| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine using an optical adapter capable of regulating a transmission direction of an optical signal by a fiber-optic cable in one direction to prevent in advance a transmission of a fraudulent signal in an inverse direction.SOLUTION: The game machine includes an optical adapter 2000 for connecting two fiber-optic cables 100. The optical adapter 2000 includes: a housing 2100 having two insertion ports 2102 in which plug connectors 1000A of the two fiber-optic cables 100 can be respectively inserted; and unidirectional transmission means 2202 disposed so as to face the tip end of respective plug connectors 1000A with the plug connectors 1000A of the two fiber-optic cables 100 inside a housing 2100 being inserted into two insertion ports 2102 to transmit an optical signal to one direction. |
