Backs Of The Switches; Power Supplies; Power Connector - HP 2920 Installation And Getting Started Manual

Backs of the Switches

The backs of all the HP 2920 switches are the same.
Figure 1-7. Back of the HP 2920 Switch
Grounding lug
mounting hole

Power Supplies

There is a single slot for power supplies that can be installed into the HP 2920
switches. These power supplies are installed:
■
■

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.
10G Expansion
Module slots
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.
Introducing the HP 2920 Switches
XPS Connector
(future use)
Stacking Module
slot
Backs of the Switches
Power Supply and
AC power connector
1-13