4-5
Planning and Implementation for the Series 5400zl Switch
Planning Your PoE Configuration
Planning and
Implementation for the
Series 5400zl Switch
ProCurve 5406zl Configurations
The table in each example configuration contains entries that show the PoE
power available for the PoE modules.
Figure 4-1. Example of a 5406zl with one power supply, J8712A
In this example there is one J8712A power supply supplying 273 watts for PoE
usage.
To achieve the 16 ports at 15.4 watts the PoE devices must be divided up and
connected to two different modules. Remember, as soon as a module is
installed into the switch, 22 watts is reserved for its use.
In order to use those watts, devices must be connected to that module or PoE
power must be disabled to all ports on that module.
If PoE power is disabled to all ports on a module the 22 watts that was reserved
for that module is returned to the pool of available watts and can be used by
another module’s ports.
14 ports on module A and 2 ports on module B
can receive up to 15.4 watts of PoE power
Front
Back
Power Supply
J8712A
273 Watts
for PoE
Source of Power Watts Available # of Ports Powered and Average Watts/
Port
Redundant # of Ports Powered and
Average Watts/Port
Single Internal
Power Supply
(J8712A)
273 • 16 @ average 15.4 W
• 39 @ average 7.0 W each
• 68 @ average 4.0 W each
None
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