| 摘要 |
A payload data generating portion generates payload data to be inserted into a frame structure of each of a TUG3/STS3 channel and a TUG2/VTG channel at a payload portion of a synchronous multiplexing frame. A payload structure setting portion sets a frame structure of each channel which is included payload data to be inserted into the payload portion to a desired structure according to arbitrary setting of an operating portion, including the TUG3/STS3 and TUG2/VTG channels. This setting portion also lists and displays in a desired mode on a display the frame structure of each channel including the payload data generated by the payload data generating portion, including the TUG3/STS3 and TUG2/VTG channels. A frame generating portion multiplexes the payload data and inserts the multiplexed data into the payload portion, and adds a header portion to the payload portion to generate the desired synchronous multiplexing frame.
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