Rack Mounting the Router

This section provides instructions on how to mount the router in different ways.

The following topics are covered in this section:

Desktop Mount

This section provides instructions to mount the router on the desktop or any flat surface.

Figure 1. Attaching Rubber Feet

1

Rubber feet
  1. Peel the rubber feet from the master sheet provided in the accessory kit.
  2. Attach the adhesive rubber feet to the four corners at the bottom of the router.
  3. Place the router on the desktop or any flat surface with a connecting power supply.
    The rubber feet prevent the router from sliding from the table surface.

Two-post Rack Mount

This section provides instructions for mounting the router in a two-post rack.

To mount the router onto a two-post rack, assemble the mounting brackets to the chassis, then attach the brackets to the rack posts. Two-post accessory kits include the following two-post mounting parts.

Two Three-hole Mounting Brackets

Each chassis has attachment pins that align with bracket holes. Pin orientation is symmetric and equidistant, supporting bracket placements where the flange is flush with the front panel, flush with the rear panel, or not flush with either panel. Each bracket hole includes a critical opening for placing the bracket flush with the chassis and then locking it into place.

Important: Attachment pins must engage all three upper bracket holes.

Goupilles de fixation doivent être bloquer tous les trois trous de la bride supérieure.

To mount the router in a two-post rack, proceed to the following topics:

Attaching Mounting Brackets to the Chassis

This section describes the steps to attach mounting brackets to the router chassis.

The following figure displays the bracket alignment for mounting the router into a two-post rack.
Figure 2. Bracket Mount Configuration for Two-post Rack Mount (Example)


 

Figure 3. Aligning the Mounting Brackets


1 Bracket clip installation (left side) 2 Front mount
3 Bracket clip installation (left side) 4 Flat head screws

 

  1. Align the mounting brackets with the attachment pins to obtain the desired mounting position.
  2. Place the bracket flush on the chassis with attachment pins protruding through critical openings.
  3. Slide the bracket toward the front flange until the bracket clip locks with an audible click.
    The following figure shows the correct bracket attachment for a front mount.
    Figure 4. Attaching the Mounting Brackets to the Chassis


    1 Align the mounting brackets with the attachment pins to obtain the desired mounting position. 4 Bracket clip (attached)
    2 Place the bracket flush on the chassis with attachment pins protruding through critical openings. 5 Bracket clip (aligned)
    3 Slide the bracket toward the front flange until the bracket clip locks with an audible click.    

     

    To remove the mounting bracket from the chassis, lift the front edge of the mounting bracket clip with a flat-head screwdriver and slide the bracket away from the front flange (opposite from the installation direction).

Inserting the Router into the Two-post Rack

This section describes the steps to insert the router into the rack.
  1. Lift the chassis, with the brackets attached, into the two-post rack.
  2. Position the flanges against the rack posts.
  3. Select mounting screws that fit your equipment rack.
  4. Attach the bracket flanges to the rack posts.
    Figure 5. Inserting the Router into the Rack


    1

    Attaching chassis securely to rack with the screws

    2

    Aligning the bracket with the rack

Four-post Rack Mount (Optional)

This section provides instructions for mounting the router in a four-post rack.

The router is mounted onto a four-post rack by assembling two rails onto the rear posts, sliding the router onto the rails, and securing the router to the front posts.

The installation kit provides the following four-post mounting parts:
  • Two six-hole mounting brackets
  • Two rail rods
  • Two rail slides

Each chassis side has attachment pins that align with bracket holes. Pin orientation is symmetric and equidistant, supporting bracket placements where the flange is flush with the front panel, flush with the rear panel, or not flush with either panel. Each bracket hole includes a critical opening for placing the bracket flush with the chassis and then locking it into place.

 

Important: Attachment pins must engage at least five of the six bracket holes.

Goupilles de fixation doivent être lock au moins cinq des trous du six support.

 

The following figure displays proper bracket mount configuration examples for a four-post mount:

Figure 6. Bracket Mount Configuration for Four-post Rack Mount (Example)


 

To mount the router in a four-post rack, proceed to the following topics:

Attaching Mounting Brackets to the Chassis

This section describes the steps to attach the mounting brackets to the chassis.

The following figure displays the front bracket alignment for mounting the router into a four-post rack.
Figure 7. Attaching the Mounting Brackets to the Router Chassis


1 Mounting bracket (left) 3 Mounting bracket (right)
2 Front mount   Flat head screws

 

Figure 8. Aligning the Rack Plugs to the Bracket Clip


1 Bracket clip before it is locked in the specified place. 2 Bracket clip after it is locked in the specified place.

 

  1. Align the mounting brackets with the attachment pins to obtain the desired mounting position.
  2. Place the bracket flush to the chassis with the attachment pins protruding through the critical openings.
  3. Slide the bracket towards the front flange until the bracket clip locks with an audible click.

    To remove the mounting bracket from the chassis, lift the front edge of the mounting bracket clip with a flat-head screwdriver and slide the bracket away from the front flange (opposite from the installation direction).

Assembling the Rails into the Rack

This section describes the steps to attach the mounting brackets to the chassis.

Rail rods and rail slides assemble into identical rails. Each rail connects a front post to a rear post. When the rails are installed, the router slides through the rails into the rack.

Figure 9. Assembling the Rails


1 Rail slide 3 Rack plugs
2 Rail rod 4 Rail (assembled)

 

  1. Slide a rail rod into a rail slide, and assemble it with the rail clip by an audible click.

    The rail clip prevents the rail from extending beyond the maximum supported distance between the front and rear rack posts.

  2. Attach the rail to the rack post using the screws and rack plugs in the dedicated slots.
    Figure 10. Attaching the Rails to the Four-post Rack


    1 Rack plugs (rear) 3 Rack plugs (front)
    2 Screw (rear) 4 Screw (front)
  3. Adjust the rail slide to the front post by extending the rail past the post and contracting it while guiding the rack plugs into the post.
    Note: Ensure the rails are on the same horizontal level.

Inserting the Router into the Four-post Rack

After the rails are installed, the router slides into the rack. Each bracket includes a thumb screw that attaches the router to the rail.

  1. Lift the router and insert it into the four-post rack by sliding the mounting brackets through the rails.
    Figure 11. Inserting the Router onto the Rails

    1 Rail rod 3 Rail slide
    2 Front mount 4 Rack plug
  2. Slide the router through the rails, towards the rear posts, until the mounting bracket flanges are intact with the rail attached to the rack posts.
  3. Attach the bracket flanges to the rack post using the quick-release thumb screws supplied with the brackets.
    After completing the four-post rack mount, proceed to Cable the Router.

Preparation

This section describes the initial set up and preparation for installing the Arista 7220R Series Enterprise WAN routers.

The following topics are covered in this section:

Site Selection

The following criteria should be considered when selecting a site to install the router:

  • Temperature and Ventilation: For proper ventilation, install the router with ample airflow to the front and back of the router.

    Important: To prevent the device from overheating, do not operate it in an area where the ambient temperature exceeds 104°F (40°C).

    Pour empêcher l’interrupteur de surchauffe, ne pas utiliser il dans une zone où la température ambiante est supérieure à 104°F (40°C).

     

  • Airflow Orientation: The fan vents determine the airflow direction from front to rear of the router.
    Figure 1. Airflow Direction

     

  • Rack Space:Install the router in a rack or cabinet. The router height is 1.74".

    Check for the required rack space before installing the router in a two-post or four-post rack.

    When mounting the router in a partially filled rack, load the rack from bottom to top, with the heaviest equipment at the bottom. Load the router at the bottom if it is the only item in the rack.

     

  • Power Requirements: Power requirements vary for each device. For information regarding your specific device, refer to the Specifications.

    Important: The power supply plug-socket must be always accessible as it provides the primary method of disconnecting power from the system.

    La combinaison de la puissance-prise d’entrée doit être accessible en tout temps; Il fournit le principal moyen de coupure d’alimentation du système.

     

    Important: All power connections must be removed to de-energize the device.

    Toutes les connexions d’alimentation doivent être enlevées pour hors tension l’appareil.

     

    Refer to the Cable the Router section for power cable requirements.

  • Other Requirements: Select a site where liquids or objects cannot fall onto the equipment, and foreign objects are not drawn into the ventilation holes. Verify that the following 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.

    • The power cord can reach from the power outlet to the connector on the rear panel.

Tools and Parts Required for Installation

Each router has an accessory kit containing the parts required to install the router. In addition to the accessory kit, the following tools are required to install the router:

Four-post Rack

  • #1 and #3 Phillips head screwdrivers (this may differ based on supplied accessories)
  • Screws or rack-mounting nuts and bolts

 

Two-post Rack

  • #1 and #3 Phillips head screwdrivers (this may differ based on supplied accessories)
  • Screws or rack-mounting nuts and bolts

Electrostatic Discharge (ESD) Precautions

Observe these guidelines to avoid ESD damage when installing or servicing the router.

Important: DO NOT open the case of the router. There are NO user-serviceable parts inside.

N’ouvrez PAS le boîtier du routeur. Il n’y a AUCUNE pièce réparable par l’utilisateur à l’intérieur.

 

  • Assemble or disassemble the equipment only in a static-free work area.
  • Use a conductive work surface (such as an anti-static mat) to dissipate static charge.
  • Wear a conductive wrist strap to dissipate static charge accumulation.
  • Minimize handling of assemblies and components.
  • Remove all plastic, foam, vinyl, paper, and other static-generating materials from the work area.
  • Use tools that do not create ESD.

Overview

This guide is intended for network professionals who need to install the Arista 7220R Series Enterprise WAN Router.

The following topics are covered in this section:

Scope

This section lists the routers that are described in this guide:

  • AWE-7220RP-5TH-2S-F
CAUTION: Only technically qualified or trained personnel should install, service, or replace this equipment.

Seul le personnel techniquement qualifié doit installer, service, ou remplacer cet équipement.

Receiving and Inspecting the Equipment

 

Upon receiving the router, inspect the packaging and record if there is any external damage. Retain the packing material if you suspect any part of the shipment is damaged; the carrier might need the packing material to inspect. Unpack the kit carefully. Do not discard any accessories that may have been packed in the same box as the router.

Inspect the packing list and confirm that you received all the items listed. Refer to the Parts List to verify that all components are included in the kit.

Safety Information

Refer to the Arista Networks document, Safety Information and Translated Safety Warnings available at https://www.arista.com/en/support/product-documentation.

Important: Class 1 laser product: This product has provisions to install Class 1 laser transceivers which provide optical coupling to the communication network. Once a Class 1 laser product is installed, the equipment is a Class 1 laser product (Appareil à Laser de Classe 1). The customer is responsible for selecting and installing the Class 1 laser transceiver and for ensuring that the Class 1 AEL (allowable emission limit) per EN/IEC 60825, CSA E60825-1, and Code of Federal Regulations 21 CFR 1040 is not exceeded after the laser transceiver has been installed. Do not install laser products whose class rating is greater than 1. Refer to all safety instructions that accompany the transceiver prior to installation. Only Class 1 laser devices certified for use in the country of installation by the cognizant agencies are to be utilized in this product. The ultimate disposal of this product should be in accordance with all applicable laws and regulations.

Produit laser de classe 1: Ce produit a des dispositions pour installer des émetteurs-récepteurs de laser de classe 1 qui offre de couplage au réseau de communication optique. Une fois un produit laser de classe 1 est installé, l'équipement est un produit laser de classe 1 (Appareil à laser de Classe 1). Le client est responsable pour sélectionner et installer l'émetteur/récepteur de laser de classe 1 et pour assurer que la classe 1 AEL (limite d'émission admissible) par EN/IEC 6-825, CSA E60825-1, et Code des règlements fédéraux 21 CFR 1040 ne soit pas dépassée après avoir installé l'émetteur/récepteur de laser. Ne pas installer des appareils à laser dont la cote de classe est supérieure à 1.Voir toutes les consignes de sécurité qui ont accompagné l'émetteur-récepteur avant l'installation. Seuls appareils laser de classe 1 certifiés pour une utilisation dans le pays d’installation par l’organisme compétent doivent être utilisées dans ce produit.

 

Important: DO NOT open the router case. There are NO user-serviceable parts inside.

N’ouvrez PAS le boîtier du routeur. Il n’y a AUCUNE pièce réparable par l’utilisateur à l’intérieur.

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: This email address is being protected from spambots. You need JavaScript enabled to view it.

    Include a detailed description of the problem with the "show tech-support" output.

     

     

  • Web: https://www.arista.com/en/support

    A support case may be created through the support portal on our website. You may also download the most current software and documentation, and view FAQs, Knowledge Base articles, Security Advisories, and Field Notices.

     

     

  • Phone: +1 866-476-0000 or +1 408-547-5502

Specifications

This section lists the specifications of the Arista 7220R Series Enterprise WAN Routers.

Table 1. Dimensions and Weights
Router Size (W x H x D) Weight
AWE-7220RP-5TH-2S-F 17.3 x 1.7 x 11 inches

(440 x 43.18 x 279.4 mm)

 8.82 lbs

(4.0 kg)

 

 

Table 2. Operating and Storage Temperature
Router Operating Temperature Storage Temperature Operating Altitude Relative Humidity
AWE-7220RP-5TH-2S-F 32° to 104°F

(0° to 40°C)

 -4° to 158°F

(-20° to 70°C)

 0 to 10,000 feet

(0 to 3048 meters)

 5 to 95%

(non-condensing)

 

 

Table 3. Power Input
Router Power Source Input Power Rating
AWE-7220RP-5TH-2S-F AC Power 100-240V, 6A Max, 50/60 Hz

 

 

Table 4. Power Draw
Router Power Draw (Typical/Maximum) Supported Power Supply
AWE-7220RP-5TH-2S-F 200W/360W Internal open frame PSU

 

 

Table 5. System Configurations
Router Airflow Power Supply Fan Fan Type
AWE-7220RP-5TH-2S-F Front to rear 1 2 Fixed/built-in

Quick Start Guide
7220R Series
Enterprise WAN Router
Arista Networks

www.arista.com

DOC-07121-02

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