Current operational sub-type of the PME. Possible values are: ieee2BaseTLO - PME operates as 2BaseTL-O ieee2BaseTLR - PME operates as 2BaseTL-R ieee10PassTSO - PME operates as 10PassTS-O ieee10PassTSR - PME operates as 10PassTS-R The operational sub type of the PME can be configured via efmCuPmeAdminSubType variable. If a Clause 45 MDIO Interface to the PMA/PMD is present, then this object combines values of the Port sub-type select bits, the PMA/PMD type selection bits in the 10P/2B PMA/PMD control register and the PMA/PMD link status bits in the 10P/2B PMA/PMD status register.