The entPhysicalIndex of the device.
The meaning of this object is associated with the management state
which from hh3cLicenseInstallType.
Note that:
1) hh3cLicenseInstallType is installInChassis.
This object represents the entPhysicalIndex of the local active MPU.
2) hh3cLicenseInstallType is installInSlot.
This object represents the entPhysicalIndex of MPU boards.
3) hh3cLicenseInstallType is installInCPU.
This object represents the entPhysicalIndex of the CPUs on an MPU board.