[Elecraft] NG0R - K2+K60XV+XV144/222/432 - Setup Issue

[John Hoaglun]

Hi Peter & the list,

That was my initial first guess too.  I looked at the numbers in the
molded plastic (since it is accurate on both sides) and then tested them
with a DVM to make sure that they matched at all four ends (K2, 144,
222, 432) and they do.  I need to go run a couple of errands this
afternoon. Just for grins I will stop at RShack and see if they have a
couple of DP9's on the shelf. If so I will likely make up a quick cable
that I can use for direct K2 to one transverter for bench testing. (I am
crossing my fingers that it is something simple like that.)

FYI... I just went back to the work bench, swapped the JP7 & JP8 jumpers
and then disabled the DIP that controls the resistor network for the TRN
address, power cycled them and all three transverters respond as
expected.  Of course I would prefer to use them with the K2 for auto
switching so I will need to figure this out.

Please keep sending me your ideas. I will see if I can get the parts to
make a test cable this afternoon. (50 miles round trip for 2 DB9...
becomes an expensive part.)

73
-- 
John Hoaglun
NG0R - EN25
http://www.hoaglun.com



On Sun, 2010-08-15 at 11:48 -0500, Peter Wollan wrote:

> My K2 - XV50 setup did this -- the transverter didn't respond to the
> K2 commands in any way, but powered up independently.  In my case, it
> was that I had soldered up the cable with one DB9 connector
> mirror-imaged, so no surprise it didn't work.
> 
> DB9 pin numbers are printed in the plastic, inside the back of the
> male and on the front of the female.  The diagram in the manual is
> only labeled with pin numbers in one place -- each color wire goes to
> the same pin number on the next connector.
> 
> If it's something else, I can't help.
> 
>     Peter W0LLN
> 
> On Sun, Aug 15, 2010 at 11:08 AM, John Hoaglun <john at hoaglun.com> wrote:
> > I am in need of a little bit of guidance for where to start looking.....
> >
> (...)
> >
> (...)
> > I have built the custom serial cable snake and it tests out fine with
> > the DVM on pins 1,6,8,9.
> >
> > When I change the jumpers on the transverters to the K2 specs and hookup
> > the serial cable and then select either the 144 or 222 transverter
> > nothing occurs. I am expecting that the front panel light of the
> > transverter should be activated when that band is selected via the band
> > up/down buttons on the K2 when appropriate.
> >
> > What am I am missing? It is like the K2 is not selecting the
> > transverters via the serial cable.
> (...)