bit rates for transmission, although the standard says it is intended for bit rates lower than 20,000 bits per second.protocols for error detection or algorithms for data compression.the framing of characters in the data stream (bits per character, start/stop bits, parity).character encoding (for example, ASCII, Baudot code or EBCDIC).The standard does not define such elements as Standard subsets of interface circuits for selected telecom applications.Functions of each circuit in the interface connector.Interface mechanical characteristics, pluggable connectors and pin identification.Electrical signal characteristics such as voltage levels, signaling rate, timing and slew-rate of signals, voltage withstand level, short-circuit behavior, and maximum load capacitance.The Electronics Industries Association (EIA) standard RS-232-C as of 1969 defines: It is commonly used in computer serial ports. In telecommunications, RS-232 (Recommended Standard 232) is a standard for serial binary data signals connecting between a DTE (Data Terminal Equipment) and a DCE (Data Circuit-terminating Equipment).
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