screwdriver to depress the spring loaded wire retainer lever on the middle spring cage wire connector Insert your black DC negative wire into the aperture and then release the lever Step 7 Use ...

Page 52: ...Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide 42 Replacing Modules Wiring a 48 V DC Electrical Connector Block ...

Page 53: ... 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 also...

Page 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 two rack units RUs equal to 3 5 inches 8 8 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...

Page 55: ... page 50 Regulatory Standards Compliance Specifications on page 53 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 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 24 5 inche...

Page 56: ...W DC port side exhaust blue NXA PDC 930W PE 930 W DC port side intake burgundy NXA PDC 930W PI 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 ...

Page 57: ...fications These specifications apply to the following power supplies NXA PHV 500W NXA PHV 500W B Specification Characteristic 192 to 400 VDC 90 to 295 VAC Input voltage Nominal range 50 to 60 Hz Range 47 63 Hz Input frequency 500 W Maximum output power per power supply 12 V Power supply output voltage 12 V Power supply standby voltage Climate Savers Platinum Efficiency 80Plus Platinum certified Ef...

Page 58: ...C N9K PUV 1200W power supplies Specification Characteristic Nominal Range 200 to 277 VAC 240 to 380 VDC Input voltage AC for 1230 W output DC for 1230 W output Nominal 50 to 60 Hz Range 47 63 Hz AC input frequency 35 A cold turn on 70 A hot turn on Maximum inrush current Per power supply 1230 W 1230 W Maximum output Watts For 200 to 277 VAC For 192 to 400 VDC Per power supply 12 VAC at 100 A 12 VD...

Page 59: ... Power supply standby voltage Greater than 92 at 50 load Efficiency rating RSP1 Form factor 930 W DC Power Supply Port Side Exhaust Specifications These specifications apply to the 930 W DC UCS PSU 6332 DC power supplies Specification Characteristic 23 A at 48 VDC Maximum DC input current 1104 W Maximum input W 930 W Maximum output power per power supply 35 A at 35 Celcius Maximum inrush current 8...

Page 60: ...ower supply output voltage 12 VDC Power supply standby voltage Greater than 92 at 50 load Efficiency rating RSP1 Form factor Power Cable Specifications The following sections specify the power cables that you can order and use with this switch AC Power Cables Supported by NX OS Mode Switches Cord Set Description Power Cord Part Number Power Type Power Cord Jumper C13 C14 Connectors 6 6 feet 2 0 m ...

Page 61: ...Connectors 6 6 feet 2 0 m CAB C13 C14 2M JP Japan 125 VAC 13 A NEMA 5 15 plug 8 2 feet 2 5 m CAB 9K12A NA North America NEMA L6 20 C13 6 6 feet 2 0 m CAB AC L620 C13 North America 200 240V 6A 8 2 feet 2 5 m CAB N5K6A NA North America 250 V 10 A 8 2 feet 2 5 m CAB 250V 10A CN Peoples Republic of China 250 V 10 A 8 2 feet 2 5 m CAB 250V 10A ID South Africa 250 VAC 10 A MP232 plug 8 2 feet 2 5 m CAB ...

Page 62: ... HVDC 6 6 foot 2 0 m cable with Saf D Grid and three terminal connectors 300V AC 400V DC 200 200 V DC CAB HVDC 3T 2M Not applicable All except Argentina Brazil and Japan No power cord included with switch NO POWER CORD Table 2 HVAC HVDC Power Cables Callout Table Connect this end to the power supply unit 1 Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide 52 System Specifications HVA...

Page 63: ... compliance for the switch Table 3 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 CAN CSA C22 2 No 60950 1 Second Edition EN 60950 1 Second Edition IEC 60950 1 Second Edition AS NZS 60950 1 GB4943 Safety Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation...

Page 64: ...0 3 2 EN61000 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 9272Q NX OS Mode Switch Hardware Installation Guide 54 System Specifications System Specifications ...

Page 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 major alarm threshold Red The switch is not receiving power Off Fans and power supply modules are operational Green ENV At least o...

Page 66: ...al 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 conn...

Page 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 9272Q NX OS Mode Switch Hardware Installation Guide 57 LEDs LEDs ...

Page 68: ...Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide 58 LEDs LEDs ...

Page 69: ...unt 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 9272Q NX OS Mode Switch Hardware Installation Guide 59 ...

Page 70: ...Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide 60 Additional Kits Additional Kits ...

Page 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...

Page 72: ...nter 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 9272Q NX OS Mode Switch Hardwa...

Page 73: ...l 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 9272Q NX OS Mode Switch Hardware Instal...

Page 74: ...Number Module Type Module Slot Fan module 2 Power Supply 1 Power Supply 2 Cisco Nexus 9272Q NX OS Mode Switch Hardware Installation Guide 64 Site Preparation and Maintenance Records Site Preparation and Maintenance Records ...

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