This attribute indicates the OSI Usage State of the component.
The value idle indicates that the component is not currently in use.
The value active indicates that the component is in use and has
spare capacity to provide for additional users.
The value busy indicates that the component is in use and has no
spare operating capacity for additional users at this time.
The OSI Status attributes, if supported by the component, may
provide more details, qualifying the state of the component.