Page 2 - Cable Routing Procedures for the Dell PowerEdge R820 System
Cable Routing Procedures for the Dell PowerEdge R820 System 2 This document is for informational purposes only and may contain typographical errors and technical inaccuracies. The content is provided as is, without express or implied warranties of any kind. © 2012 Dell Inc. All rights reserved. Dell...
Page 3 - Contents
Cable Routing Procedures for the Dell PowerEdge R820 System 3 Contents Introduction ............................................................................................................. 4 Section 1: Cabling a PowerEdge R820 system on sliding rails with a CMA ....................................
Page 4 - Introduction; Best Practices Guide for Rack; Connecting the cables to the system; Attach the CMA tray to the back of the rails as described in the; System with cables installed
Cable Routing Procedures for the Dell PowerEdge R820 System 4 Introduction This white paper covers recommended cable routing procedures for the Dell™ PowerEdge™ R820 system in the following racks: PowerEdge 2410, 4210 PowerEdge 2420, 4220, 4820 (including wide and deep versions) PowerEdge Ener...
Page 5 - Routing the power cables through the strain reliefs; Routing power cables through the strain reliefs; Installing the CMA; CMA; Installing the inner CMA attachment bracket; As described in the; Attaching the inner CMA attachment bracket
Cable Routing Procedures for the Dell PowerEdge R820 System 5 1.2. Routing the power cables through the strain reliefs After you have installed the tray and cables, route the power cables through the strain reliefs located on the power supply handles as shown in Figure 2. Routing power cables throug...
Page 6 - Left-side mounting instructions; Do not store excess cable
Cable Routing Procedures for the Dell PowerEdge R820 System 6 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 attachment brackets on the rails. 2. Route the cables through the CMA while avoiding twisting the cables. U...
Page 7 - Right-side mounting instructions
Cable Routing Procedures for the Dell PowerEdge R820 System 7 Left-side mounted CMA installation (preferred) Figure 5. 1.3.3. Right-side mounting instructions Install the CMA on the rear right side of the rails by attaching both CMA housings to the attachment brackets on the rails. The remaining ste...
Page 8 - Replacing a power supply with a left-side mounted CMA; Replacing a power supply with a right-side mounted CMA; CMA Installation Instructions
Cable Routing Procedures for the Dell PowerEdge R820 System 8 Section 2: Replacing a power supply on a PowerEdge R820 system with a CMA 2.1. Replacing a power supply with a left-side mounted CMA 1. Swing the CMA to its service position as described in the CMA Installation Instructions provided with ...
Page 9 - Disconnecting the CMA attachment housings
Cable Routing Procedures for the Dell PowerEdge R820 System 9 Disconnecting the CMA attachment housings Figure 7. Replacing the outer power supply Figure 8.
Page 10 - Routing the cables; Rack Installation; Cable routing without a CMA; Removing the outer CMA brackets for shallow racks
Cable Routing Procedures for the Dell PowerEdge R820 System 10 Section 3: Cabling a PowerEdge R820 system on sliding rails without a CMA NOTE: The CMA for the PowerEdge R820 system is optional. Without the CMA installed, the system must be powered down and all cables disconnected before it can be ex...
Page 11 - Cabling a system installed in static rails
Cable Routing Procedures for the Dell PowerEdge R820 System 11 Section 4: Cabling a PowerEdge R820 system installed on static rails NOTE: The CMA is compatible only with the sliding rails, not the static rails. 1. Follow the instructions contained in the Rack Installation Instructions found in the s...