![Arista 7500N Series Quick Start Manual Download Page 80](http://html.mh-extra.com/html/arista/7500n-series/7500n-series_quick-start-manual_2970772080.webp)
74
Quick Start Guide: 7500N Series Modular Switches
Power Supplies
Appendix F: Maintenance and Field Replacement
Figure F-1: Unseat power supply
Step 3
Pull the ejectors forward until the power supply disconnects.
Step 4
Remove the power supply from the Switch using the power supply lever and handle.
F.1.2
Removing DC Power Supply
Before performing any of the steps, ensure power is removed from DC circuits by turning off the power
line servicing the circuits.
Make sure to remove the ground connection
last
when removing power.
Step 1
Put on a grounded, anti-static ESD strap.
Step 2
Disconnect the power cable from the DC power source.
Step 3
Loosen the two captive screws on the bottom of the adapter from the power supply module.
Step 4
Slide the cover out from the terminal studs.
Step 5
Remove each power cable lug to the terminal studs with the flange locking nuts.
Step 6
Remove the flange locking nuts to each of the terminal studs.
Step 7
Remove the clear plastic cover protecting the terminal studs on the adapter. Slide the cover
off of the adapter.
Step 8
Disconnect the power cable lug from the terminal studs.
Make sure to remove the ground connection
last
when removing power.
F.1.3
Removing Power Supply Blank
The power supply blank is screwed on. Use the appropriate screw driver for your switch.
Step 1
Put on a grounded, anti-static ESD strap.
1
Status LED
3
Ejector button
2
Release lever