OTU frame data generating apparatus and method in which multiframe structured data to be inserted into overhead portion can be easily edited

摘要

An overhead data generating unit stores and generates the non-multiframe structured data and the multiframe structured data to be inserted into the overhead portion of an OTU frame. The overhead data generating unit includes a memory which stores the multiframe structured data corresponding to sequence numbers in each multiframe unit of 256 frames (or the number of frames of ½ or ¼ thereof) from 0 to 255 which are needed for completing a set of meaningful data for each predetermined data item. An editing unit reads at least the multiframe structured data corresponding to the sequence numbers, and causes to list-display each multiframe in order of the sequence numbers to a display unit, and carries out editing processing in each multiframe unit with respect to the multiframe structured data in accordance with an arbitrary setting by an operating unit.