| 摘要 |
PROBLEM TO BE SOLVED: To enable plural users to simultaneously view and to cope with plural services. SOLUTION: An input optical signal is detected by an optical receiver 10 and demultiplexed into plural unit channel signals by a signal demultiplexer 11. In a switch circuit 12, the desired unit channel signal is selected out of plural unit channel signals and inputted to interface parts 2 and 3. At the respective interface parts 2 and 3, the desired program is selected out of the inputted unit channel signals and outputted to the outside of subscriber side optical reception equipment. At the interface parts 2 and 3, the program is respectively independently selected. |
