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[TRLog] TS-870 and TRlog

Subject: [TRLog] TS-870 and TRlog
From: n4vi@diac.com (Chris Adams)
Date: Thu, 11 Nov 1999 22:22:16 -0700
Don,

There was discussion on serial port communication problems re: TS870
some time ago and I did some experments for Tree.  I had never had a
problem since I had used a straight though 9 wire shielded cable from
Radio Shack.  However, someone else was having problems...  so I built a
3 wire cable and duplicated the problem.  As far as I know, the 870 is
the only Kenwood that requires  rts/cts to be hooked up (and perhaps
they changed that on later models). Here is the conclusions that were
reached at the time...


> 
> hi Tree,
> 
> I have run a few experiments and this is what I have discovered.
> 
> 
> 3 wire cable, radio hears but doesn't talk back ( for example, the rig
> responds quickly to a band change, etc but no frequency ever shows up on
> the TR screen, etc).
> 
> 3 wire cable with rts/cts shorted together at TS 870:  same as above
> 
> 5 wire cable with rts/cts wired through to computer: works (but we
> already knew that)
> 
> 
> So it does seem that the TS 870 serial port requires the 5 wire version.
> 


So it seems that a 5 wire serial port with rts/cts works.  



73's es gl

chris, n4vi




-
> 
> Date: Wed, 10 Nov 1999 20:49:02 -0800
> From: punkymcd@pacbell.net
> Subject: [TRLog] TS-870 and TRlog
> 
> Hi,
> How does one get TR to communicate with a KW TS-870?
> Any special tricks with the serial cable?
> Anyone with a diagram of the serial cable using DB9 to DB9?
> 
> 73, Don, W6OA
> 
>

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