[amsat-bb] Re: Help interface CAT, TS790 SATPC32

Erich Eichmann erich.eichmann at t-online.de
Tue Jan 19 03:57:11 PST 2010

Hello Roberto,
In the sub folder "Kenwood" in the SatPC32 program folder you will find a
schematic (IF-232c.gif) that shows the pin numbering and  wiring between the
TS-790's CAT connector (ACC1)  and the Kenwood IF-232c and between the
IF-232c and the PC's DB9/DB25 serial port.

I had to disconnect  the CTS and RTS lines between the interface and PC to
get CAT steering working. Please read the "Hints(Radio) .... Kenwood Users",
sect. B for detailed hints.
The file can be opened from the SatPC32 menu "?".

Also, I have a homemade CAT interface (cheap and easy to build). You will
find the schematic
in the sub folder "Kenwood" in the SatPC32 program folder (TS790Cat.gif). It
works flawlessly.

73s, Erich, DK1TB

----- Original Message ----- 
From: <iw5bsf at alice.it>
To: <amsat-bb at amsat.org>
Sent: Sunday, January 17, 2010 11:13 PM
Subject: [amsat-bb] Help interface CAT, TS790 SATPC32

> Hello, is looking for the schematich 232  interface for taking the CAT
> connetor TS790.
> 73 de IW5BSF Roberto
> Coordinatore A.R.I Satelliti
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