Installation and User's Guide

Installing the storage unit in a rack

The storage unit requires 3U (5.25 in) of Electronic Industries Association (EIA) rack-mounting space.

Attention: Static electricity, though harmless to you, can seriously damage storage unit components or options. See Handling electrostatic discharge-sensitive devices for details.

Important: Review the documentation that comes with your rack enclosure for safety and cabling considerations. When installing your storage unit in a rack, take the following precautions:

• Read "Removing CRUs" about making the storage unit easier to handle.
• Install the storage unit in a maximum 35 degree C environment.
• To ensure proper air flow, do not block the air vents; usually 15 cm (6 inches) of air space is sufficient.

  Note:

  Because of the limited space in some racks, it might be easier to connect and route cables before you install the mounting brackets and hardware devices.

• To ensure stability, take precautions to prevent uneven loading of the rack. Loading of the rack should begin at the bottom.
• Turn off the power to your rack.
• When multiple components are installed in a rack, take precautions to prevent overloading of the power outlets.
• The storage unit should always be connected to a properly grounded outlet.
• Refer to the rack documentation for instructions on removing the rack enclosure doors and side panels.

Use the rack-mounting template and installation instructions that come with the storage unit to locate the rack-mounting holes and to install the unit in a rack cabinet. If you do not have the template and instructions, you can use the following steps to install your storage unit:

1. Use the following illustration of the front and rear rack mounting flanges to determine the appropriate rack-mounting holes for installing cage nuts or clip nuts to secure the storage unit rails. From left to right, the illustration shows the front and rear flanges respectively.
   
   

   Note:

   Use clip nuts if your rack has holes. If your rack has square holes, you can use the rack-insertion tool or a flat-blade screwdriver to install cage nuts.

   
   

2. On the rail marked R, loosen the four screws(2).
3. Hold the rail against the outside of the right rack-mounting flange, and loosely insert the two front M6 screws (1).
4. Extend the rail outside of the rear rack-mounting flange; then, install and tighten two rear M6 screws (3).
5. Tighten the two front screws (1); then, tighten the four screws (2).

   Repeat step 2 through step 5 to install the rail marked L on the left side of the rack.
   
   

6. Loosely insert one M5 screw (1) into each rail.
   
   
   

   Statement 4
   >=18 kg (37 lb)	>=32 kg (70.5 lb)	>=55 kg (121.2 lb)
   Caution: Use safe practices when lifting.

7. Slide the storage unit into the rack, and insert the M6 screws (1). Do not overtighten the M6 (1) screws.

   
   
   

8. Tighten the rear screws (2).
9. Verify that option switches 1 and 2 (inside the switch card) are set to Off. See "Setting the interface options and ID settings" for more information.
10. Install hard disk drives and power supplies in the storage unit according to "Installing and replacing devices"; then, return here to complete the installation.
11. Continue with "Completing the installation".