What are the standards that conform the EIA-232F interface standard??

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The EIA-232F interface standard is actually a composite of several other standards: the ITU V.28 standard, which defines EIA-232F's electrical component; the ISO 2110 standard, which defines the mechanical component; and the ITU V.24 standard, which defines the functional and procedural components.The electrical component of EIA-232F incorporates ITU's V.28 standard, which describes the electrical characteristics for a connection between the DTE and DCE. With the V.28 standard, voltage levels are detected at the receiving DCE (modem) by the relative voltage difference between two different wires. A voltage difference of more than +3 volts is considered to be a value of binary 1, and a voltage difference of more negative than -3 volts is considered to be a value of binary 0.
EIA-232F incorporates the ISO 2110 standard to define its mechanical component. ISO 2110 precisely defines the size and configuration of a 25-pin connector (DB-25). More recently, computers have been using a smaller connector, the DB-9.?

Computer Science & Information Technology

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