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The RS-232 to RS-485/422 converter as an interface between an RS-232
device and RS-485 or RS-422 bus. The connection is illustrated as fol-
lows:
The following signals received on the RS-232 interface are converted to
RS-485 bus signals:
Pin# Signal Name Input/Output
2 TX Data Output
3 RX Data Input
7 Clear To Send Input