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To prevent the switch from overheating and shutting down, you must position the air intake for the switch
in a cold aisle, and all of the fan and power supply modules must have the same direction of airflow (even
if their coloring is different).

Note

Rack and Cabinet Requirements

You can install the following types of racks or cabinets for your switch:

•

Standard perforated cabinets

•

Solid-walled cabinets with a roof fan tray (bottom-to-top cooling)

•

Standard open four-post Telco racks

To correctly install the switch in a cabinet that is located in a hot-aisle/cold-aisle environment, you should fit
the cabinet with baffles to prevent exhaust air from recirculating into the chassis air intake.

Work with your cabinet vendors to determine which of their cabinets meet the following requirements or see
the Cisco Technical Assistance Center (TAC) for recommendations:

•

Use a standard 19-inch (48.3-cm), four-post Electronic Industries Alliance (EIA) cabinet or rack with
mounting rails that conform to English universal hole spacing per section 1 of the ANSI/EIA-310-D-1992
standard.

•

The depth of a four-post rack must be 24 to 32 inches (61.0 to 81.3 cm) between the front and rear
mounting brackets.

•

Required clearances between the chassis and the edges of its rack or the interior of its cabinet are as
follows:

◦

4.5 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).

Additionally, you must have power receptacles located within reach of the power cords used with the switch.
For the power cord specifications, see the

Power Cord Specifications

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 servicing. Failure to stabilize the rack can cause the rack to tip over.

Warning

Cisco Nexus 9372PX and 9372PX-E NX-OS-Mode Switches Hardware Installation Guide

9

Preparing the Site

Rack and Cabinet Requirements

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Содержание Nexus 9372PX

Страница 1: ... Hardware Installation Guide First Published September 30 2014 Last Modified November 17 2015 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: ... 2014 2015 Cisco Systems Inc All rights reserved ...

Страница 3: ... 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 8 Rack and Cabinet Requirements 9 Clearance Requirements 10 C H A P T E R 3 Installing the Switch Chassis 11 Safety 11 Installation Opti...

Страница 4: ...ing Components 31 Replacing a Fan Module 31 Removing a Fan Module 31 Installing a Fan Module 32 Replacing a Power Supply Module 32 Removing an HVAC HVDC Power Supply 33 Removing an AC Power Supply 33 Removing a DC Power Supply 34 Installing an HVAC HVDC Power Supply 35 Installing an AC Power Supply 36 Installing a DC Power Supply 36 Wiring a 48 V DC Electrical Connector Block 37 A P P E N D I X A ...

Страница 5: ...d Specifications 45 A P P E N D I X C LEDs 47 Switch Chassis LEDs 47 Fan Module LEDs 48 Power Supply LEDs 48 A P P E N D I X D Accessory Kits 51 Accessory Kit Contents 51 A P P E N D I X E Site Preparation and Maintenance Records 53 Site Preparation Checklist 53 Contact and Site Information 55 Chassis and Module Information 55 Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installati...

Страница 6: ...Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide vi Contents ...

Страница 7: ... Command descriptions 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...

Страница 8: ...c 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 for Cisco Nexus 9000 Series NX OS Software The entire Cisco NX OS 9000 Series documentation set is available at the following ...

Страница 9: ... 7000 Series and 9000 Series NX OS MIB Quick Reference Cisco Nexus 9000 Series NX OS Programmability Guide Cisco Nexus 9000 Series NX OS Software Upgrade and Downgrade Guide Cisco Nexus 9000 Series NX OS System Messages Reference Cisco Nexus 9000 Series NX OS Troubleshooting Guide Cisco NX OS Licensing Guide Cisco NX OS XML Interface User Guide Hardware Documents Cisco Nexus 3000 Series Hardware I...

Страница 10: ...mitting 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 http www cisco com c en us td docs general whatsnew whatsnew html Subscribe to What s New in Cisco Product Documentation which lists all new and revised Cisco technical documentati...

Страница 11: ... one for operations and one for redundancy 1 1 with the following choices 1200 W HVAC HVDC dual direction airflow power supply with white coloring N9K PUV 1200W 650 W port side intake AC power supply with burgundy coloring N9K PAC 650W 650 W port side exhaust AC power supply with blue coloring N9K PAC 650W B 930 W port side intake DC power supply with green coloring UCSC PSU 930WDC 930 W port side...

Страница 12: ...f the chassis Figure 1 Chassis Features on the Port Side of the Chassis Screw holes for mounting brackets 4 Beacon BCN Status STS and Environment ENV LEDs 1 Grounding pad 5 1 and 10 Gigabit SFP interface ports 48 2 QSFP 40 Gigabit interface ports 6 3 To determine which transceivers adapters and cables are supported by this switch see the Cisco Transceiver Modules Compatibility Information document...

Страница 13: ... Guide for that FEX model 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 side intake airflow the fan and AC power supply modules have burgundy coloring DC power supply modules have green coloring For port side exhaust airflow the fan and AC power supplies have blue...

Страница 14: ... 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 the switch has port side exhaust airflow blue coloring for fan modules you must locate the ports in the hot aisle If you locate the air intake in a hot aisle the switch can overheat and shut down Caution Cisco Nexus 9372PX and 9372PX E NX OS Mode S...

Страница 15: ...gh 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 operate at 8 to 80 percent relative humidity with a humidity gradation of 10 percent per hour For nonoperating conditions the switch can withstand from 5 to 95 percen...

Страница 16: ...e 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 of interferen...

Страница 17: ...ory 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 You must provide the grounding cable to make this connection but you can connect the grounding wire to the switch using a ground...

Страница 18: ...AWG Note Airflow Requirements The switch is designed to be positioned with its ports in either the front or the rear of the rack depending on your cabling and maintenance requirements Depending on which side of the switch faces the cold aisle you must have fan and power supply modules that move the coolant air from the cold aisle to the hot aisle in one of the following ways Port side exhaust airf...

Страница 19: ...lish universal hole spacing per section 1 of the ANSI EIA 310 D 1992 standard The depth of a four post rack must be 24 to 32 inches 61 0 to 81 3 cm between the front and rear mounting brackets Required clearances between the chassis and the edges of its rack or the interior of its cabinet are as follows 4 5 inches 11 4 cm between the front of the chassis and the interior of the cabinet required fo...

Страница 20: ...ed for a Four Post Rack Installation Depth of the chassis 5 Chassis 1 Maximum extension of the bottom support rails 6 Vertical rack mount posts and rails 2 Depth of the front clearance area this 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...

Страница 21: ...on 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 accompanied this device SAVE THESE INSTRUCTIONS Warning Statement 1017 Restricted A...

Страница 22: ...ation in the forms presented in Chassis and Module Information as you install and configure the switch Ensure that there is adequate space around the switch to allow for servicing the switch and for adequate airflow see Clearance Requirements on page 10 Ensure that you are positioning the switch in a rack so that it takes in cold air from the cold aisle and exhausts air to the hot aisle If there i...

Страница 23: ...e immediately Keep the shipping container in case the chassis requires shipping at a later time Tip Before You Begin Before you unpack the switch and before you handle any switch components be sure that you are wearing a grounded electrostatic discharge ESD strap 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 conne...

Страница 24: ...etermine the airflow direction 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 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 requi...

Страница 25: ...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 following figure The holes that you use depend on the requirements of your rack and the amount of clearance required for interface cable...

Страница 26: ...bracket to the middle two screw holes in the remaining six screw holes on a side of the chassis If you are aligning the guide to holes that are near the port connections end of the chassis see Callout 3 in the previous 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 ...

Страница 27: ...lied 12 24 or 10 32 screws used to attach each slider rail to the rack 2 Slider rail with screw holes aligned to screw holes in rack 1 c Repeat Step 3 to attach the other slider rail to the other side of the rack To make sure that the slider rails are at the same level you should use a level tool tape measure or carefully count the screw holes in the vertical mounting rails Step 4 Insert the switc...

Страница 28: ...inet 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 switch all the way into the rack until the front rack mount bra...

Страница 29: ...ls on rack or cabinet posts 3 Fasten the chassis to the front of the rack with two 12 24 or 10 32 screws on each side 1 Front mount bracket 2 d Tighten the 10 32 screws to 20 in lb 2 26 N m or tighten the 12 24 screws to 30 in lb 3 39 N m Grounding the Chassis The switch is grounded when you connect the chassis and the power supplies to the earth ground in both of the following ways Cisco Nexus 93...

Страница 30: ...tor or operate the equipment in the absence of a suitably installed ground conductor Contact the appropriate electrical inspection authority or an electrician if you are uncertain that suitable grounding is available Warning Statement 1046 Installing or Replacing the Unit When installing or replacing the unit the ground connection must always be made first and disconnected last Warning Before You ...

Страница 31: ...ure and tighten the screws to 11 to 15 in lb 1 24 to 1 69 N m of torque Step 4 Prepare the other end of the grounding wire and connect it to an appropriate grounding point in your site to ensure an adequate earth ground for the switch If the rack is fully bonded and grounded connect the grounding wire as explained in the documentation provided by the vendor for the rack Starting the Switch You sta...

Страница 32: ...onnector block If the positive negative and grounding wires from the power source are not connected to the connector block see Wiring a 48 V DC Electrical Connector Block on page 37 c Insert the 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 ...

Страница 33: ...ng the fan module as described in Replacing a Fan Module on page 31 After initialization the switch chassis Status labeled as STA or STS LED is green The Link LEDs for the Ethernet connectors are lit if connected to interface cables Step 7 Verify that the system software has booted and the switch has initialized without error messages Step 8 Complete the worksheets provided in Site Preparation and...

Страница 34: ...Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 24 Installing the Switch Chassis Starting the Switch ...

Страница 35: ...ables in overhead or subfloor cable trays we strongly recommend that you locate power cables and other potential noise sources as far away as practical from network cabling that terminates on Cisco equipment In situations where long parallel cable runs cannot be separated by at least 3 3 feet 1 meter we recommend that you shield any potential noise sources by housing them in a grounded metallic co...

Страница 36: ...onnect to a modem If you do not connect it to a modem connect it either before powering the switch on or after the switch has completed the boot process Caution Before You Begin Before you connect the switch to a console ensure that you have the following Computer terminal that supports VT100 terminal emulation The terminal emulation software such as HyperTerminal or Procomm Plus makes communicati...

Страница 37: ... recommend that you keep these transceivers disconnected from their fiber optic cables when installing the transceiver in the I O module Before removing a transceiver for a fiber optic cable you must remove the cable from the transceiver To maximize the effectiveness and life of your transceivers and optical cables do the following Wear an ESD preventative wrist strap that is connected to an earth...

Страница 38: ...er insert or leave the dust plug in the cable end of the transceiver Note Step 1 Attach an ESD preventive wrist strap and follow its instructions for use Step 2 Remove the dust cover from the port cage Step 3 Remove the dust cover from the port end of the transceiver Step 4 Insert the transceiver into the port as follows If the transceiver has a Mylar tab latch position the transceiver with the ta...

Страница 39: ...ilar individual grounding device when handling QSFP transceiver modules or coming into contact with system modules Caution Step 1 Attach an ESD wrist strap to yourself and a properly grounded point on the chassis or the rack Follow its instructions for use Step 2 Remove the QSFP transceiver module from its protective packaging Step 3 Remove the dust cover from the port end of the transceiver Step ...

Страница 40: ...g and carefully slide the QSFP transceiver into the socket until the transceiver makes contact with the socket electrical connector Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 30 Connecting the Switch to the Network Installing QSFP Transceivers ...

Страница 41: ... you remove the fan assembly from the chassis Keep fingers screwdrivers and other objects away from the openings in the fan assembly s housing Warning Step 1 On the fan module that you are removing press the two sides of the fan module handle next to where it connects to the fan module and pull on the handles enough to unseat it from its connectors Step 2 Holding the handle pull the module out of ...

Страница 42: ...ng operations If the switch has only one power supply you can install and power up the replacement power supply in the open power supply slot before removing the original power supply You can replace a power supply with any other power supply that is supported by the same switch so long as it provides the same direction of airflow as the fan modules installed in the switch and you have the appropr...

Страница 43: ...rew driver Step 1 Turn off the circuit breaker for the power source to only the power supply that you are replacing be sure that this does not turn off power to the other power supply that is powering the switch during this replacement process Be sure that the LEDs turn off on the power supply that you are removing Step 2 Remove the power cable from the power supply by pressing the tab on the top ...

Страница 44: ...hey direct the flow of cooling air through the chassis Do not operate the system unless all cards faceplates front covers and rear covers are in place Warning Removing a DC Power Supply If the switch has two power supplies you can replace one power supply while the other one provides power to the switch If you have only one power supply in the switch install the replacement power supply in the ope...

Страница 45: ...the chassis Otherwise only one power source is required There must be an earth ground connection to the chassis that you are installing the replacement module To ground the chassis see Grounding the Chassis on page 19 Step 1 If the power supply slot has a blank filler panel remove it from the slot by moving its release latch to the left and pulling the panel out of the slot Step 2 Holding the repl...

Страница 46: ...r supply moves carefully press it all the way into the slot until it clicks in place Step 4 Attach the power cable to the electrical outlet on the front of the power supply Step 5 Connect the other end of the power cable to an AC power source if it is not already connected to a power source For no power redundancy connect one power supply to one power source For n 1 power redundancy connect two po...

Страница 47: ...y the end with the electrical connections to the open power supply slot and slide the power supply all the way into the slot until it clicks into place Step 3 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 the power supply If the electrical cables have not been connected to the electrical connector b...

Страница 48: ...ep 2 Remove the DC power connector block from the power supply by doing the following a Push the orange plastic button on the top of the connector block inward toward the power supply b Pull the connector block out of the power supply Step 3 Strip 0 6 inches 15 mm of insulation off the DC wires that you are using Step 4 Orient the connector as shown in the following figure with the orange plastic ...

Страница 49: ...e 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 DC Step 9 Verify that the other ends of the cables are attached to the DC ...

Страница 50: ...Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 40 Replacing Components Installing a DC Power Supply ...

Страница 51: ... 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 access to...

Страница 52: ...o 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 cabinet has ...

Страница 53: ... 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 95 Ambient noncondensing Relative humidity 0 to 13 123 feet 0 to 4 000 meters Operating Altitude Switch Dimensions Height Depth Width Switch Component 1 72 inches 4 4 cm 1 RU 22 5 inches 57 1 cm 17 3 inches 43 9 cm Cisco Nexus 9372PX chassis Cis...

Страница 54: ...determine which transceivers and cables are supported by this switch 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 modules transceiver modules products installation guides list html Power Input Requirements The...

Страница 55: ... 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 3112 plug 8 2 feet 2 5 m CAB 9K10A AU Australia 250 V 10 A 6 9 feet 2 1 m CAB 250V 10A BR Brazil 250 VAC 10 A CEE 7 7 plug 8 2 feet 2 5 m CAB 9K10A EU European Union 10 A 8 2 feet 2 5 m CAB IND 10A India 250 V 10 A 8 2 fe...

Страница 56: ...w 8 AWG cable with 3 pin keyed power supply connector and three wires power source connection CAB 48DC 40A 8AWG UCS PSU 6332 DC port side exhaust airflow Table 5 Power Cable Specifications for HVAC HVDC Power Supplies 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 connect...

Страница 57: ...is module in the chassis Flashing blue BCN This module is not being identified Off The switch is operational Green STS The switch is booting up Flashing amber Temperature exceeds major alarm threshold Flashing red The switch is not receiving power Off Fans and power supply modules are operational Green ENV At least one fan or power supply module is not operating Amber Port is connected with a tran...

Страница 58: ...hown in the following table Table 6 Power Supply LED Descriptions 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 chassis Off Flashing green Power supply is not receiving power Off Off Power supply warning possibly one of the following conditi...

Страница 59: ... possibly one of the following conditions Over voltage Over current Over temperature Power supply fan failure Amber Flashing green Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 49 LEDs Power Supply LEDs ...

Страница 60: ...Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 50 LEDs Power Supply LEDs ...

Страница 61: ...y Description 1 Rack 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 1 kit Ground lug kit Two hole lug 1 M4 x 8 mm Phillips pan head screws 2 1 EAC Compliance document 1 DCNM DVD 1 Hazardous substances list for customers in China Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 51 ...

Страница 62: ...l 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 r_n93xxx_power_cord_specs xml Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 52 Accessory Kits Accessory Kit Contents ...

Страница 63: ...tilation 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 Table 7 Site Preparation Checklist Verification Time and Date Planning Activity Space evaluation Space and layout Floor covering Impact and vibration Lighting Physical access Maintenance ...

Страница 64: ... 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 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 54 Site Preparation and Maintenance...

Страница 65: ...tact 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 three worksheets to record information about the chassis and modules Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 55 Site Preparation and Maintena...

Страница 66: ...router address DNS address Table 10 Module Information for the Switch Chassis Notes ModuleSerialNumber Module Type Slot Power supply 1 left Power supply 2 right Fan module 1 left Fan module 2 center left Fan module 3 center right Fan module 4 right Cisco Nexus 9372PX and 9372PX E NX OS Mode Switches Hardware Installation Guide 56 Site Preparation and Maintenance Records Chassis and Module Informat...

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