A point-to-point serial data protocol. The interface between data terminal equipment and data circuitterminating equipment employing serial binary data interchange. It supports a half-duplex mode of operation with one driver and one receiver. At a cable length of 15m (50ft), RS-232 supports a data rate of up to 19.2kbps. At its maximum cable length of 900m (3,000ft), it supports a data rate of 2.4kbps.
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