Lenovo D1212, Hardware Installation And Maintenance Manual

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Chapter 3. Installation
This chapter contains the following items:
• “Introduction” on page 33
• “How to Plan Your Installation” on page 33
• “Prepare for Enclosure Installation” on page 34
• “Rack Mounting Rail Kit” on page 37
• “Module Installation” on page 40
• “Power Cord Connection” on page 40
• “Grounding Checks” on page 41
• “System Configurations” on page 41
Introduction
This chapter shows how to plan and install your enclosure system into an industry standard 19 inch rack
cabinet.
CAUTION:
To install the system, use only the power cords supplied or cords that match the specification quoted
in “AC Power Cords” on page 118.
How to Plan Your Installation
You must be familiar with the configuration requirements of your system before you start installation. For the
correct locations of each of the plug-in modules, see following figures:
• 2U12: Figure 14 “Module Locations (2U12)” on page 12.
• 2U24: Figure 15 “Module Locations (2U24)” on page 13.
• 5U84: Figure 18 “Module Locations” on page 15.
Important: Read this Hardware Installation and Maintenance Guide and prepare appropriate tool before
your installation.
Table 10. Configuration
Module Location
Drive Carrier Modules 2U enclosures only. ALL drive bays must hold either a
drive carrier or dummy drive carrier module. No bay
should be empty. At least one drive must be installed.
DDICs 5U enclosures only. 84 drives are located in the drawers.
Power Cooling Modules (PCMs) 2U enclosures only. Two PCMs provide full power
redundancy – this lets the system continue to operate
while a faulty PCM is replaced.
Power Supply Units (PSUs) 5U enclosures only. Power is provided by two 2214W
PSUs.
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