This guide is intended for properly trained service personnel and technicians who need to install the following Arista Networks Data Center Switches:
Important! Only qualified personnel should install, service, or replace this equipment.
Receiving and Inspecting the Equipment
Upon receiving the switch, inspect the shipping boxes and record any external damage. Retain the 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 C
provides a list of components included with the switch.
The following tasks are required to install and use the switch:
Select and prepare the installation site as described in Section 2.1
Assemble the installation tools listed in Section 2.2
Attach the mounting brackets and install the switch in an equipment rack as described in Chapter 3
Connect the switch to the power source and network devices as described in Chapter 4
Configure the switch as described in Chapter 5
lists the specifications of Arista Data Center switches covered by this guide.
Table 1-1 Switch Specifications
44 mm (1.75 inches) – 1 RU
445 mm (19 inches)
432 mm (17 inches)
7.71 kg (17 pounds)
100-240 VAC, 4-8 A, 50-60 Hz
0° – 40° C (32° – 104° F)
0 – 3000 meters (0 – 10,000 feet)
Output Power (Maximum)
Power Draw: DCS-7048T-A (Typical / Maximum)
280 W / 390 W
Power Draw: DCS-7050S-64 (Typical / Maximum)
125 W / 210 W
Power Draw: DCS-7124SX (Typical / Maximum)
120 W / 210 W
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 insuring that the Class 1 AEL (Allowable Emission Limit) per EN/IEC 6-825, 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.
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: email@example.com. 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.
Important! Ultimate disposal of this product should be handled in accordance with all applicable laws and regulations.