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Power Supply
Statement 5
Statement 31
© Copyright Lenovo 2018
The rear panel of the NE2572O has two bays for hot‐swap power supply modules.
Each power supply module has an individual IEC 320 C14 power connector. The
power cord attaches to a universal grounded AC power source.
Compatible power options are listed in the Lenovo Networking Catalog.
CAUTION:
The power control button on the device and the power switch on the power
supply do 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.
DANGER
Electrical current from power, telephone, and communication cables is hazardous.
To avoid a shock hazard:
Do not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during an electrical storm.
Connect all power cords to a properly wired and grounded power source.
Connect to properly wired power sources any equipment that will be
attached to this product.
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 ac power cords, dc power sources, network
connections, telecommunications systems, and serial cables before you
open the device covers, unless instructed otherwise in the installation and
configuration procedures.
Connect and disconnect cables as described in the following table when
you install, move, or open covers on this product or attached devices.
Chapter 2: Switch Components
25
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