IBM 0551, Manual

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4. Determine where you will locate the expansion unit in the rack. See “Determining the location.” This
expansion unit is 4 Electronic Industries Alliance (EIA) units high. An EIA unit is 1.75 in (44.45 mm)
in height. The rack contains three mounting holes for each EIA unit of height.
5. Mark the location. See “Marking the location using rack-mounting template” on page 95. If you do
not have the rack-mounting template, see “Marking the location without a rack-mounting template”
on page 95.
Completing a parts inventory
You might need to complete a parts inventory. Use the procedure in this section to perform this task.
If you have not done so, complete a parts inventory before proceeding with the installation:
1.
Locate the kitting report in an accessory box.
2. Ensure that you received all the parts that were ordered.
If there are incorrect, missing or damaged parts, contact:
v
Your IBM reseller
v
IBM Rochester Manufacturing Automated Information Line at 1-800-300-8751 (United States only)
v Directory of worldwide contacts Web site at http://www.ibm.com/planetwide (Locate your
service and support telephone numbers.)
Determining the location
You might need to determine where to install an expansion unit in the rack. Use these procedures to
perform these tasks either with or without the aid of a rack-mounting template
Before installing the expansion unit into a rack, complete the following steps:
1. Read the “Rack safety notices” on page 106.
Figure 94. Parts inventory
Chapter 3. Installing a system or expansion unit into a rack
93