A method and apparatus of selectively applying a particular label from a plurality of different types of labels includes providing a label application apparatus that is adapted to selectively apply at least one of a plurality of different types of labels to an article. The method includes: passing power saving information between the ONU and the OLT through an extended Operation Administration and Maintenance frame; closingopening an optical module of the ONU based on the obtained power saving information. The subdivisions may be distinguishable by features such as watermarks that do not affect the way in which the digital representation is normally used.