[CQ-Contest]

[k8cc]

Rob,

The RS-232 interface for the TS-850 is a simple level converter.  Kenwood 
makes one called the IF-10D which is still listed for use with the TS-50, 
although the bigger radios like the TS-870 and TS-2000 appear to have it 
built in (like it SHOULD be).

Building such a level converter yourself is not a big project.  I built one 
for my TS-850 out of a recent version of the ARRL handbook.  FAR CIRCUITS 
here in the states offers a PCB for the Handbook design.  The interface 
wires to one of the accessory sockets on the back of the TS-850.  There is 
enough info in the Kenwood manual to figure out how to hook it up.

73,

Dave/K8CC


At 11:10 AM 7/6/01 +0100, Hammond Robert wrote:

>Dear Contesters
>
>         I went to hook up Rig control for my contest logger last night &
>gasp , shock , horror, looks like there's no RS232 interface on my TS850. I
>checked the manual & it says it's an optional extra. Does anyone know if
>this optional RS232 interface is a generic one for most Kenwood sets & where
>I could get one ( or if it's possible to make one from some sort of OEM
>RS232 Board). I'll start with Kenwood UK today but have a feeling they
>probably don't make them now ( not that I know as being licensed for only a
>year , I don't know when the 850 was introduced ). It comes at a time when I
>realise that rig control could really speed up my S&P speed using direct
>frequency entry on the Logger & scratch pad memories for frequencies. I'm
>also wondering approx how much they are. I have until next Thursday to get
>it sorted as I have 10 Antennas to get up for the IARU test on Friday. Any
>help appreciated..
>
>Cheers
>
>Rob Hammond MW5EPA
>
>
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