PWR-2700-DC-R datasheet(73/80 Pages) ARISTA

73 / 80 page

Appendix

Maintenance and Field Replacement

This appendix describes the process for replacing switch components.

The following topics are covered in this section:

•

Power Supplies

•

Fabric and Fan Module (Fabric Module)

•

Touch Point Shield (Optional)

•

Supervisor Module

•

Linecards

You must ensure that at least one of the secondary grounding pads located on the front panel of

the chassis is connected to the data center ground. While working on the switches, use grounded,

anti-static wrist straps connected to one of the attach points on the switch for grounding yourself and

preventing ESD damage to the switch.

Note: Illustrations in this appendix are examples for a representative switch and component(s).

Procedures must be applied to component(s) supported by the specific device. You must use

component(s) and the appropriate slots for those component(s) when replacing or adding them.

F.1

Power Supplies

The switches support AC or DC Power supplies. The switches ship with a number of populated slots

depending on the switch model. Empty slots are covered with a blank. For adding a new power

supply in one of the available slots, remove the blank covering the slot before inserting a new power

supply.The following steps are required for ESD protection when adding or replacing power supplies.

Note: For the exact locations of power supplies for your device, refer to Rear Panel.

1. Ensure that the switch is grounded.

a. Connect at least one of the secondary grounding pads located on the front panel of the chassis

to the data center ground as needed.

2. Ground yourself using a connected, anti-static wrist strap.

a. The anti-static ESD wrist strap must be connected to one of the attach points on the switch.

3. Remove the power supply to be replaced (Removing AC Power Supply, Removing DC Power

Supply) or the blank for the slot (Removing Fabric Module Blank) in which the new power supply is

to be added.

F.1.1

Removing Power Supply Blank

The power supply blank is screwed on. Use the appropriate screwdriver for your switch.

1. Put on a grounded, anti-static ESD strap.

2. Unscrew the blank from the power supply slot you are going to populate.

You may want to save the blank for future use as needed. The blank is needed for the switch to

operate normally if a power supply slot is not populated.

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