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Dell Cabling for PowerEdge R820 User's Manual

Summary

Technical white paper on cable routing best practices for the Dell PowerEdge R820 2U rack server from March 2012. Covers cabling with sliding rails and Cable Management Arm including cable connection, power cable strain relief routing, and CMA installation on both left and right sides. Also details power supply replacement procedures with CMA installed, plus cable routing without CMA for simplified deployments.

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Cable Routing Procedures for the Dell Power Edge R820 System

Cable Routing Procedures for the Dell™ Power Edge™ R820 System This Dell Technical White Paper explains the best practices for routing and securing the cables exiting the back of the R820 system.

Greg Henderson and Jose L. Flores

Data Center Infrastructure Engineering

March 2012

Page Summary Contents For Dell Cabling for PowerEdge R820 User's Manual

Page 1 Cable Routing Procedures for the Dell Power Edge R820 System Cable Routing Procedures for the Dell™ Power Edge™ R820 System This Dell Technical White Paper explains the best practices for routing and ...
Page 2 Cable Routing Procedures for the Dell Power Edge R820 System This document is for informational purposes only and may contain typographical errors and technical inaccuracies. The content is provided a...
Page 3 Cable Routing Procedures for the Dell Power Edge R820 System Contents Introduction ............................................................................................................. 4 Secti...
Page 4 Cable Routing Procedures for the Dell Power Edge R820 System Introduction This white paper covers recommended cable routing procedures for the Dell™ Power Edge™ R820 system in the following racks:  P...
Page 5 Cable Routing Procedures for the Dell Power Edge R820 System 1.2. Routing the power cables through the strain reliefs After you have installed the tray and cables, route the power cables through the s...
Page 6 Cable Routing Procedures for the Dell Power Edge R820 System 1.3.2. Left-side mounting instructions 1. Install the CMA on the rear left side of the rails by attaching both CMA housings to the attachme...
Page 7 Cable Routing Procedures for the Dell Power Edge R820 System Left-side mounted CMA installation (preferred) Figure 5. 1.3.3. Right-side mounting instructions Install the CMA on the rear right side of ...
Page 8 Cable Routing Procedures for the Dell Power Edge R820 System Section 2: Replacing a power supply on a Power Edge R820 system with a CMA 2.1. Replacing a power supply with a left-side mounted CMA 1. Sw...
Page 9 Cable Routing Procedures for the Dell Power Edge R820 System Disconnecting the CMA attachment housings Figure 7. Replacing the outer power supply Figure 8.
Page 10 Cable Routing Procedures for the Dell Power Edge R820 System Section 3: Cabling a Power Edge R820 system on sliding rails without a CMA NOTE: The CMA for the Power Edge R820 system is optional. Withou...
Page 11 Cable Routing Procedures for the Dell Power Edge R820 System Section 4: Cabling a Power Edge R820 system installed on static rails NOTE: The CMA is compatible only with the sliding rails, not the stat...