The current version of the standard is TIA-232-F Interface Between Data Terminal Equipment and Data Circuit-Terminating Equipment Employing Serial Binary Data Interchange, issued in 1997. The standard defines the electrical characteristics and timing of signals, the meaning of signals, and the physical size and pinout of connectors. It formally defines signals connecting between a DTE ( data terminal equipment) such as a computer terminal, and a DCE ( data circuit-terminating equipment or data communication equipment), such as a modem. In telecommunications, RS-232 or Recommended Standard 232 is a standard originally introduced in 1960 for serial communication transmission of data. Data circuit-terminating equipment (DCE) and data terminal equipment (DTE) network.
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