Replacing the Power Supply Module
Statement 31
56
NE2572 Installation Guide
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.