[Elecraft] serial cable connected to the K2 by accident

[Guido Tedeschi]

You can also build this simple optocoupled interface:
http://www.hamlan.org/tech/k2optocat/k2optocat.htm
Ciao and 73
Guido, ik2bcp


2007/5/31, Dr. Werner Furlan <furlan at gmx.net>:
> hi David,
>
> On 30 May 2007 at 22:27, David Woolley wrote:
>
> > > What normally happens is that you blow the auxbus, and end up with a
> > > dead radio. Since yours still works, you probably got away with it.
> > > Perhaps there was nothing connected to that pin on your cable.
> >
> > That sounds like an accident waiting to happen!
>
> >From Don I got the advice to key the female DB9 connector at Pin 4 - not
> used on the K2. (I put a short piece of thin plastic into the hole and fixed it
> with super glue)
> That's what I did. I had to remove Pin 4 on the male DB9 serial cable with
> only Pin 2,3 and 5 wired.
>
> By the way, tonight the serial com2 on my PC died - that's worse because
> there is no chance to repair the mainboard. (this was just coincidental, I did
> not connect anything wrong to this comport.)
>
> 73! de Werner
> OE9FWV
>
>
>
>
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>
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