Installing The Support Rails - IBM DS4200 Installation, User's, And Maintenance Manual

v To ensure rack stability, load the rack starting at the bottom.
v If you install multiple components in the rack, do not overload the power outlets.
v Always connect the storage subsystem to a properly grounded outlet.
v Always connect the IBM-certified rack power distribution units (PDUs) to at least
Complete the following steps to prepare the rack cabinet before you install the
DS4200 Express:
1. Move, unpack, and level the rack at the installation site (if needed).
2. Remove the external rack panels.
3. If necessary, stop all I/O activity to the devices in the rack.
4. If necessary, turn off all drive enclosure and rack power. Disconnect existing
5. Install any additional interface cables and power cables.
After you have completed these steps, continue with "Installing the support rails."

Installing the support rails

Attention:
Appendix B, "Rack mounting template," on page 147. If you want to tear out the
templates from this document for easier use, use the copies in Appendix B, "Rack
mounting template," on page 147 rather than the copies provided in this section.
Use the following templates (Figure 11 on page 29 and Figure 12 on page 30) to
identify the proper locations for inserting M5 screws when mounting the support
rails and DS4200 Express Storage Subsystem to a rack cabinet. The locations for
the M5 screws are highlighted in the templates.
Hold the appropriate template up to each side of the rack cabinet at the 3-U section
where you will install theDS4200 Express. U boundaries are shown as horizontal
dashed lines in the rack mounting templates. The highlighted squares on each side
of the template mark the positions where you will thread the M5 screws that secure
the rails and the DS4200 Express to the front and rear of the cabinet.
Note: The mounting holes that are shown in the following templates are square.
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IBM System Storage DS4200 Express Storage Subsystem: Installation, User's and Maintenance Guide
two independent power circuits or sources.
power, network, and other external cables.
Duplicate copies of the rack mounting templates are provided in
The holes in your rack might be round, square, or threaded.