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Arista 7300 Series, Quick Start Manual

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Arista 7300 Series Quick Start Manual Download Page 45

Appendix  B

Fabric and Fan-only Module Description

Each switch has four rear slots for fabric modules. In addition to providing the data transport media,
fabric modules contain fan modules that circulate air through the switch. Proper switch operation
requires the population of each rear slot.

Switches that are configured for maximum traffic capacity contain a fabric module in each rear slot. In
network configurations that do not require maximum traffic capacity, an economical alternative is to
replace two fabric modules with fan-only modules.

Each fan-only module provides the cooling capacity of the corresponding fabric module through a set
of fans that are integrated into the module. The fans of a fan-only module are not removable, unlike the
fabric module that requires the insertion of individual fan modules.

Fan-only modules are available for the 7304 and 7308 switches. 

Fabric and Fan Modules: Extracted-

left

 displays a 7304 fabric module and a 7304 fan-only module that are removed from the switch.

Fabric and Fan Modules: Installed-right

 displays the rear panel of a 7304 switch that contains two

fabric modules and two fan-only modules.

Figure 31: Fabric and Fan-only Modules: Extracted (left) and Installed (right)

Each module includes lock-levers that secure it to the chassis. The module and the lock levers are
easily damaged by improperly removing, inserting, or handling the fabric module. Never use the lock
levers to lift or move the module after it is removed from the chassis.

The fan direction of the fabric modules is specified by the color of the fan modules. The fan direction
on fan-only modules is denoted by the indicator located below the top handle (

Figure 35: DCS-7304

Fabric and Fan-only Module (left); DCS-7304 Fan-only Module (right) 

).

The following module combinations are the only valid rear panel configurations:

•

Fabric Modules in slots 1 – 4

•

Fabric Modules in slots 1 – 2; Fan-only modules in slots 3 – 4.

Note:  On the 7308, if a fan-only module is not inserted, a metal piece covers the slot as
shown below

41

Summary of Contents for 7300 Series

Page 1: ...ARISTA Quick Start Guide 7300 Series Modular Data Center Switches Arista Networks www arista com PDOC 00040 16 ...

Page 2: ......

Page 3: ...ment 17 3 2 3 Switch Mounting Process 17 Chapter 4 Powering the Modular Switch 23 4 1 Cabling the AC Power Supply 24 4 1 1 Grounding the Switch 24 4 1 2 Connecting Power Cables to an AC Power Supply 24 4 2 Cabling the DC Power Supply 25 4 2 1 DC Power Supplies 25 4 2 2 Wire and Lug Preparation 26 4 2 3 PWR 3K DC Blue Power Supply 28 4 3 DC Power Adapter Installation for PWR 2700 DC R 28 4 3 1 Conn...

Page 4: ...odules 44 B 2 Handling Fan only Modules 45 B 2 1 Removing Fan only Modules 45 B 2 2 Inserting Fan only Modules 46 Appendix C Parts List 47 C 1 Parts Used in All Configurations 47 C 2 Four Post Rack Mount Parts 47 C 3 Four Post Rack Mount Kit Optional 106 575 074 00 48 C 4 Two Post Rack Mount Parts 48 Appendix D Front Panels 51 Appendix E Rear Panels 55 Appendix F Line Cards 59 Appendix G Taiwan Ro...

Page 5: ...g list and confirm that you received all listed items Compare the packing list with your purchase order Parts List provides a list of components included with the switch 1 3 Installation Process The following tasks are required to install and use the switch 1 Select and prepare the installation site Site Selection 2 Assemble the installation tools listed Tools Required for Installation 3 Attach th...

Page 6: ...stallation par l organisme compétent doivent être utilisées dans ce produit Important Ultimate disposal of this product must be handled in accordance with all national laws and regulations Aucune pièce réparable par l utilisateur à l intérieur Confiez toute réparation à un technicien qualifié The fabric module requires special handling when removing inserting or handling the component Fabric and F...

Page 7: ...6 A 20 A US 50 or 60 Hz 200 240 VAC 16 A 20 A US 50 or 60 Hz DC Power 48 60 VDC 80 A 48 60 VDC 80 A 48 60 VDC 80 A Branch Circuit Protection AC Power 20 A 20 A 20 A DC Power 100 A 100 A 100 A Input Power Circuits 1 to 4 circuits 2 to 6 circuits 3 to 8 circuits Operating Temperature 0 to 40 C 32 to 104 F 0 to 40 C 32 to 104 F 0 to 40 C 32 to 104 F Storage Temperature 40 to 70 C 40 to 158 F 40 to 70...

Page 8: ...n power PWR 3K DC fan power 43 W 43 W 43 W 43 W 43 W 43 W 43 W 43 W 7304 Series System Full chassis loaded with four DCS 7300X 64T LC line cards 1573 W 3048 W 7308 Series System Full chassis loaded with eight DCS 7300X 64T LC line cards 3077 W 4972 W 7316 Series System Full chassis loaded with Sixteen DCS 7300X 64T LC line cards 6729 W 10080 W 7324X Series System Full chassis loaded with four DCS ...

Page 9: ...S 7304 S FAN R FAN 7002 R DCS 7300X 32Q LC DCS 7300X 64S LC DCS 7300X 64T LC PWR 3K AC R PWR 2700 DC R DCS 7308 Forward DCS 7308X FM F DCS 7308 S FAN F FAN 7002 F DCS 7300X 32Q LC DCS 7300X 64S LC DCS 7300X 64T LC PWR 3K AC F PWR 2700 DC F DCS 7308 Reverse DCS 7308X FM R DCS 7308 S FAN R FAN 7002 R DCS 7300X 32Q LC DCS 7300X 64S LC DCS 7300X 64T LC PWR 3K AC R PWR 2700 DC R DCS 7316 Forward DCS 73...

Page 10: ...upply DCS 7304X3 DCS 7304X3 FM FAN 7002H F DCS 7300X3 32C LC PWR 3KT AC BLUE DCS 7308X3 DCS 7308X3 FM FAN 7002H F DCS 7320X 32C LC PWR 3KT AC BLUE Table 6 AC DC PSU Comparison Circuit Cabling and Airflow for DCS 7304 DCS 7308 and DCS 7316 lists an AC and DC Power Supply Unit PSU comparison of circuit cabling and airflow for the DCS 7304 DCS 7308 and DCS 7316 Table 6 AC DC PSU Comparison Circuit Ca...

Page 11: ... Power Supply Setup for LED Status lists the power supply setup for LED status indicators Table 7 Power Supply Setup for LED Status PWR 3K AC Blue PWR 3KT AC R PWR 2700 DC R PWR 3K DC Blue Power Supply State LED Name PWR 3K AC Red PWR 3KT AC F PWR 2700 DC F PWR 3K DC Red Input power present Normal Operation Vin Good DC Good Fault Green Green Off Green Green Off Green Green Off Green Input power pr...

Page 12: ...Input power present Supply not seated in chassis Vin Good DC Good Fault Off Off Off Off Off Blinking Green Off Off Off Blinking Amber 0 5 sec on off 8 ...

Page 13: ...dule handles indicate airflow direction Blue Handle Air Inlet module Red Handle Air Exit module Front Panels displays power supply module locations on the front panel Rear Panels displays fan module locations on the rear panel DCS 7316 switches may also contain rear panel power supply modules Verify the airflow direction of all modules satisfy these criteria All rear panel modules have the same co...

Page 14: ...reign objects are not drawn into the ventilation holes Verify these guidelines are met Clearance areas to the front and rear panels allow for unrestricted cabling All front and rear panel indicators can be easily read AC power cords can reach from the AC power outlet to the connectors on the front panel Important Disconnecting power to all input sockets is required to completely power off the unit...

Page 15: ... work area Use a conductive work surfaces such as an antistatic mat to dissipate static charge Wear an ESD wrist strap to dissipate static charge accumulation Minimize handling of assemblies and components Keep replacement parts in their original static free packaging Remove all plastic foam vinyl paper and other static generating materials from the work area Use tools that do not create ESD 11 ...

Page 16: ...12 ...

Page 17: ...ost rack assemble mounting brackets to the middle of the chassis then attach the brackets to the rack Important Two post rack mount parts are only available through your sales representative Two post rack mounting is not supported for DCS 7316 switches Pièces de montage rack à deux montants sont uniquement disponibles par l intermédiaire de votre représentant des ventes Montage en rack de deux pot...

Page 18: ... into the notch at the rear of the ledge of the right shelf Figure 3 Both Switch Shelves Installed 2 Move the chassis to the rack using a mechanical lift Figure 4 Lifting the Switch Chassis If modules are inserted in the chassis use the lift carefully to avoid damaging any components Figure 4 Lifting the Switch Chassis 3 Lift the chassis into the rack 4 Secure the chassis by tightening the six thu...

Page 19: ...t if required described below and attach all components with nuts and bolts that fit the rack The finished assembly for rack mounting the device is shown in Figure 6 Left Shelf Inner View Detailed mounting instructions for all rack types start from Shelf Installation Figure 5 Switch Shelves Installed Note The parts list for rack kit installations for round and threaded hole racks are listed in Par...

Page 20: ...tch open 3 Rear latch closed 6 Base 9 Rear latch open Figure 7 Right Shelf Outer View displays the outside view of the right shelf from where rack plugs and guide pins that insert into rack posts are visible Insets A and B To install shelves into posts with threaded or rounded holes attach the shelves with bolts that fit the rack Remove all plugs from the shelves if present Figure 7 Right Shelf Ou...

Page 21: ...ack plugs 3 Inset A Locked 6 Inset B 3 2 2 Component Placement Figure 9 Component Placement displays component placement for a 7304 8 RU switch Mounting ears brace the top of the switch their rack placement position differs for each switch model Using the placement of the shelves bottom front rack plug as a reference first RU and first hole the mounting ears are placed as follows 7304 8th RU 22nd ...

Page 22: ...ure 6 Left Shelf Inner View insets A and B Racks that do not require the locking mechanism skip to Step 2 2 Attach the front side of the shelf to its corresponding front rack post by inserting the shelf side rack plugs and guide pins into post slots Figure 10 Attaching the Right Shelf The shelf ledge must be between the front posts If the rack plugs were previously removed or not present use bolts...

Page 23: ...the shelf to the rear shelf and skip to Step 6 Figure 12 Seating the Left Shelf 6 Close the rear locking mechanism latch if present Figure 7 Right Shelf Outer View 3 2 3 2 Mounting Ear Installation The mounting ears attach the top of the switch to the rack posts Their placement on the posts depend on the switch model Component Placement The installation process for each mounting ear is identical T...

Page 24: ...t right rack post If rack plugs are not present align the threaded holes and attach the mounting ears with screws 2 If applicable close the front locking mechanism latch Figure 8 Mounting Ears 3 2 3 3 Inserting the Switch into the Rack 1 Rotate the stabilizer bar from the left shelf toward the right shelf such that the nob at the end of the stabilizer bar inserts into the notch at the rear of the ...

Page 25: ... inserted in the chassis use the lift carefully to avoid damaging any components Figure 15 Lifting the Switch Chassis 3 Lift the chassis into the rack 4 Secure the chassis by tightening the six thumbscrews on the front flanges into the rack posts After completing the Four Post Installation proceed to Powering the Modular Switch 21 ...

Page 26: ...22 ...

Page 27: ...its DCS 7316 Front Panel 6 modules Rear Panel 2 modules 3 active circuits Front Panels displays the location of the power supplies on the front panel of the switch Rear Panels displays the location of power supplies on the rear panel of DCS 7316 switches This chapter includes sections that describe procedure for grounding and cabling AC and DC power supplies After completing the instructions for y...

Page 28: ...are not supplied Wire size should meet local and national installation requirements Commercially available 6 AWG wire is recommended for installations in the U S À la terre et de mise à la terre fils cosses M4 x 0 7 ne sont pas fournis Calibre des fils doit satisfaire des exigences de l installation locale et nationale Disponible dans le commerce des câbles 6 AWG sont recommandé pour les installat...

Page 29: ...by connecting them to one of the attach points Important Grounding wires and grounding lugs M4 x 0 7 are not supplied Wire size should meet local and national installation requirements Commercially available 4 AWG wire is recommended for installations in the U S À la terre et de mise à la terre fils cosses M4 x 0 7 ne sont pas fournis Calibre des fils doit satisfaire des exigences de l installatio...

Page 30: ...3K DC Blue and PWR 2700 DC R Power Supplies Figure 19 PWR 3K DC Blue and PWR 2700 DC R Power Supplies 1 Primary ground 4 2 2 Wire and Lug Preparation Before performing any installation actions ensure power is removed from DC circuits by turning off the power line servicing the circuits Prepare the stranded wiring before you begin a DC power installation 1 Stranded copper wiring is required 26 ...

Page 31: ...Ground lug right angle 8 1 4 Figure 20 Lugs Wiring Terminations Figure 21 Ground Lug Wiring Termination PWR 2700W DC R 1 Insulated wire 3 5 16 2 Ground lug right angle 4 Heat shrink tubing Note You can also use a 45 angled connector instead of the straight connector shown 2 Use agency approved compression pressure lugs for wiring terminations with a single 5 16 mounting hole Two hole lugs should h...

Page 32: ...n for PWR 2700 DC R 4 3 1 Connecting the Power Cable Lug to the Terminal Studs 1 Prepare the stranded wiring see Wire and Lug Preparation 2 Remove the clear plastic cover protecting the terminal studs on the adapter by lifting the small center tab while sliding the cover off the adapter 4 3 2 Connecting the Ground to PWR 2700 DC R Power Supply The primary ground on the system requires a 2 4 AWG 5 ...

Page 33: ...g the Modular Switch 1 Primary ground Figure 23 PWR 2700 DC R Power Supply 1 Prepare the stranded wiring see Section 4 2 2 2 Attach the ground cable to the ground stud 3 Tightening Torque 2 7 N m 24 in lbs 29 ...

Page 34: ...30 ...

Page 35: ...t 2 Active LED 6 Fan module status LED 10 USB ports 3 Power supply status LED 7 Console serial port 11 Clock input port 4 Line card status LED 8 Ethernet management port 12 Release lever Console Serial Port Connect to a PC with RJ 45 to DB 9 serial adapter cable Default switch settings include 9600 baud No flow control 1 stop bit No parity bits 8 data bits Ethernet Management Port Connect to 10 10...

Page 36: ...d SFP SFP and QSFP optic modules in linecard module ports Figure 25 SFP or SFP Ports Connect cables as required to linecard module ports or RJ45 ports Figure 25 SFP or SFP Ports CAUTION Excessive bending can damage interface cables especially optical cables 32 ...

Page 37: ...and Management Cables As the switch boots without a startup config file it displays this message through the console The device is in Zero Touch Provisioning mode and is attempting to download the startup config from a remote system The device will not be fully functional until either a valid startup config is downloaded from a remote system or Zero Touch Provisioning is cancelled To cancel Zero T...

Page 38: ...Save the configuration by typing write memory or copy running config startup config localhost copy running config startup config 11 When the management port IP address is configured use this command to access the switch from a host using the address configured in Step 9 ssh admin 192 0 2 8 Refer to the Arista Networks User Manual for complete switch configuration information 34 ...

Page 39: ... one clock input port Supervisor activity is reported by LEDs in the lower left corner Four LEDs located right of these LEDs report status of other switch components Figure 26 Supervisor Module DCS 7300 D SUP displays the Supervisor Module Figure 26 Supervisor Module DCS 7300 D SUP 1 Status LED 5 Fabric module status LED 9 Ethernet management port 2 Active LED 6 Fan module status LED 10 USB ports ...

Page 40: ... States LED Name LED State Module State Off No modules are present or powered Green All powered modules are operating normally Power Supply Line Card Fabric Module Red At least one module has failed Off Module not inserted Amber At least one fan is missing or has failed Green All modules are operating normally Fan Modules Red There are insufficient functional fans installed in the switch A 2 Line ...

Page 41: ...re 28 Linecard Status LEDs DCS 7300X 32Q LC 1 Status LED 4 QSFP 2 2 10G 40G QSFP Port LEDs 5 QSFP 3 3 QSFP 1 6 QSFP 4 The Line Card Status LED is in the top left corner of the DCS 7300X Line Card Table 11 Line Card Status LED States interprets the states of the Status LED Table 11 Line Card Status LED States LED State Status 37 ...

Page 42: ...Yellow Port is disabled in software A 3 Fan and Fabric Status Indicators Fan and fabric modules are accessed from the rear panel Fabric modules are inserted into the switch and fan modules are inserted into the fabric modules Each switch contains four fabric modules the fan module capacity of fabric modules varies by switch model as displayed in Table 13 Fan Module Capacity Table 13 Fan Module Cap...

Page 43: ...ule is operating normally Red The module has failed A 4 Power Supply Status Indicators Power Supply LEDs are on power supply modules The front panel contains power supply modules for all switches the DCS 7316 rear panel may also contain power supply modules Front Panels front panels and Rear Panels rear panels displays the position of these LEDs on each switch Figure 30 Power Supply display a powe...

Page 44: ...Power Supply Status interprets the states of the Power Supply Status LED Table 15 Power Supply Status AC OK LED Fault LED DC OK LED Status Green Off Green Power Supply module operating normally Green Off Off AC is present Main output is off Off Off Off No AC power to the module Green Amber Blinking Off Module has faulted 40 ...

Page 45: ...cted left displays a 7304 fabric module and a 7304 fan only module that are removed from the switch Fabric and Fan Modules Installed right displays the rear panel of a 7304 switch that contains two fabric modules and two fan only modules Figure 31 Fabric and Fan only Modules Extracted left and Installed right Each module includes lock levers that secure it to the chassis The module and the lock le...

Page 46: ...CS 7308X FM R DCS 7308 S FAN R DCS 7308 S FAN F DCS 7316 Air Inlet DCS 7316 Air Exit DCS 7316X FM F DCS 7316X FM R Not Available Not Available DCS 7324 Air Exit Only DCS 7324 FM F Not Supported DCS 7328 Air Exit Only DCS 7328 FM F Not Supported B 1 Handling Fabric Modules Figure 32 Locking Mechanism DCS 7316 Fabric depicts a DCS 7316 chassis with the inner two fabric modules installed Lock levers ...

Page 47: ...nd replacing a fabric module in a gen3 chassis 7304X3 7308X3 issue a command to offload traffic before removing the module to avoid potential traffic loss This procedure removes a fabric from the switch chassis 1 Release the lock levers from the module frame Fabric Module Removal Initial Position left 2 Extend the lock levers towards the top and bottom of the chassis Fabric Module Removal Initial ...

Page 48: ...uctions describe the method of inserting the fabric module into a chassis 1 Grasping the module by its frame place the module chassis railing that corresponds to the slot where it is to be placed The lock levers should be in the closed position 2 Slide the module into the chassis until it s within three to four inches of being fully inserted Fabric Module right 3 Press the Release Button to releas...

Page 49: ...s are installed Slots 1 and 2 contain fabric modules Slots 3 and 4 contain fan only modules Figure 35 DCS 7304 Fabric and Fan only Module left DCS 7304 Fan only Module right 1 Lock lever release screw 3 Lock lever release screw 2 Fan airflow direction color indicates airflow direction B 2 1 Removing Fan only Modules This procedure describes the proper method for removing fan only modules from the ...

Page 50: ...ere it is to be placed The lock levers should be in the closed position 2 Slide the module into the chassis until it is within three to four inches of being fully inserted 3 Extend the lock levers towards the top and bottom of the chassis 4 Continue inserting the module into the chassis 5 Return the lock levers to the closed position securing the module to the chassis 6 Secure each lock lever hand...

Page 51: ...s Quantity Description One for each AC power supply module supplied with switch Power cables 14 AWG C19 C20 One for each DC power supply module supplied with switch DC Adapter Arista part number CON 00581 part number G10TBL2021100211HR Figure 36 DC Adapter Terminal Block M4 Lug One RJ 45 Patch Panel Cables 2 meters One RJ 45 to DB9 Adapter Cable 2 meters Warning All provided power cables are for u...

Page 52: ...023 025 18 M6 cage nuts Square hole 036 020 051 18 12 24 x 50 screws Threaded hole 106002508 18 M6 x 50 screws Square round and threaded hole 036 701 148 18 10 32 x 50 screws Threaded hole C 4 Two Post Rack Mount Parts Two post rack mount parts for DCS 7304 and DCS 7308 switches are available through your sales representative Two post rack mounts are not supported for DCS 7316 switches Quantity De...

Page 53: ...Parts List 16 DCS 7304 20 DCS 7308 M4x8 panhead Phillips screws Figure 38 Two Post Rack Mount Parts 1 Center mount brackets 7308 only 3 M4x8 panhead Phillip Screws 2 Center mount brackets 7304 only 49 ...

Page 54: ...50 ...

Page 55: ...section displays the front panel of all switches covered by this guide DCS 7304 and DCS 7324 Front Panel fully populated 1 Supervisor modules slots 1 2 2 Linecard modules slots 3 6 3 Power supply modules 4 Earth grounding pads behind covers 51 ...

Page 56: ...DCS 7308 and DCS 7328 Front Panel fully populated 1 Supervisor modules slots 1 2 2 Linecard modules slots 3 10 3 Power supply modules 4 Earth grounding pads behind covers 52 ...

Page 57: ...Front Panels DCS 7316 Front Panel fully populated 1 ESD grounding port 2 Linecard modules slots 3 10 3 Supervisor modules slots 1 2 4 Linecard modules slots 11 18 5 Power supply modules 53 ...

Page 58: ...54 ...

Page 59: ...Appendix E Rear Panels This Rear panel section displays the rear panel of all switches covered by this guide DCS 7304 and DCS 7324 Rear Panel 1 ESD grounding port 2 Fabric modules 3 Fan modules 55 ...

Page 60: ...DCS 7308 and DCS 7328 Rear Panel 1 ESD grounding port 2 Fabric modules 3 Fan modules 56 ...

Page 61: ...Rear Panels DCS 7316 Rear Panel 1 ESD grounding port 2 Fabric modules 3 Fan modules 4 Power Supply Modules 57 ...

Page 62: ...58 ...

Page 63: ...y modular switches covered by this guide DCS 7300X 32Q LC 1 Status LED 2 10G 40G port LEDs DCS 7300X 64S LC 1 Status LED 3 10G 40G Port LEDs 2 10G upper port LEDs 4 10G lower port LEDs DCS 7300X 64T LC 1 Status LED 3 10G 40G Port LEDs 2 10G upper port LEDs 4 10G lower port LEDs 59 ...

Page 64: ...DCS 7320X 32C LC and DCS 7300X3 32C LC 1 Status LED 2 100G port LEDs DCS 7300X3 48YC4 LC 1 Status LED 3 QSFP 100G port LEDs 2 SFP 25G port LEDs 4 SFP 25G port LEDs 60 ...

Page 65: ...endix G Taiwan RoHS Information This section provides Taiwan RoHS information for switches covered by this guide For Taiwan BSMI RoHS Table go to https www arista com assets data pdf AristaBSMIRoHS pdf 61 ...

Page 66: ...62 ...

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