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Dell Cabling PowerEdge R910 Owner's Manual and User Guide

Summary

Technical white paper for Dell PowerEdge R910 cable routing procedures. Covers cabling with and without Cable Management Arm (CMA), including power cable routing, strain reliefs, and left-side/right-side mounting instructions. Provides datacenter cable organization best practices. Target users: Datacenter engineers and IT professionals deploying PowerEdge R910 servers.

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Cable Routing Procedures for Dell™ Power Edge™ R910 Systems

A Dell™ Technical White Paper

Dell™ │ Datacenter Infrastructure Engineering

By Chris Kitten and Jose L. Flores

March 2010

Page Summary Contents For Dell Cabling PowerEdge R910 Owner's Manual and User Guide

Page 1 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems A Dell™ Technical White Paper Dell™ │ Datacenter Infrastructure Engineering By Chris Kitten and Jose L. Flores March 2010
Page 2 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems THIS WHITE PAPER IS FOR INFORMATIONAL PURPOSES ONLY, AND MAY CONTAIN TYPOGRAPHICAL ERRORS AND TECHNICAL INACCURACIES. THE CONTENT IS PROVIDE...
Page 3 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems Contents Introduction .........................................................................................................................
Page 4 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems Introduction This white paper covers recommended cable routing procedures for Dell™ Power Edge™ R910 systems in the following racks: • Power...
Page 5 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems 1.2 Routing the Power Cables Through the Strain Reliefs After you have installed the tray and cables, route the power cables through the str...
Page 6 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems Figure 3: Routing the Cables Through the CMA NOTE: Do not store excess cable slack inside the CMA. The cable may protrude through the CMA, t...
Page 7 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems 1.5 Right-Side Mounting Instructions 1. Install the CMA on the rear right side of the rails by attaching both CMA housings to the attachment...
Page 8 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems Section 2: Cabling a Dell™ Power Edge™ R910 System Without a CMA NOTE: The CMA on Dell™ Power Edge™ R910 systems is optional. Without the CM...
Page 9 Cable Routing Procedures for Dell™ Power Edge™ R910 Systems Section 3: Replacing a Power Supply on a Power Edge™ R910 System With a CMA NOTE: The steps described below apply to the bottom two power su...

Manual Details

Brand Dell
Pages 9
File Size 517.45 KB
Published June 27, 2026
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Frequently Asked Questions

Does the CMA allow for service without downtime?

Yes, using the optional Cable Management Arm (CMA), you can extend the system from the rack for service without powering down or disconnecting cables.

What systems are covered by these routing procedures?

These white papers cover recommended cable routing for Dell PowerEdge R910 in models like powerEdge 4210, 2410, 4220, and 2420.

How is a power supply replaced with a CMA installed?

To replace the bottom power supply, swing the CMA to its service position, disconnect the power cord/strain relief, replace the unit, reconnect the cable, and return the CMA to closed position.

What do I do if my rack is shallow?

If you are dealing with a shallow rack, refer to procedures for removing the CMA brackets (Section 2, Figure 7).