This guide is intended for properly trained service personnel and technicians who need to install the following Arista Networks Data Center Switches:
DCS-7504 / 7504E
DCS-7508 / 7508E
Important! Only qualified personnel should install, service, or replace this equipment.

Son élimination finale de ce produit doit être traitée selon toutes les lois et règlements nationaux.
Receiving and Inspecting the Equipment
Upon receiving the switch, inspect the shipping boxes and record any external damage. Retain packing materials if you suspect that part of the shipment is damaged; the carrier may need to inspect them.
If the boxes were not damaged in transit, unpack them carefully. Ensure that you do not discard any accessories that may be packaged in the same box as the main unit.
Inspect the packing list and confirm that you received all listed items. Compare the packing list with your purchase order. Appendix B provides a list of components included with the switch.
Installation Process
The following tasks are required to install and use the switch:
Step 1 Select and prepare the installation site (Section 2.1).
Step 2 Assemble the installation tools listed in Section 2.2.
Step 3 Attach the mounting brackets and install the switch in an equipment rack (Chapter 3).
Step 4 Connect the switch to the power source and network devices (Chapter 4).
Step 5 Configure the switch (Chapter 5).
Important! Class 1 Laser Product: This product has provisions to install Class 1 laser transceivers that provides 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 insuring 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 have been installed. Do not install laser products whose class rating is greater than 1. Refer to all safety instructions that accompanied the transceiver prior to installation. Only Class 1 laser devices certified for use in the country of installation by the cognizant agency are to be utilized in this product.

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 une classe 1 laser produit 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 60825, 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! Ultimate disposal of this product should be handled in accordance with all national laws and regulations.

Son élimination finale de ce produit doit être traitée selon toutes les lois et règlements nationaux.
Safety Information
Refer to the Arista Networks document Safety Information and Translated Safety Warnings available at:
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.. This is the easiest way to create a new service request.
Include a detailed description of the problem and the output of “show tech-support”.
A support case may be created through the support portal on our website. You may also download the most current software and documentation, as well as view FAQs, Knowledge Base articles, Security Advisories, and Field Notices.
Phone: 866-476-0000 or 408-547-5502.
Important! No user serviceable parts inside. Refer all servicing to qualified service personnel.
Table 1-1 lists the specifications of Arista Data Center switches covered by this guide. Table 1-2 lists power specifications of modular switch components.  
Table 1-1  Modular Switch Specifications
DCS-7508 / DCS-7508E
DCS-7504 / DCS-7504E
11U: 485 mm (19.1inches)
7 U: 312 mm (12.25 inches)
483 mm (19 inches)
483 mm (19 inches)
762 mm (30 inches)
762 mm (30 inches)
136 kg (300 pounds)
95 kg (210 pounds)
Input Power (per circuit)
200/240 VAC, 50 or 60 hz, 20 A
200/240 VAC, 50 or 60 hz, 20 A
Input Power Circuits
2 to 4 circuits
1 to 4 circuits
Ambient Temperature
Storage Temperature
Relative Humidity
to 40° C (32° to 104° F)
-40° to 70° C (-40° to 158° F)
5 to 90%
0 to 3,000 meters (0 to 10,000 feet)
to 40° C (32°to 104° F)
-40° to 70° C (-40° to 158° F)
5 to 90%
0 to 3,000 meters (0 to 10,000 feet)
6600 W maximum
3300 W maximum
Table 1-2  7500 Series Power Specifications
Module Type
Part Number
Power Draw (Typical / Maximum)
Supervisor Modules
180 W / 105 W
Line Card Modules

450 W / 556 W
212 W / 305 W
197 W / 285 W
408 W / 495 W
300 W / 320 W
414 W / 486 W
318 W / 332 W
818 W / 875 W
Fabric Modules
  80 W / 105 W
155 W / 195 W
7500 Series System
DCS-7504 with DCS-7548S-LC
DCS-7508 with DCS-7548S-LC
2124 W / 2778 W
3806 W / 4520 W