| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a data transfer system for adjusting the video signal output level of a subscriber device at a subscriber side. <P>SOLUTION: In this data transfer system 1, in which subscriber devices 40 are connected through an optical fiber to station devices 10 and 20, and a video signal 101 and a data signal 102 which are to be respectively output from the station devices 10 and 20 are multiplexed and distributed to the plurality of subscriber terminals 40; and the subscriber device 40 is provided with: WDM filters 41 and 42 for demultiplexing a multiplexed signal 103 into a video signal 104 and a data signal 106; a GE-PON function part 46 for converting the demultiplexed data signal 106, and for outputting it to a PC34, and for outputting a GPIO signal 108 for controlling the output level of the video signal 104; and a video signal processing part 44 for adjusting the output level of the demultiplexed video signal 104, based on the GPIO signal 108. <P>COPYRIGHT: (C)2010,JPO&INPIT |
