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Options applicable to control enclosures
__ • Fibre Channel cables
__ • SAS cables
__ • Drives
__ • Power cords for connection to wall sockets
Identify the hardware components
Before you install your system, review and identify the hardware components and port locations for the
control enclosure and expansion enclosure on the system.
Control enclosure components
Data ports
Direct current power supply units
Some enclosure models run in a direct current (DC) power environment rather than the alternating
current (AC) environment required by the other models in the range.
This topic describes the additional information you need to know when using the DC power models.
DANGER:
Hazardous voltage, current, or energy levels are present inside any component that has this label
attached. Do not open any cover or barrier that contains this label. (L001)
DANGER: When working on or around the system, observe the following precautions:
Electrical voltage and current from power, telephone, and communication cables are hazardous.
To avoid a shock hazard:
• If IBM supplied a power cord(s), connect power to this unit only with the IBM provided power
cord. Do not use the IBM provided power cord for any other product.
• Do not open or service any power supply assembly.
• Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration
of this product during an electrical storm.
• The product might be equipped with multiple power cords. To remove all hazardous voltages,
disconnect all power cords.
• Connect all power cords to a properly wired and grounded electrical outlet. Ensure that the
outlet supplies proper voltage and phase rotation according to the system rating plate.
• Connect any equipment that will be attached to this product to properly wired outlets.
• When possible, use one hand only to connect or disconnect signal cables.
• Never turn on any equipment when there is evidence of fire, water, or structural damage.
• Disconnect the attached power cords, telecommunications systems, networks, and modems
before you open the device covers, unless instructed otherwise in the installation and
configuration procedures.
• Connect and disconnect cables as described in the following procedures when installing,
moving, or opening covers on this product or attached devices.
To disconnect:
Chapter 3. Before you begin the installation 15
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