HP PROCURVE 2520 Manual de usuario descargar pdf (Pagina 249)

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Power Over Ethernet (PoE) Operation

Configuring PoE Operation

Table 11-1. Power Classes and Their Values

Power Class Value

0 Depends on cable type and PoE architecture. Maximum

power level output of 15.4 watts at the PSE.

This is the default class; if there isn’t enough information

about the load for a specific classification, the PSE

classifies the load as class 0 (zero).

1 Requires at least 4 watts at the PSE.

2 Requires at least 7 watts at the PSE.

3 15.4 watts

4 For PoE+

Maximum power level output of 30 watts at the PSE.

For example, to allocate by class for ports 6 - 8:

ProCurve(config)# int 6-8 PoE-allocate-by class

Manually Configuring PoE Power Levels

You can specify a power level (in watts) allocated for a port by using the value

option. This is the maximum amount of power that will be delivered.

To configure a port by value, first set the PoE allocation by entering the poe-

allocate-by value command:

ProCurve(config)# int 6 poe-allocate-by value

or in interface context:

ProCurve(eth-6)# poe-allocate-by value

Then select a value:

ProCurve(config)# int 6 poe-value 15

or in interface context:

ProCurve(eth-6)# poe-value 15

To view the settings, enter the show power-over-ethernet command:

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