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| Serial (RS-232C) |
RS-232 was first introduced in 1962, the C revision of the standard was
issued in 1969.
Serial originally used the DB25 25-pin D-sub port later the DE9 9-pin
D-sub was more commonly used.
The RS232C standard specifies a maximum baud rate of 115.2kbps.
One of the areas of use was for mouses in the 80's and 90's.
Today Serial has been replaced by USB. |
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