This object indicates whether the Powered Device attached
to the interface is an IEEE compliant Powered Device or not.
A value of 'true' indicates the attached Powered Device is
an IEEE compliant Powered Device.
A value of 'false' indicates the attached Powered Device
is not an IEEE compliant Powered Device. This also means
that the value of the corresponding object from the
pethPsePortTable, pethPsePortPowerClassifications is
irrelevant.