HP J9979A Installation And Getting Started Manual page 21

Installing the Switch
Installation Procedure
HP 1820 24- and 48-Port Switches
Connect the power cord to the switch
and an AC power outlet
HP 1820-8G Switch
Connect wall plug-in AC/DC power adapter
to the switch and an AC power outlet
HP 1820-8G-PoE+ Switch
Connect inline AC/DC power adapter to the
switch and an AC power outlet
N o t e
The HP 1820 24- and 48-port switches do not have a power switch. They are
powered on when the power cord is connected to the switch and to a power
source. For safety, the power outlet should be located near the switch
installation.
The switches automatically adjusts to any voltage between 100-127 or 200-240
volts and either 50 or 60 Hz. There are no voltage range settings required.
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