[GreenKeys] Interface Standards History

[Brooke Clarke]

Hi Sam:

It's my understanding that RS-232 is an agreement to not have a spec.

Have Fun,

Brooke Clarke
http://www.prc68.com

Sam Hallas wrote:
> Don Robert House wrote:
>>  RS-232 was a Rural Electrification Act Standard... It was replaced by 
> Electronics Industries Association EIA-232D at
>>  some point.  The latest version of the standard is EIA-232F
> 
> Thanks, Don. The corresponding International Standards are V24 and V28 
> defining the signal voltage and the pin functions.
> 
> I think some Greeenkeyers were thinking that RS232 defiined more than it 
> actually does. Things such as number of bits, speed (baud rate), and 
> protocol are not part of the interface. It's much more basic than that - 
> just a hardware definition.
> 
> Cheers,
> Sam
> 
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