Lenovo Storage D1212 Hardware Installation And Maintenance Manual page 18

Statement 30
CAUTION:
To reduce the risk of electric shock or energy hazards:
• This equipment must be installed by trained service personnel in a restricted-access location, as
defined by the NEC and IEC 60950-1, First Edition, The Standard for Safety of Information
Technology Equipment.
• Connect the equipment to a reliably grounded safety extra low voltage (SELV) source. An SELV
source is a secondary circuit that is designed so that normal and single fault conditions do not
cause the voltages to exceed a safe level (60 V direct current).
• The branch circuit overcurrent protection must be rated 20 A.
• Use 12 American Wire Gauge (AWG) or 2.5 mm
length.
• Incorporate a readily available approved and rated disconnect device in the field wiring.
Statement 32
CAUTION:
To avoid personal injury, before lifting the unit, remove all the blades, power supplies, and removable
modules to reduce the weight.
108 kg
(237 lbs)
Statement 33
Statement 33 illustrations and caution statement for disconnecting all power cords.
CAUTION: This device does not provide a power control button. Removing power supply modules or turning off
the server blades does not turn off the electrical current supplied to the device. The device also might have
more than one power cord. To remove all electrical current from the device, ensure that all power cords are
disconnected from the power source.
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Lenovo Storage D1212/D1224/D3284Hardware Installation and Maintenance Guide
2
copper conductor only, not exceeding 4.5 meters in
(2X)
(6X)
(4X)
43.2 kg
(4X) (95 lbs)