CAUTION:
Do not place any object weighing more than 50 kg (110 lb) on top of rack-mounted devices.
>50 kg (110 lb)
Statement 24
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, Third 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 at a minimum of 12 A to a maximum of 15
A.
• Use 14 American Wire Gauge (AWG) or 2.5 mm
2
copper conductor only, not exceeding 3 meters in
length.
• Torque the wiring-terminal screws to 12 inch-pounds (1.4 newton-meters).
• Incorporate a readily available approved and rated disconnect device in the field wiring.
Statement 25
CAUTION:
This product contains a Class 1M laser. Do not view directly with optical instruments.
Statement 26
CAUTION:
Do not place any object on top of rack-mounted devices.
xiv
Lenovo Storage D1212/D1224/D3284Hardware Installation and Maintenance Guide
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