Thank you very much for detailed reply. It looks like a bit out of my hands...

--- In Doepfer_a100@yahoogroups.com , Florian Anwander <fanwander@...> wrote:
>
> Hello,
>
> the cable you describe converts only from V-Gate to S-Trigger, but not
> the other way around.
>
> A S-Trigger to Gate converter looks a little different. As example check
>
> http://www.xmission.com/~dingebre/Trigger_Converter_4x12_1.1.pdf
>
> The circuit in the most left row is the Gate->S-Trigger as you know it
> from the Doepfer page.
> The circuit in the second row is S-Trigger->Gate
>
> As you can see, you need supply voltage for this. So the best advice is
> to build this circuit either as additional Output into the MS-20 or as
> additional into the DE.
>
> Florian
>