NEC 5800/180Ra-7 Manuale Utente

This subsection describes how to install an optional Disk Expansion Unit (DEU)
into the tower cabinet, see Figure 4-71.

To reduce the risk of personal injury or damage to the
equipment, a minimum of two people MUST lift the DEU into
the tower cabinet. The DEU weighs 50 pounds (22.6
kilograms

1.  Observe the safety and ESD precautions listed at the beginning of this

chapter.

2.  Open the front door to the tower cabinet.

3.  Terminate all applications and power down the BSU and DEU. Powering

down the BSU will also power down the DEU.

4.  Tag and remove all cables connected to the BSU and DEU.

5.  Remove the four screws securing the blank panel to the mounting rails at the

bottom of the tower cabinet and remove the blank panel.

6.  Install the DEU into the tower cabinet (see Figure 4-72), as follows:

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With one person grasping each side of the DEU, carefully align the
DEU with the bottom of the tower cabinet.

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Slide the DEU towards the rear of the cabinet.

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Secure the DEU to the tower cabinet with four Phillips head M5 screws.