HP AlphaServer ES80 Installation Manual page 45

Connect each I/O cable to a CPU drawer as follows:
From the rear of the cabinet, slide out the appropriate CPU drawer.
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Remove the cable cover from the appropriate connector.
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Attach one end of the I/O cable to the connector.
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Slide the drawer back into the cabinet.
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For GS1280 systems, drape the cables on the CPU drawer cable support trays
as shown in Figure 3–11. For ES47 or ES80 systems, see Figure 3–12.
Cabling 3-21