PowerEdge: Wiring instructions for a DC power supply unit

Summary: This article provides some checklist to prevent unnecessary components replacement on DC power supply implementation.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Instructions

Need to know information:

wiring instructions 


input requirements 


required tools 


assembling

 

assembling

 

assembling DV input power wire

 

 assembling 



Checklist:


The figures below show an example of not following the wiring best practices missing the ground cable. 

PSU 

psu cable 



The figures below shows the best practice wiring:

psu cable 

psu cable 



Use the figure below to verify the correct position of the cables: 
how to cable 

 

Affected Products

PowerEdge XR2, OEMR R540, OEMR R640, OEMR R740, OEMR R740xd, OEMR R7415, OEMR R7425, OEMR R7515, OEMR R840, OEMR R940, OEMR R940xa, OEMR XR4000r, OEMR XR4000z, OEMR XR8000r, PowerEdge R470, PowerEdge R540, PowerEdge R570, PowerEdge R640 , PowerEdge R6515, PowerEdge R670, PowerEdge R6715, PowerEdge R6725, PowerEdge R740, PowerEdge R740XD, PowerEdge R7415, PowerEdge R7425, PowerEdge R7515, PowerEdge R770, PowerEdge R7715, PowerEdge R7725, PowerEdge R840, PowerEdge R940, PowerEdge R940xa, PowerEdge XR4000r, PowerEdge XR4000z ...
Article Properties
Article Number: 000221234
Article Type: How To
Last Modified: 27 مايو 2026
Version:  4
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.