FW: [Yaesu] CAT Interface

[Brian K. Short]

1) CW keying can be accomplished from the same port as CAT
   (I prefer to use LPT ports and also use the N6TR PTT, and
    keyer paddle inputs)
2) Yaesu FIF-232 does not include CW keying (sold one w/FT-980)
3) Have built numerous variations on the level converter theme
   a) old 1488/1489 requiring dual polarity supply
   b) MAX-232 with single 5v supply
   c) 2 transistor with no supply required
   d) combinations of above
4) Homebrew level converters worked with FT-990, FT-890, FT-736,
   FRG-9600, Icom versions for R-7000 and IC-706
5) Wired CAT interfaces are available from many sources these days
6) Likewise for CW keying (e.g. LTA has CW w/paddle input and
   DVK output for LPT port at $45 303-565-9950), but I built my own
7) Common LPT port pin assignment are available on my www pages:
      http://www.primenet.com/~ke7gh
8) Can supply simple schematic(s) on request for CAT
9) I am GLAD the FT-1000MP has builtin RS-232, new trend I hope!

Let me know if I can be of further assistance, ke7gh@contesting.com

>>I'm thinking about purchasing the CAT interface for use with a FT-900.
>>Will the interface key CW when I'm using CT or TR?  Or do I need a
>>separate interface for that?



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