| 摘要 |
Electronic peripheral control and supply circuit for autonomous data processing unit and unit constituted with it. Level converter circuit, in an application which further includes a magnetic card reader, a data terminal, a thermal label printer and a rechargeable battery, in which the circuit supplies a controlled voltage to peripherals and individually connects locally both to a PC, HOST or similar computer, and to the rest of the peripherals of the application, by means of TTL signals from the terminal included with it in the case, DTR for the printer and CTS for the magnetic strip. <IMAGE>
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