1-15
Introduction
PoE Capabilities of the Products
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For more information, refer to the
Management and Configuration Guide
which is on the ProCurve Web site. To display the list of downloadable
manuals, click on the following link:
www.hp.com/go/procurve/manuals
(You may want to bookmark this Web page for easy access in the future.)
The dual-personality ports have either auto-sensing 10/100/1000Base-T RJ-45
or mini-GBIC connectivity. The mini-GBIC ports do not support PoE. If any of
the mini-GBIC ports are used the corresponding RJ-45 port will not be supplied
with PoE power.
Power Redundancy for the 3500yl PWR Switches
The internal power supply in these switches provides both the 12V (RPS) and
50V (EPS) circuits. If the 50V portion of the power supply fails, it will only shut
down the PoE connections. However, if the 12V portion of the power supply
fails, it will shut down the entire switch. Therefore it is important to provide
a redundant power supply for both the 12V and 50V circuits. It is recommended
that both EPS and RPS be connected to provide full redundancy.
The 3500yl-PWR Switches can be connected to a 620 RPS/EPS and receive full
redundant power from the RPS part of the unit for switch operation if the
internal power supply in the switch fails. If two switches are connected to the
RPS ports and both switches lose power at the same time, they both receive
redundant power. The 620 RPS/EPS unit can provide all the power necessary
to keep two switches running.
If maximum PoE power is to be used on all 48 ports, it becomes necessary to
connect a 620 RPS/EPS, since the internal power supply only has enough
power to supply 24 ports with maximum wattage. In this case, there is no
redundancy.
HP ProCurve 3500yl-PoE+ Switches
The HP ProCurve Switch 3500yl-48G-PoE+ (J9311A), has 44 Integrated PoE
auto-sensing 10/100/1000Base-T RJ-45 ports with four dual-personality Gigabit
Uplink ports.
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