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A P P E N D I X

Additional Kits

•

Rack Mount Kit NXK-ACC-KIT-1RU, on page 57

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Rack Mount Kit N3K-C3064-ACC-KIT, on page 57

Rack Mount Kit NXK-ACC-KIT-1RU

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

Quantity

Description

Illustration

Rack-mount kit

• Front brackets (2)

• Rear brackets (2)

• Slider rails (2)

• M4 Phillips pan-head screws

(6)

Rack Mount Kit N3K-C3064-ACC-KIT

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

Quantity

Description

Illustration

Rack-mount kit

• Front-mount angled bracket

(2)

• Rear-mount slider bracket (2)

• Slider rails (2)

• M4 x 7 mm mounting screws

(16)

Cisco Nexus 9236C NX-OS Mode Switch Hardware Installation Guide

Содержание Nexus 92160YC-X

Страница 1: ...ardware Installation Guide First Published 2016 09 19 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 ...

Страница 2: ...e encouraged 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 no...

Страница 3: ...ing 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 9 Clearance Requirements 10 Installing the Switch...

Страница 4: ...ing Transceivers and Optical Cables 32 Replacing Modules 33 C H A P T E R 5 Replacing a Fan Module During Operations 33 Replacing a Power Supply Module 34 Removing an AC Power Supply 34 Removing an HVAC HVDC Power Supply 35 Removing a DC Power Supply 36 Installing an AC Power Supply 36 Installing an HVAC HVDC Power Supply 37 Installing a DC Power Supply 38 Wiring a 48 V DC Electrical Connector Blo...

Страница 5: ...ations 49 AC Power Cables Supported by NX OS Mode Switches 49 HVAC HVDC Power Cables Supported by ACI Mode and NX OS Mode Switches 50 DC Power Cable Specifications 51 Regulatory Standards Compliance Specifications 51 LEDs 53 A P P E N D I X C Switch Chassis LEDs 53 Lane Link LEDs 54 Fan Module LEDs 54 Power Supply LEDs 54 Additional Kits 57 A P P E N D I X D Rack Mount Kit NXK ACC KIT 1RU 57 Rack ...

Страница 6: ...Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide vi Contents ...

Страница 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...

Страница 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...

Страница 9: ...tch 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 Nexus 93120TX NX OS Mode Switch H...

Страница 10: ...ur 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 Documentation which lists all new and...

Страница 11: ...s connect to the lower QSFP28 port CVR QSFP SFP10G which provides an SFP SFP port for one QSFP QSFP28 port on the switch These ports also support breakout cables with four 10 Gigabit SFP transceivers such as the QSFP 4X10G AOCxM and QSFP 4SFP10G CUxM cables Note 1 100 1000 management port 1 console port 2 software defined ports 1 USB port for saving or loading switch configurations The chassis for...

Страница 12: ...1200W 930 W port side intake DC power supply with green coloring UCSC PSU 930WDC 930 W port side exhaust DC power supply with gray coloring UCS PSU 6332 DC 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 po...

Страница 13: ...h slots numbered from 1 left to 4 right 2 Management port RJ 45 8 L1 port software defined 3 Screw holes 6 for attaching a mounting bracket 9 L2 port software defined 4 Grounding pad 10 Beacon BCN and Status STS LEDs 5 Depending on whether you plan to position the ports in a hot or cold aisle you can order the fan and power supply modules with port side intake or port side exhaust airflow For port...

Страница 14: ...he 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 will automatically use the same airflow direction as the other modules in the switch Note If the switch has port side intake airflow burgundy coloring for fan modules you must locate the ports in the cold aisle If th...

Страница 15: ...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 conditioning in the warmer months and by heat dur...

Страница 16: ...ny 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 poss...

Страница 17: ...e 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...

Страница 18: ...equired 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 Ensure that the protective de...

Страница 19: ...wer 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 Rack...

Страница 20: ...place or the rack must be bolted to the floor before you slide the unit out for servicing Failure to stabilize the rack can cause the rack to tip over 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 ai...

Страница 21: ...he 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 9236C NX OS Mode Switch Hardware Installation Guide 11 Preparing the Site Clearance Requirements ...

Страница 22: ...Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide 12 Preparing the Site Clearance Requirements ...

Страница 23: ...s for important Safety Information Statement 1071 Warning Definition IMPORTANT SAFETY INSTRUCTIONS This warning symbol means danger You are in a situation that could cause bodily injury Before you work on any equipment be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents Use the statement number provided at the end of each warn...

Страница 24: ...e for verifying that your rack and rack mount hardware comply with the guidelines that are described in this doc Note Airflow Considerations The switch comes with fan and power supply modules that have either port side intake or port side exhaust airflow for cooling the switch If you are positioning the port end of the switch in a cold aisle make sure that the switch has port side intake fan modul...

Страница 25: ...ly this often requires one or both of the following AC power supplies typically require at least a 15 A or 20 A AC circuit 100 to 240 VAC and a frequency of 50 to 60 Hz HVAC HVDC power supplies require the following HVAC input voltage range of 230 to 277 VAC with a frequency of 50 to 60 Hz HVDC input voltage range of 240 to 380 VDC DC power supplies require the following DC input voltage range of ...

Страница 26: ...p To ground the strap attach it directly to an earth ground or to a grounded rack or grounded chassis there must be a metal to metal connection to the earth ground Step 1 Compare the shipment to the equipment list provided by your customer service representative and verify that you have received all items including the following Accessory Kit For the contents of these kits see the Additional Kits ...

Страница 27: ... 32 or 12 24 screws required to mount the slider rails and switch to the rack Note Before you begin You have inspected the switch shipment to ensure that you have everything ordered Make sure that the switch rack mount kit includes the following parts Front rack mount brackets 2 Rear rack mount brackets 2 Slider rails 2 M4 x 0 7 x 8 mm Phillips countersink screws 12 The rack is installed and secur...

Страница 28: ...b 1 36 N m of torque d Repeat Step 1 for the other front rack mount bracket and the other back mount bracket on the other side of the switch and be sure to position that bracket the same distance from the front of the switch Depending on the chassis depth the back rack mount bracket may not fit In that case the back rack mount bracket is not needed Note Step 2 If you are not installing the chassis...

Страница 29: ...ounting rails Step 4 Insert the switch into the rack and attach it as follows a Holding the switch with both hands position the two rear rack mount brackets on the switch between the rack or cabinet posts that do not have slider rails attached to them see the following figure b Align the two rear rack mount guides on either side of the switch with the slider rails installed in the rack Slide the r...

Страница 30: ...unting brackets to the switch install slider rails on the rear of the rack slide the switch onto the slider rails and secure the switch to the front of the rack Typically the front of the rack is the side easiest to access for maintenance You must supply the eight 10 32 or 12 24 screws required to mount the slider rails and switch to the rack Note Before you begin You have inspected the switch shi...

Страница 31: ...h 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 two ways to mount these brackets on a typical chassis in following figure The holes that you use depend on the requirements of your rack...

Страница 32: ...wo M4 screws see Callout 4 or 8 in the previous figure Tighten the screws to 12 in lb 1 36 N m of torque c Repeat Step 2 for the other rear rack mount bracket on the other side of the switch Step 3 If you are not installing the chassis into a grounded rack you must attach a customer supplied grounding wire to the chassis as explained in the Grounding the Chassis on page 24 section If you are insta...

Страница 33: ...er rails installed in the rack 1 Mounting rails on rack or cabinet posts 4 Slide the rack mount guides onto the slider rails until the front rack mount brackets come in contact with the front rack mount rails 2 b Align the two rear rack mount guides on either side of the switch with the slider rails installed in the rack Slide the rack mount guides onto the slider rails and then gently slide the s...

Страница 34: ...ack with metal to metal connections between the switch and rack You can also ground the chassis which is required if the rack is not grounded by attaching a customer supplied grounding cable Attach the cable to the chassis grounding pad and the facility ground Statement 1024 Ground Conductor This equipment must be grounded Never defeat the ground conductor or operate the equipment in the absence o...

Страница 35: ...he wire out of the crimped lug 2 M4 screws are used to secure the grounding lug to the chassis 3 Chassis grounding pad 1 Grounding cable with 0 75 in 19 mm of insulation that is stripped from one end which is inserted into the grounding lug and crimped in place 2 Step 3 Secure the grounding lug to the chassis grounding pad with two M4 screws see the previous figure Tighten the screws to 11 to 15 i...

Страница 36: ...source as follows a Using the recommended high voltage power cable for your country or region connect the Anderson Power Saf D Grid connector on the power cable to the power receptacle on the power supply Make sure that the connector clicks when fully pushed into the receptacle b Connect the other end of the power cable to a power source When connecting to an HVAC power source insert the C14 or LS...

Страница 37: ... 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 modules the Status STA or STS LED is green If a fan module Status LED is not green try reinstalling the fan module After initialization the switch chassis Status labeled as STA or STS LED is green Step 7 Verify that the system software ...

Страница 38: ...Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide 28 Installing the Switch Chassis Starting the Switch ...

Страница 39: ...owered on Step 1 Connect the RJ 45 UTP cable to the MGMT ETH port on the switch Step 2 Connect the other end of the cable to a 10 100 1000 Ethernet port on a network device What to do next You are ready to connect the interface ports on each of the line cards to the network Connecting to Host Servers The switch has 36 ports that connect to host servers You can configure each of these ports for 100...

Страница 40: ...igure one or more ports to use this cable use the interface breakout module module_number port low_port_number high_port_number map 10g 4x command For the Cisco Nexus 9236C switch use 1 for the module_number If you are configuring only one port use the port number in place of low_port_number If you are configuring a range of ports specify the port numbers from low to high such as port 2 15 To dete...

Страница 41: ...iber ends under a microscope to determine if damage has occurred To minimize the chance of damaging transceivers when installing them slide them gently into their switch slots Never force transceivers all the way into the slots If the transceiver stops part way into the slot it might be upside down Remove the transceiver before turning it over and reinstalling it If positioned correctly the transc...

Страница 42: ...red 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 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 d...

Страница 43: ...ts in a cold aisle Before you begin Before you can replace a fan module ensure that both of the following conditions exist The replacement fan module must have the same airflow direction as the other modules in the chassis If you must replace the fan module during operations and both of the above conditions are not met leave the fan module that you need to replace in the chassis to preserve the de...

Страница 44: ...s the same airflow direction as the other modules in the chassis You can replace a power supply with another supported power supply that has the same power source type AC DC HVAC or HVDC and the same wattage rating as the other installed power supply Additionally the airflow direction of the power supply must match or conform to the airflow direction of the installed fan modules For the airflow di...

Страница 45: ...part number N2200 P BLNK What to do next You are ready to install the replacement power supply Removing an HVAC 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 c...

Страница 46: ...nward toward the power supply 2 Pull the connector block out of the power supply To remove an Anderson Power Products Saf D Grid power cable connector from a high voltage power supply press on the tab at the top of the Saf D Grid connector and pull the connector out of the power supply Step 3 Grasp the power supply handle while pressing the release latch towards the power supply handle Step 4 Pull...

Страница 47: ... its release latch is on the right side and align the back end of the power supply the end with the electrical connections to the open power supply slot before carefully sliding the power supply all the way into the slot until it clicks into place If the power supply does not fit into the open slot turn the module over before sliding it carefully into the open slot Note Step 2 Test the installatio...

Страница 48: ... back end of the power supply the end with the electrical connections to the open power supply slot before carefully sliding the power supply all the way into the slot until it clicks into place If the power supply does not fit into the open slot turn the module over before sliding it into the open slot Note Step 2 Test the installation by trying to pull the power supply out of the slot without us...

Страница 49: ...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 carefully sliding it into the open slot Note Step 2 If the DC power cables and a grounding cable are already connected to an electrical connector block insert the block into the power receptacle on ...

Страница 50: ... connector as shown in the following figure with the orange plastic button on top 48V DC cable 4 Wire retainer lever 1 Grounding cable 8 AWG recommended 5 Orange plastic button on top of the connector 2 48V Return DC cable 3 Step 5 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 the...

Страница 51: ... the cables are attached to the DC power source and ground You are then ready to turn on the DC power source Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide 41 Replacing Modules Wiring a 48 V DC Electrical Connector Block ...

Страница 52: ...Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide 42 Replacing Modules Wiring a 48 V DC Electrical Connector Block ...

Страница 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...

Страница 54: ... 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 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 perforatio...

Страница 55: ... Compliance Specifications on page 51 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 8 to 80 with humidity gradation of 10 per hour 5 to 95 Operating Nonoperating Relative humidity 0 to 13 123 feet 0 to 4 000 meters Operating Altitude Switch Dimensions Height Depth Width Switch 1 72 ...

Страница 56: ...r modules products device support tables list html To see the transceiver specifications and installation information see https www cisco com c en us support interfaces modules transceiver modules products device support tables list html Switch Power Input Requirements The following table lists the typical amount of power that the switch consumes It also lists the maximum amount of power that you ...

Страница 57: ... 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 voltage Climate Savers Platinum Efficiency 80Plus Platinum certified Efficiency rating RSP1 Form factor 1200 W HVAC HVDC Power Supply Specifications These specifications apply to the 1200 W HVAC HVDC N9K PUV 1200W...

Страница 58: ...930WDC port side intake power supplies Specification Characteristic Nominal range 48 to 60 VDC nominal Range 40 to 60 VDC DC input voltage range 23 A at 48 VDC Maximum DC input current 1104 W Maximum input W 930 W Maximum output power per power supply 35 A sub cycle duration Maximum inrush current 8 ms at 930 W Maximum hold up time 12 VDC Power supply output voltage 12 VDC Power supply standby vol...

Страница 59: ...s 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 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 10 A 31...

Страница 60: ... 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 Power Cord Part Number 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 2M HVAC 2 foot 0...

Страница 61: ...gentina 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 Second...

Страница 62: ...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 9236C NX OS Mode Switch Hardware Installation Guide 52 System Specifications System Specifications ...

Страница 63: ...e operator 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 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 E...

Страница 64: ...cking lane 1 1 Checking lane 2 2 Checking lane 3 3 Checking lane 4 4 Checking all four lanes None Fan Module LEDs The fan module LED is located below the air holes on the front of the module Status Color LED The fan module is operational Green STS The fan module is not operational fan is probably not functional Red Fan module is not receiving power Off Power Supply LEDs The power supply LEDs are l...

Страница 65: ...not be installed in the chassis Off Flashing green Power supply is not receiving power Off Off Power supply warning possibly one of 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 9236C NX OS Mode Switch Hardware Installation Guide 55 LEDs LEDs ...

Страница 66: ...Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide 56 LEDs LEDs ...

Страница 67: ...ption Illustration 1 Rack mount kit Front brackets 2 Rear brackets 2 Slider rails 2 M4 Phillips pan head screws 6 Rack Mount Kit N3K C3064 ACC KIT The following table lists and illustrates the contents for the 1 RU rack mount kit N3K C3064 ACC KIT Quantity Description Illustration 1 Rack mount kit Front mount angled bracket 2 Rear mount slider bracket 2 Slider rails 2 M4 x 7 mm mounting screws 16 ...

Страница 68: ...Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide 58 Additional Kits Rack Mount Kit N3K C3064 ACC KIT ...

Страница 69: ...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 70: ...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 9236C NX OS Mode Switch Hardwa...

Страница 71: ...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 9236C NX OS Mode Switch Hardware Instal...

Страница 72: ... Type Module Slot Fan module 2 Fan module 3 Fan module 4 Power Supply 1 Power Supply 2 Cisco Nexus 9236C NX OS Mode Switch Hardware Installation Guide 62 Site Preparation and Maintenance Records Site Preparation and Maintenance Records ...

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