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Introducing the HP 2920 Switches
Backs of the Switches
Backs of the Switches
The backs of all the HP 2920 switches are the same.
Figure 1-7. Back of the HP 2920 Switch
Power Supplies
There is a single slot for power supplies that can be installed into the HP 2920
switches. These power supplies are installed:
■ HP X331 165W 100-240VAC to 12VDC PS (J9739A) -- a 165 watt power
supply for the HP 2920 non-PoE switches. The 165 watt power supply does
not provide any PoE/PoE+ power. The 165 watt power supply is keyed
such that it does not fit into the HP 2920 PoE+ switches.
■ HP X332 550W 100-240VAC to 54VDC PS (J9738A) -- a 575 watt power
supply for the HP 2920 PoE+ switches. The 575 watt power supply
provides PoE/PoE+ power. The 575 watt power supply is keyed such that
it does not fit into the non-PoE switches.
Power Connector
The HP 2920 switches do not have a power switch; they are powered on when
connected to an active AC power source. These switches automatically adjust
to any voltage between 100-127 or 200-240 volts and either 50 or 60 Hz. There
are no voltage range settings required.
Power Supply and
AC power connector
Grounding lug
mounting hole
10G Expansion
Module slots
XPS Connector
(future use)
Stacking Module
slot
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