| 摘要 |
To provide the communication cable that enables to replace the communication media with an optical signal and increase the communication speed, while assuring the compatibility with the already-widespread telecommunication method. A communication cable used for connecting a plurality of electronic appliances, as well as for conducting communication of information with standardized telecommunication method, wherein the electric signal that is output from one of the electronic appliance is converted to the optical signal with one of the optical module, and is transmitted to the other optical module via the optical transmission medium, and then the optical signal is converted back to the electric signal with the other optical module and is output to the other electric appliance.
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