Dell PowerEdge M1000e Rack Installation Guide - Page 24
Connecting and Bundling the Cables, Using the I/O Cable Enumerators - systems configuration guide
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3 Before attaching the cables to their respective connectors, see the instructions in "Connecting and Bundling the Cables" on page 22 and refer to Figure 1-9. Connecting and Bundling the Cables NOTICE: Ensure that each bundle of cables that you are connecting cascades over the strain-relief bar, allowing maximum airflow and serviceability for your system. 1 Create separate bundles of cables for each logical grouping of a maximum of eight I/O cables or power cables (see Figure 1-9). 2 Connect the topmost I/O cables, arranging them as they cascade over the strain-relief bar in an ordered row beginning with the top connector in the group (see Figure 1-9). 3 You can manage and organize your cables following the steps described in "Using the I/O Cable Enumerators" on page 22 before you use the Velcro tie wraps to secure each cable bundle to the strain-relief bar. NOTE: Figure 1-9 illustrates a fully loaded system configuration. If you are managing large numbers of cables, consider first identifying each cable group, attaching the enumerators, and then bundling each cable group with the Velcro tie wraps. Using the I/O Cable Enumerators 1 Locate the I/O cable enumerators that are included with your system (see Figure 1-1 and Figure 1-2). The purpose of the enumerator is to keep the sequence of cable connectors and their respective cables ordered and intact to facilitate easy removal and replacement of system modules. 2 For each group of eight cables, select the side numbered one and eight. For a group of 16 cables, you will need two enumerators numbered 1 and 8 and numbered 9 and 16 (see Figure 1-9). NOTE: Each enumerator is numbered 1 and 8 on one side and 9 and 16 on the opposite side. You will need one enumerator for a set of eight cables and two enumerators for a set of 16 cables. 3 Orient the enumerator horizontally to attach each of the cascading cables directly above the point of contact with the strain-relief bar (see Figure 1-9). 22 Rack Installation Guide