Arista 7800 Series Quick Start Manual

Modular data center switches
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QUICK START GUIDE
7800 Series
Modular Data Center Switches
DCS-7804
DCS-7816
Arista.com
DCS-7808
DCS-7812
DCS-7816L
Arista Networks
DOC-04133-05

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Summary of Contents for Arista 7800 Series

  • Page 1 QUICK START GUIDE 7800 Series Modular Data Center Switches DCS-7804 DCS-7808 DCS-7812 DCS-7816 DCS-7816L Arista Networks DOC-04133-05 Arista.com...
  • Page 2 The trademarks, logos, and service marks ("Marks") displayed in this documentation are the property of Arista Networks in the United States and other countries. Use of the Marks is subject to the Arista Networks Terms of Use Policy, available at www.arista.com/en/terms-of-use. Use of marks belonging to other parties is for...
  • Page 3: Table Of Contents

    Contents Contents Chapter 1: Overview..................1 1.1 Scope..............................1 1.2 Receiving and Inspecting the Equipment..................1 1.3 Installation Process..........................1 1.4 Safety Information..........................2 1.5 Obtaining Technical Assistance......................2 1.6 Specifications............................. 3 Chapter 2: Preparation..................7 2.1 Site Selection.............................7 2.2 Tools and Parts Required for Installation..................9 2.3 Unpacking and Moving the Switch....................9 2.3.1 Unpacking and Moving the Switch (Example)..............10 2.4 Electrostatic Discharge (ESD) Precautions..................13...
  • Page 4 A.4.2 PWR-D2-3041-DC-BLUE....................42 Appendix B: Parts List................. 44 B.1 Parts Used in All Rack Mount Configurations................44 B.1.1 Cables..........................44 B.1.2 Getting-Started Booklet..................... 45 B.2 Four-Post Rack Mount Parts......................45 Appendix C: Front Panel................47 Appendix D: Rear Panel................52 Appendix E: Linecards................. 57 Appendix F: Maintenance and Field Replacement........
  • Page 5: Chapter 1: Overview

    Installation Process • Safety Information • Obtaining Technical Assistance • Specifications Scope This guide is for properly trained service personnel and technicians who need to install the following Arista Networks Data Center Switches: • DCS-7804 • DCS-7808 • DCS-7812 •...
  • Page 6: Safety Information

    Refer to the Arista Networks document Safety Information and Translated Safety Warnings at https:// www.arista.com/en/support/product-documentation. Obtaining Technical Assistance Any customer, partner, reseller, or distributor holding a valid Arista Service Contract can obtain technical support in any of the following ways: • Email: http://support@arista.com. Send an email to create a new service request.
  • Page 7: Specifications

    There are no user-serviceable parts inside. Refer all servicing to qualified service personnel. Aucune pièce réparable par l'utilisateur à l'intérieur. Confiez toute réparation à un technicien qualifié. Specifications The following table lists the specifications of Arista Data Center modular switches covered by this guide.
  • Page 8 Table 1: Modular Switch Specifications DCS-7804 DCS-7808 DCS-7812 DCS-7816 DCS-7816L Height 10 RU: 439 mm 16 RU: 702 mm 23 RU: 1012 mm 32 RU: 1422 mm 32 RU: 1422 mm (17.28 inches) (27.64 inches) (39.84 inches) (55.98 inches) (55.98 inches) Width 441 mm 441 mm...
  • Page 9 Overview Table 2: 7800 Series Power Specifications Module Type Part Number Power Draw (Typical / Maximum) Supervisor Modules DCS-7800-SUP 61 W / 72 W DCS-7800-SUP1A 61 W / 72 W DCS-7800-SUP1S 61 W / 72 W DCS-7816-SUP1A 71 W / 78 W...
  • Page 10 Module Type Part Number Power Draw (Typical / Maximum) 7812 Series System Full chassis loaded with: 12490 W / 14788 W 2 - DCS-7816-SUP1A 6 - DCS-7812R3-FM 12 - DCS-7800R3-48CQ2 10 PWR-D1-3041-AC-BLUE 7816 Series System Full chassis loaded with: 12881 W / 17150 W 2 - DCS-7816-SUP1A 12 - DCS-7816R3-FM 16 - DCS-7800R3-48CQ...
  • Page 11: Chapter 2: Preparation

    Chapter 2 Preparation This section discusses the following topics: • Site Selection • Tools and Parts Required for Installation • Unpacking and Moving the Switch • Electrostatic Discharge (ESD) Precautions Site Selection When selecting a site to install the switch, consider the following criteria: •...
  • Page 12 Note: The accessory kit provides the required mounting hardware for each switch. • Power Requirements: Arista switches require a minimum number of operating AC or DC power supplies in all chassis and for each power domain of switches with multiple power domains. Refer to...
  • Page 13: Tools And Parts Required For Installation

    Preparation DC cables should be protected with circuit over-current protection devices and circuit disconnect means. To turn off a unit, power must be disconnected from ALL power cables. DC câbles doivent être protégés avec dispositifs de protection de surintensité circuit et moyens de déconnexion du circuit.
  • Page 14: Unpacking And Moving The Switch

    Unpacking and Moving the Switch The DCS-7816 accessory kit includes bolts and lifting brackets (Figure 2-2: Lifting Brackets) that must be attached to the top of the chassis with the bolts supplied for lifting the chassis from the pallet onto the transport lift.
  • Page 15 Preparation 1. Cut away the straps and remove the cardboard to expose the chassis with the rack kit basket attached and nested on top of the chassis. 2. From the accessory kit shipped with the chassis, remove and attach the lifting brackets to the top of the chassis.
  • Page 16 ® 4. Place the chassis on the transport lift (Server Lift SL-1000X Super-Duty Lift) with the lift platen in the neutral position and the chassis aligned for moving into the rack. Note: Populate the chassis with linecards and fabric modules only after insertion into the rack. 5.
  • Page 17: Electrostatic Discharge (Esd) Precautions

    Preparation Electrostatic Discharge (ESD) Precautions Observe these guidelines to avoid ESD damage when installing or servicing the switch. • Assemble or disassemble equipment only in a static-free work area. • Select a conductive work surface (such as an anti-static mat) to dissipate static charge. •...
  • Page 18: Chapter 3: Rack Mounting The Switch

    Chapter 3 Rack Mounting the Switch This section discusses the following topics: • DCS-7804, DCS-7808, DCS-7812, DCS-7816, and DCS-7816L Rack Mounting • Inserting Rack Nuts Using the Template • Inserting and Securing the Cradle Assembly • Inserting the Switch into the Rack DCS-7804, DCS-7808, DCS-7812, DCS-7816, and DCS-7816L Rack Mounting The accessory kit provides components for installing the switch in four-post racks.
  • Page 19: Inserting And Securing The Cradle Assembly

    Rack Mounting the Switch Note: The number of rack nuts required for the front left and front right rack posts is different. The rear posts require the same number (4 each). Figure 3-1: Rack Nut Locations 1 Mounting location A Front (Left and Right) 4 Mounting location D Front (Left and Right) 2 Mounting location B Front (Left and Right) 5 Mounting location Rear (Left and Right)
  • Page 20 1. Insert two screws loosely in the two front rack posts at the same level and two in the back two rack posts 3 RU above the front screws (Figure 3-2: Attaching Mounting Screws to the Rack Posts). Use the template for racks requiring rack nuts (Figure 3-3: Mounting (Starting Screws) Locations for Cradle (Front and Rear)).
  • Page 21 Rack Mounting the Switch 2. Prior to installation, buckle the straps on the cradle together so the left and right sides are angled slightly inwards. Figure 3-4: Buckling the Straps 3. Pull out the rear sliding rails slightly beyond the back rack posts. 4.
  • Page 22: Inserting The Switch Into The Rack

    Figure 3-6: Aligning the Cradle in the Rack 7. Secure the cradle to the rack posts using the eight remaining screws, two more in the front and six more in the back, for a total of twelve screws. Figure 3-7: Securing the Cradle in the Rack 3.1.3 Inserting the Switch into the Rack Mount the switch onto a four-post rack by assembling a rack-mount cradle into the rack.
  • Page 23 Rack Mounting the Switch Note: If modules are inserted in the chassis, use the lift carefully to avoid damaging any components. 2. Lift the chassis and insert it into the rack. For the DCS-7816 chassis, remove the lifting brackets from the top of the chassis, which are required to lift the chassis from the pallet onto a transport lift before insertion.
  • Page 24 Figure 3-9: Secure the Switch to the Rack Shelf 4. After completing the Four-Post Installation, proceed to Cabling the Power Supplies.
  • Page 25: Chapter 4: Cabling The Modular Switch

    • Connecting Linecard Modules and Cables Cabling the Power Supplies Before you begin, refer to the Arista Networks document Compliance and Safety Guide, available at https:// www.arista.com/en/support/product-documentation. Note: Power supplies may be loaded in the PSU bays in any order. The following order is recommended for each switch covered by this guide.
  • Page 26 Note: '*' designates the recommended starting bay. Important: Power down the switch. Remove all power cords from the power inlets. Mettez le commutateur: Retirez tous les cordons d'alimentation des prises d'alimentation. Important: The installation of this equipment must comply with local and national electrical codes. Consult with the appropriate regulatory agencies and inspection authorities to ensure compliance if necessary.
  • Page 27: Cabling Chassis Ground

    Cabling the Modular Switch Important: Read all installation instructions before connecting the system to the power source. Lire toutes les instructions d'installation avant de brancher le système à la source d'alimentation. Power Supply Configurations show each switch's minimum number of operating power supplies connected to active circuits.
  • Page 28 Figure 4-1: Front Panel (DCS-7804) 1 Power supplies 4 Linecards 7 Supervisor lock 2 Linecard and Supervisor extraction 5 Linecard lock 8 Grounding locations tool tether 3 Extraction tool 6 Supervisor modules 9 ESD attach point Figure 4-2: Front Panel (DCS-7808) 1 Power supplies 4 Linecards 7 Supervisor lock...
  • Page 29 Cabling the Modular Switch Figure 4-3: Front Panel (DCS-7812) 1 Power supplies 4 Linecards 7 Supervisor lock 2 Linecard and Supervisor extraction 5 Linecard lock 8 Grounding locations tool tether 3 Extraction tool 6 Supervisor modules 9 ESD attach point...
  • Page 30 Figure 4-4: Front Panel (DCS-7816) 1 Power supplies 6 Supervisor modules 11 Extraction tool 2 Linecard and Supervisor extraction 7 Supervisor lock 12 Grounding locations tool tether 3 Extraction tool 8 Linecards 13 ESD attach point 4 Linecards 9 Linecard lock 5 Linecard lock 10 Linecard and Supervisor extraction tool tether...
  • Page 31 Cabling the Modular Switch Figure 4-5: Front Panel (DCS- 7816L) 1 Power supplies 6 Linecard 11 Supervisor lock 2 Linecard and Supervisor extraction 7 Linecard lock 12 Grounding locations tool tether 3 Extraction tool 8 Supervisor module 13 ESD attach point 4 Linecard 9 Supervisor lock 5 Linecard lock...
  • Page 32: Cabling The Ac Power Supplies

    Cabling the AC Power Supplies The switches use PWR-D1-3041-AC-BLUE (Figure 4-6: AC Power Supply) power supplies with SAF-D- GRID connectors on the PSU inputs. Power cables are included with the accessory kit (Table 16: Accessory Kits for the Modular Switches). To power the switch, insert the other side of the cable into the main power- providing circuit.
  • Page 33: Wire And Lug Preparation

    Cabling the Modular Switch Figure 4-7: PWR-D2-3041-DC-BLUE Power Supplies Note: Release lever color indicates airflow direction. 4.4.2 Wire and Lug Preparation Remove power from DC circuits by turning off the power line servicing the circuits before installing. Prepare the stranded wiring before you begin a DC power installation. 1.
  • Page 34: Power Supply Specifications

    1 Insulated wire 3 Lug 5 Half-inch width 2 Heat-shrink tubing 4 Quarter-inch diameter hole 6 Five-eighth-inch apart centers Power Supply Specifications Table 8: Power Supply Specifications (each PSU) shows the power supply specifications for each of the PSUs supported. Table 8: Power Supply Specifications (each PSU) Power Supply Maximum Output...
  • Page 35: Power Supply Redundancy

    Cabling the Modular Switch • To minimize distribution power loss, use an equal number of supplies in each row (e.g., 4 PSUs in slots 1-4 and 4 PSUs in slots 7-10 for a configuration with 8 PSUs for the DCS-7808 switch). Cabling the Power Supplies provides more details.
  • Page 36: Connecting Supervisor Cables

    Important: Unused slots must be occupied or covered with a blank to ensure proper airflow through the chassis. Les emplacements inutilisés doivent être occupés ou recouvert d'un blanc pour assurer la bonne circulation d'air dans le châssis. Connecting Supervisor Cables Supervisor modules contain console, management, and USB ports.
  • Page 37: Connecting Linecard Modules And Cables

    Cabling the Modular Switch Figure 4-10: DCS-7808 Supervisor Slots 1 Power supplies 4 Linecards 7 Supervisor lock 2 Linecard and Supervisor extraction 5 Linecard lock 8 Grounding locations tool tether 3 Extraction tool 6 Supervisor modules 9 ESD attach point RJ-45 to DB-9 Connections RJ-45 DB-9...
  • Page 38 Flexion excessive peut endommager les câbles d'interface, en particulier les câbles optiques. Note: You must ensure that the appropriate “blank” plates cover any open slots for modules, power supplies, etc. Check with your local Arista Networks representative if you have questions.
  • Page 39: Chapter 5: Configuring The Modular Switch

    Chapter 5 Configuring the Modular Switch Arista switches ship from the factory in Zero Touch Provisioning (ZTP) mode. ZTP configures the switch without user intervention by downloading a startup configuration file or a boot script from a location specified by a DHCP server. To manually configure a switch, ZTP is bypassed. The initial configuration provides one username (admin) that is accessible only through the console port because it has no password.
  • Page 40 11. When the management port IP address is configured, select 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 the complete switch configuration information.
  • Page 41: Appendix A: Status Indicators

    Appendix A Status Indicators This section discusses the following topics: • Supervisor Module • Linecard Module Indicators • Fabric Module Status Indicators • Power Supply Status Indicators Supervisor Module While the front panel of each switch can house two supervisors, switch operations require only one. Supervisors display switch status and contain Ethernet management and console ports.
  • Page 42 1 Locking mechanism 5 Linecard status LED 9 RJ-45 Serial management port 2 Supervisor status LED 6 Fabric Module status LED 10 USB Ports 3 Supervisor active status LED 7 Fan status LED 11 RJ-45 Ethernet management port 4 PSU status LED 8 Clock In 12 SFP Ethernet management port Supervisor Status LEDs...
  • Page 43: Linecard Module Indicators

    Depends on port operation. Green for normal operation, red if no corresponding component is powered or present. Note: Arista modular switches take 15 to 30 minutes to boot completely. Linecard Module Indicators Each linecard module provides one status LED plus LEDs for each port on the card.
  • Page 44: Fabric Module Status Indicators

    Table 12: Linecard Port LED States LED State Status Port link is down for all enabled interfaces. Green Port link is up for any enabled interface. Yellow (amber/orange) Port is disabled in the software. Flashing yellow (amber/orange) Locator function is enabled on an interface. Fabric Module Status Indicators Fabric Status LEDs are on fan-fabric modules.
  • Page 45: Power Supply Status Indicators

    Status Indicators 1 Fabric module top 6 Fan module 4 status LED 11 Fan module 8 status LED 2 Fabric module status LED 7 Fan module 5 status LED 12 Fan module 9 status LED 3 Fan module 1 status LED 8 Fan module 6 status LED 13 Fan module 10 status LED 4 Fan module 2 status LED...
  • Page 46: Pwr-D1-3041-Ac-Blue

    A.4.1 PWR-D1-3041-AC-BLUE The power supply status LEDs are on the power supply modules. Figure A-6: PWR-D1-3041-AC-BLUE Power Supplies displays all the LEDs on the PWR-D1-3041-AC-BLUE AC power supply. Figure A-6: PWR-D1-3041-AC-BLUE Power Supplies 1 Handle 4 AC_A LED 2 Output 5 Release 3 AC_B LED Note: Handle color indicates airflow direction.
  • Page 47 Status Indicators Figure A-7: PWR-D2-3041-DC-BLUE Power Supplies 1 Status LED (Output) 4 Input_A LED 7 Battery return terminal 2 Release 5 Protective earth terminal 8 -48V terminal 3 GND terminal 6 Input_B LED Note: Release lever color indicates airflow direction. DC Power Supply Status LED States interprets the DC power supply setup for LED status indicators.
  • Page 48: Appendix B: Parts List

    16x bolts Warning: All provided power cables are for use only with Arista products. Câbles d’alimentation doivent être utilisés uniquement avec des produits de Arista The following sections in the chapter list the installation parts provided by the accessory kit in more detail: •...
  • Page 49: Getting-Started Booklet

    Parts List B.1.1 Cables Table 17: Cables Provided in Accessory Kit Quantity Description RJ-45 Patch Panel Cables, 2 meters. RJ-45 to DB9 Adapter Cable, 2 meters. B.1.2 Getting-Started Booklet One 2-page document. Four-Post Rack Mount Parts The following sections list the parts provided in the accessory kit for four-post rack mount installations. Table 18: Four-Post Rack Mount Parts Quantity Description...
  • Page 50 Figure B-2: Lifting Bracket and Bolts (DCS-7812 and DCS-7816 only) 1 Lifting bracket 2 Bolts...
  • Page 51: Appendix C: Front Panel

    Appendix C Front Panel This section displays the front panel of all switches this guide covers. Note: Depending on the components used to populate the chassis, the appearance of a specific switch may differ. Note: All switches are designed to fit in 19-inch racks. Figure C-1: DCS-7804 Front Panel (Fully Populated) 1 Power supplies 4 Linecard...
  • Page 52 Figure C-2: DCS-7808 Front Panel (Fully Populated) 1 Power supplies 4 Linecards 7 Supervisor lock 2 Linecard and Supervisor extraction 5 Linecard lock 8 Grounding locations tool tether 3 Extraction tool 6 Supervisor modules 9 ESD attach point...
  • Page 53 Front Panel Figure C-3: DCS-7812 Front Panel (Fully Populated) 1 Power supplies 4 Linecard 7 Supervisor lock 2 Linecard and Supervisor extraction 5 Linecard lock 8 Grounding locations tool tether 3 Extraction tool 6 Supervisor modules 9 ESD attach point...
  • Page 54 Figure C-4: DCS-7816 Front Panel (Fully Populated) 1 Power supplies 6 Supervisor modules 11 Extraction tool 2 Linecard and Supervisor extraction 7 Supervisor lock 12 Grounding locations tool tether 3 Extraction tool 8 Linecard 13 ESD attach point 4 Linecard 9 Linecard lock 5 Linecard lock 10 Linecard and Supervisor extraction...
  • Page 55 Front Panel Figure C-5: DCS-7816L Front Panel (Fully Populated) 1 Power supplies 6 Linecard 11 Supervisor lock 2 Linecard and Supervisor extraction 7 Linecard lock 12 Grounding locations tool tether 3 Extraction tool 8 Supervisor module 13 ESD attach point 4 Linecard 9 Supervisor lock 5 Linecard lock...
  • Page 56: Appendix D: Rear Panel

    Appendix D Rear Panel This section displays the rear panel of all switches this guide covers. Note: Depending on the components used to populate the chassis, the appearance of a specific switch could be different. Figure D-1: DCS-7804 Rear Panel (Fully Populated) 1 ESD attachment point 3 Fabric modules 5 Fabric module ejector lever...
  • Page 57 Rear Panel Figure D-2: DCS-7808 Rear Panel (Fully Populated) 1 Fabric module screw 3 Chassis ground 2 Fabric module ejector lever 4 ESD attachment point...
  • Page 58 Figure D-3: DCS-7812 Rear Panel (Fully Populated) 1 ESD attachment point 3 Fabric module ejector lever 5 Fabric module release button 2 Fabric module release button 4 Fabric module ejector lever...
  • Page 59 Rear Panel Figure D-4: DCS-7816 Rear Panel (Fully Populated) 1 Fabric module screw 4 Fabric module 7 Fabric module ejector lever 2 Fabric module ejector lever 5 ESD attachment point 8 Fabric module screw 3 Fabric module screw 6 Fabric module screw 9 Fabric module...
  • Page 60 Figure D-5: DCS-7816L Rear Panel (Fully Populated) 1 Cover release 4 Fabric module ejector lever 7 Fabric module release button 2 ESD attachment point 5 Fabric module 3 Fabric module release button 6 Fabric module ejector lever...
  • Page 61: Appendix E: Linecards

    Appendix E Linecards This section displays the linecards supported by modular switches this guide covers. Figure E-1: DCS-7800R3-48CQ, DCS-7800R3K-48CQ, DCS-7800R3-48CQM, DCS-7800R3-48CQ2, DCS-7800R3-48CQMS, and DCS-7800R3-48CQM2 1 Linecard status LED 2 Port numbers 3 Port status LEDs Figure E-2: DCS-7800R3-36P 1 Linecard status LED 2 Port numbers 3 Port status LEDs...
  • Page 62 Figure E-3: DCS-7800R3-36D and DCS-7800R3K-36DM 1 Linecard status LED 2 Port numbers 3 Port status LEDs Figure E-4: DCS-7800R3K-72Y-LC 1 Linecard status LED 2 Port numbers 3 Port status LEDs...
  • Page 63: Appendix F: Maintenance And Field Replacement

    Appendix F Maintenance and Field Replacement This section discusses the process for replacing switch components. • Linecard and Supervisor Extraction Tools • Power Supplies • Fabric and Fan Module (Fabric Module) • Fan Module (within Fabric Module) • Supervisor Module •...
  • Page 64: Power Supplies

    Figure F-1: Linecard and Supervisor Module Extraction Tool and Tether Assembly Use the following steps to attach the tethering mechanism to the extraction tool. 1. Extend and slip the lanyard thread through the slot in the plastic tether. 2. Attach the ring to the extraction tool. 3.
  • Page 65: Removing Dc Power Supply

    Maintenance and Field Replacement F.2.2 Installing AC Power Supply You must make space for installing the power supply by removing an existing one (Removing AC Power Supply, Removing DC Power Supply) or removing a blank (Removing Power Supply Blank) from a power supply slot available on the switch.
  • Page 66: Fabric And Fan Module (Fabric Module)

    1. Put on a grounded, anti-static ESD strap. 2. Remove the blank from the power supply slot you are going to populate. Note: You can save the blank for future use as needed. A blank is needed for the switch to operate normally in an unpopulated power supply slot.
  • Page 67: Installing Fabric Module

    Maintenance and Field Replacement 1 Fabric module ejector levers 3 Fabric module ejector claws 5 Fabric module ejector claw 2 Claw position on chassis 4 Claw position on chassis 6 Claw position on chassis 4. Pull the ejector handles outwards by 90 degrees to disengage the fabric module. 5.
  • Page 68 1 Fabric module ejector levers 3 Fabric module seating claws 5 Fabric module seating claw 2 Claw position on chassis 4 Claw position on chassis 6 Claw position on chassis 5. Close the ejector levers in unison. 1 Fabric module ejector levers 4 Claw position on chassis 7 Screw 2 Claw position on chassis...
  • Page 69: Fan Module (Within Fabric Module)

    Maintenance and Field Replacement 6. Screw in the two Phillips screws using a PH3 driver on a battery-operated screwdriver with torque set between 16 and 18 in-lbs. Note: The DCS-7812 does not require screws. The green latch release buttons will pop out when the fabric module is seated.
  • Page 70: Supervisor Module

    6. Rotate the fan lever to the closed position. 7. Ensure that the green latch has securely slid into the latched and locked position. 8. Reinstall the fabric module into the chassis (Installing Fabric Module). Note: The DCS-7816 switch has twelve fabric modules, each half-height, and currently does not have a label depicting fan removal.
  • Page 71: Linecards

    Maintenance and Field Replacement Linecards The linecards are hot-swappable and accessible from the front of the switch. You must consider that the linecard you are inserting is compatible with the switch and the linecard you are replacing. Use the following procedure to remove and replace a linecard.
  • Page 72: Appendix G: Regulatory Model Numbers

    Appendix G Regulatory Model Numbers This section lists the Regulatory Model Numbers (RMNs), where applicable, for the product models for the switches described in this document. Table 19: Regulatory Model Numbers and Product Numbers Regulatory Model Number (RMN) Product Number(s) 7804 7804 7808...
  • Page 73: Appendix H: Taiwan Rohs Information

    Appendix H Taiwan RoHS Information This section provides the Taiwan RoHS information for switches covered by this guide. : https://www.arista.com/assets/data/pdf/AristaBSMIRoHS.pdf.

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