Arista 750 Series, Быстрый старт

Страница: 59 / 68

Quick Start Guide: 750 Series Modular Switches 53
Appendix F
Maintenance and Field Replacement
This appendix describes the process for replacing switch components. 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 Power supplies which must be ordered separately. The following steps are
required for ESD protection when adding or replacing power supplies.
Note For the exact locations of power supplies and grounding for your device, refer to Appendix C and
Appendix D .
Step 1 Ensure that the switch is grounded.
a. Connect at least one of the chassis grounding pads located on the front and rear panels
of the chassis to the data center ground as needed.
Step 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.
Step 3 Remove the power supply to be replaced ( Removing AC Power Supply ) or use an empty slot.
Note For the power supplies supported by your device, refer to Table 1-2 . If the PSU has a cable release
latch, use it for securing and removing the power cord as needed.