| 摘要 |
A data input terminal device is configured to be connected via a communication cable with a host computer from one of two connectors each associated with a distinct communications interface. The data terminal input device is configured to select the appropriate communications interface without additional intervention by a user. An interface selecting means selects the appropriate communications interface by detecting a connection state between the host computer and one of the two communication interfaces, and selecting the appropriate communications interface based on the detection result.
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