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'RS-232' (Recommended Standard 232) is a Standard American format for serial data transmission by cable, such as from computer terminal to modem.

RS-232 transmission utilizes a distinctive 25-pin connector, but under most circumstances only a few of the 25 conductors are used.

RS-232 was adopted as a standard for serial binary data signals connecting between a DTE (Data terminal equipment) and a DCE (Data Circuit-terminating Equipment). It is commonly used in computer serial ports. RS-232 is similar to the ITU-T standard 'V.24'. The International Telecommunications Union (ITU), which is closely associated with the United Nations (UN), issues various standards for telecommunication systems and equipment for use in all countries which support the UN and ITU.

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RS232 cable is associated with serial functions

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14y ago
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Q: What is the function of RS232?
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