RS-232

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What is DCE and DTE?

DCE stands for Device Communications Equipment.

DTE stands for Device Terminal Equipment.

Signal	DCE	DTE
RX	out	in
TX	in	out
CTS	out	in
RTS	in	out

Resources


Pin-out	http://www.db9-pinout.com/db9-pinout/db9-pinout.gif

References

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