Dell PowerEdge PDU Managed LED Manual

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Contents

Dell PowerEdge PDU Managed LED Manual Manual pdf 5 page image

Cable Routing Procedures for Dell PowerEdge R320 & R420 Systems51.2. Routing the power cables through the strain reliefsAfter you have installed the tray and cables, route the power cable(s) through the strain relief(s)located on the power supply handle(s) as shown in Figures 2 & 3.Routing power cables through the strain reliefs on hot swap power suppliesFigure 2.Routing the power cable through the strain relief on a fixed power supplyFigure 3.1.3. Installing the CMAThe CMA can be installed on either the rear right or rear left side of the rails as described in the CMAInstallation Instructions. Mounting the CMA on the side that is opposite of the power supplies (left-sidemount) is recommended for systems with hot swap power supplies; otherwise, the CMA must bepartially disconnected in order to remove the outer power supply. Refer to Section 2 for details onpower supply replacement.NOTE: If you are installing fiber-optic cables in the CMA, a cable bend radius of at least 1 inch must bemaintained throughout the length of the cable. It is recommended that fiber-optic cables be routed onthe exterior of the cable bundle to increase the bend radius of the fiber-optic cables through the CMA.Additionally, a large amount of slack at the entrance and exit of the CMA is recommended.1.3.1. Installing the inner CMA attachment bracketAs described in the CMA Installation Instructions, locate and attach the appropriate inner CMAattachment bracket based on which side you wish to mount the CMA. Use the bracket marked “A” formounting the CMA on the left side, and the bracket marked “B” for mounting on the right side. SeeFigure 4.