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Also keep in mind that a rack full of equipment is extremely heavy.
DANGER
Heavy equipmentpersonal injury or equipment damage might result if mishandled.
• The following general precautions should be observed, even though the power-on steps differ slightly
from the directions that you will follow for this product:
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 Lenovo supplied a power cord(s), connect power to this unit only with the Lenovo provided
power cord. Do not use the Lenovo 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:
1. Turn off everything (unless instructed otherwise).
2. Remove the power cords from the outlets.
3. Remove the signal cables from the connectors.
4. Remove all cables from the devices.
To connect:
.
Chapter 1
Before you begin the installation
3
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