Actual current operational status of the port. This object is
related to the nbsCmmcPortEnableAdmin object, where users
specify the administrative operational status desired.
The value notSupported (1) indicates that the port has no ability to
disable the transceiver.
The value disable (2) indicates that this port's transceiver is not
allowing traffic to flow through this port.
The value enable (3) indicates that this port's transceiver allows
traffic flow.