FIELD: data processing devices.
SUBSTANCE: i/o device can be used in devices for manual data input/output. Device has keyboard mounted on panel, radiation receiver/ source couples, two reserved channels for data processing, which channels have decoder, switches and optical module, control bus, data bus and microcontroller. Radiation receivers and radiation sources are placed in case of optical module.
EFFECT: improved noise immunity; reduced power consumption; prolonged service life.
5 cl, 4 dwg
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