RS232

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Die RS232 (Recommended Standard 232) Schnittstelle beschreibt den Standard für eine serielle Schnittstelle welche heute meistens nur noch als Service oder Konfigurationsschnittstelle verwendet wird. Die Datenrate ist stark von der Leitungslänge abhängig, beträgt aber maximal 115.2 kBd.

Die Übertragung erfolgt asymmetrisch und reagiert stark auf Gleichtaktstörungen. Als Steckverbinder werden meist 9 polige D-Sub Varianten verwendet.

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