HP ProCurve zl Series User Manual

4-8
Planning and Implementation for the Series 5400zl Switch
Planning Your PoE Configuration
Planning and
Implementation for the
Series 5400zl Switch
Figure 4-4. Example of a 5406zl with two power supplies, J8713A
This configuration is an example of two power supplies supplying 900 watts
each for a maximum of 1800 watts to a fully loaded chassis of 144 ports.
Therefore out of the total 144 available ports, 116 can be powered at 15.4 watts
each.
Or, one power supply could be used to supply PoE power at 900 watts and the
other power supply could be used as a secondary power supply. If both power
supplies are connected to different power sources, one could backup the other
in case of failure. With this option the user must manage the PoE usage in
order to maintain redundancy.
In this example the threshold command could be set at 50%, and if the switch
begins to use more than 900 watts an event message would be logged. Thereby
allowing you to adjust the PoE load or add a Power Supply Shelf for additional
power as required to obtain the best power balance for your operation.
Connecting a fully loaded external power supply can double the available PoE
power. See page 4-10.
Power Supply
J8713A
Front
900 Watts
for PoE
900 Watts
for PoE
Source of Power Watts Available # of Ports Powered and Average
Watts/Port
Redundant # of Ports Powered and
Average Watts/Port
Two Internal PoE
Power Supplies
(J8713A)
1800 (without
redundancy)
• 116 @ average 15.4 W each
• 144 @ average 7.0 W each
• 144 @ average 4.0 W each
• 58 @ average 15.4 W each
• 116 @ average 7.0 W each
• 144 @ average 4.0 W each
Two External
Power Supplies
(J8713A)
Additional 1800 • 144 @ average 15.4 W each
• 144 @ average 7.0 W each
• 144 @ average 4.0 W each
• 116 @ average 15.4 W each
• 144 @ average 7.0 W each
• 144 @ average 4.0 W each

HP ProCurve zl Series Specifications

General

Brand	HP
Model	ProCurve zl Series
Category	Switch
Language	English