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The DS4200 Express comes with a rack-mounting hardware kit for installing it in a
rack. It is easier to lift the DS4200 Express and install it in a rack cabinet if you
remove all the CRUs first. You will need an antistatic wrist strap and a cart or level
surface (to hold the CRUs). Observe the precautions listed in "Handling
static-sensitive devices" on page 25. In the following procedure, you will remove the
following CRUs from the storage subsystem before you install it in the rack:
v Controllers
v Power supply and fan units
v Hot-swap EV-DDMs
You do not need to remove the blank trays.
Statement 4:
≥ 18 kg (39.7 lb)
CAUTION:
Use safe practices when lifting.
Attention:
The storage subsystem comes with a bezel that is attached to the front
of the unit. The bezel protects the light pipes that are located above the drive trays.
Leave the protective bezel in place until you are instructed to remove it.
Removing a controller
Complete the following steps to remove a controller:
1. Squeeze the controller latch and pull the lever open 90° (so that the lever is
horizontal) to release the controller from the latch. The controller latch is a coral
colored tab on the lever.
Note: The lever rotates upward or downward 90°, depending on whether the
controller you are removing is the right or left controller CRU.
2. Slowly pull the lever away from the chassis to remove the controller from the
bay, as shown in Figure 14 on page 34.
≥ 32 kg (70.5 lb)
Chapter 2. Installing the storage subsystem
≥ 55 kg (121.2 lb)
33
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