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14. Recommended RS-232 to RS-485 Converter
14.1 Athena Part# 223A001401 RS-232 to RS-485 Optically Isolated
Communications Converter
This product is used to convert unbalanced, full-duplex RS-232 signals to half-duplex (2-
wire) RS-485 signals. It also provides optical isolation of data lines and ground between
the RS-232 and RS-485 equipment.
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Includes 120 Vac to 12 Vdc power pack
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No handshaking required to control RS-485 driver
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Receiver disabled when transmitting to prevent echo back to the RS-232 device
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