Today's factoid - there is no RS-232!

[Terry McCarty - WA5NTI]

Karl -

Well ...  it will always be RS-232 in my old decrepit mind - at least I 
know that I will be understood when I say RS-232.

I think this falls in the same category as us hams operating CW with our 
telegraph keys.  

   1. It has always bothered me a little that Morse code is called CW
      (Continuous Wave), when it is actually about the most NON
      continuous wave I know of.
   2. Of course, with CW we are referring to the characteristic of the
      key down signal when no information is being transmitted. 
   3. However, based on that definition, AM, FM, and RTTY should all be
      called CW as well.  In fact, those are really the true CW modes,
      because they use a 100% key down carrier, a real continuous wave,
      whether they are transmitting any information or not.

-- 
     Terry McCarty
    3t3 at comcast.net
        wa5nti



Karl W4KRL wrote:

> The Electronic Industries Alliance (EIA) once labeled all its 
> standards with the prefix "RS" (Recommended Standard), but the EIA-TIA 
> officially replaced "RS" with "EIA/TIA" to help identify the origin of 
> its standards. The EIA has officially disbanded and the standard is 
> now maintained by the Telecommunications Industry Association (TIA). 
> The RS-485 standard is superseded by TIA-485, but often engineers and 
> applications guides continue to use the RS designation.
>
> Adapted from Wikipedia article on RS-485
>
> For an interesting list of EIA standards 
> see http://en.wikipedia.org/wiki/EIA_standards
>
> 73 Karl W4KRL
>
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