| RS or Recommended Standard-232,
also known as EIA232 standard, is a standard for computer data
communications introduced in 1960
by EIA. Today, the majority of all
personal computers have the capability of utilizing this form of
data communications. The RS-232 standard supports two types of
connectors, the 25 pin DB-25 connector and the 9 pin DB-9 connector.
RS-232 has had three revisions, including RS-232C, RS-232D
(EIA232D) and EIA232E.
Also see: DCE, DTE,
RS-232, RS-422, RS-423,
RS-449, RS-485, Serial
Port
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