Converter device for interconnecting systems having different communication standards
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United States of America Patent
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Nov 28, 1989
Grant Date -
N/A
app pub date -
Apr 1, 1988
filing date -
Apr 1, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A converter device for converting signals between an RS-232 device and an RS-422 device. The converter device can either be self-powered, using signals at the I/O port of the RS-232 device to derive its operating voltages, or can be powered by an external voltage source when the I/O signals are not of sufficient magnitude to derive the operating voltages or there are a large number of devices connected in parallel by the converter device.
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