Power Over Ethernet (PoE) Operation
Power Availability and Provisioning
Port Priority
Setting
Configuration Command
1
and Resulting Operation
9 - 12 High This priority class receives power only if all PDs on ports with a Critical priority setting are
receiving full power. If there is not enough power to provision PDs on all ports with a High
priority, then no power goes to ports with a Low priority. If there is enough power to provision
PDs on only some of the “High” ports, then power is allocated to the “High” ports in ascending
order, beginning, in this example, with port 9, until all available power is in use. For this
example, the CLI command to set ports to “High” is:
ProCurve(config)# interface e 9-12 power high
1 - 8 Low This priority class receives power only if all PDs on ports with High and Critical priority
settings are receiving power. If there is enough power to provision PDs on only some Low
priority ports, then power is allocated to the ports in ascending order, beginning with the
lowest-numbered port in the class (port 1, in this case), until all available power is in use. For
this example, the CLI command to set ports to “Low”
2
is:
ProCurve(config)# interface e 1-8 power low
13 - 24 - n/a - For this example, PoE is disabled on these ports. The CLI command for this setting is:
ProCurve(config)# no interface e 13-24 power
1
For a listing of PoE configuration commands, with descriptions, refer to “Configuring PoE Operation” on page 11-7.
2
In the default PoE configuration, the ports are already set to the low priority. In this case, the command is not necessary.
11-6
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