Cable Routing Procedures for Dell™ PowerEdge™ R310 & R410 SystemsPage 31.2 Installing the Inner CMA Attachment BracketAs described in theRack 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 2.Figure 2: Attaching the Inner CMA Attachment Bracket1.3 Routing the Power Cables Through the Strain ReliefsAfter you have installed the tray and cables, route the power cables through the strain reliefs locatedon the power supply handles as shown in Figure 3.Figure 3: Routing Power Cables Through the Strain Reliefs1.4 Routing the Cables Through the CMAYou can install the CMA on either the rear right or rear left side of the rails. Mounting the CMA on theside that is opposite of the power supplies (left-side mount) is recommended; otherwise, the CMAmust be disconnected, to some extent, in order to remove the power supplies. Refer to Section 3 fordetails on power supply replacement.