Appendix E: Maintenance And Field Replacement; Considerations; Power Supplies; Removing A Power Supply - Arista 7050 Series Quick Start Manual

Maintenance and Field Replacement
This section discusses the maintenance and replacement procedures for selected devices.
E.1

Considerations

Tips and requirements for maintenance issues.
• All fans and power supplies are hot swappable.
• The switch can be running while a power supply is being installed or removed, but the power supply
being replaced must not be connected to a power source.
• All slots must be filled or covered with a blank for operation (even though power supply or fans may
not be functional).
• Before you begin, refer to the Arista Networks document Safety Information and Translated
Safety Warnings available at: https://www.arista.com/en/support/product-documentation.
Note: Descriptions for the removal and replacement of power supplies and fans are for a
representative power supply or fan. Locations of status indicator LEDs may differ. Refer to
the front and rear panel illustrations of your device to locate the appropriate LED.
E.2

Power Supplies

The following steps are required when removing and replacing power supplies from a switch.
Note: Only a representative power supply module is shown in
Installing Power
Panel.
E.2.1

Removing a Power Supply

1. Ground yourself with an ESD wrist strap.
2. Power down the power supply to be removed by disconnecting the AC power cable.
3. Push the power supply release lever and remove the power supply.
1 Release lever
2 Remove PSU
Supply. For the location of the power supply on your switch, refer to
Figure 53: Removing and Installing Power Supply
Appendix E
Figure 53: Removing and
Rear
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