Doepfer

Thank you Dieter!   That is the confirmation that I was looking for.

On 1/7/13 6:25 AM, yahoo@doepfer.de wrote:
>  
>
> You may simply connect the "hot" midi output signal (i.e. not the GND pin)
> of the first module to the "hot" midi input of the second module.
> Connecting
> the GND is not required as the GND connection is made via the A-100 bus.
> That way the second module received the same Midi signal as the first
> module
> because the Midi output is nothing but Midi thru unless the "stack
> mode" is
> not used. Only the "stacked" Midi notes are missing at the Midi output.
>
> Best wishes
> Dieter Doepfer
>
> > -----Ursprüngliche Nachricht-----
> > Von: Doepfer_a100@yahoogroups.com
> <mailto:Doepfer_a100%40yahoogroups.com>
> > [mailto:Doepfer_a100@yahoogroups.com
> <mailto:Doepfer_a100%40yahoogroups.com>]Im Auftrag von David Kaiser
> > Gesendet: Dienstag, 1. Januar 2013 01:33
> > An: Doepfer_a100@yahoogroups.com <mailto:Doepfer_a100%40yahoogroups.com>
> > Betreff: [Doepfer_a100] Question about daisy-chain of MIDI modules
> >
> >
> > I have a A-190-3 USB/Midi to CV interface
> > (http://www.doepfer.de/a1903.htm), and recently picked up a A-190-2 Midi
> > to CV interface (http://www.doepfer.de/a1902.htm) as well.
> >
> > I'm hoping to daisy-chain the serial MIDI data between the two modules,
> > so I can use one MIDI (or USB) cable to my rack, train the 190-3 for one
> > MIDI channel, and train the 190-2 for another MIDI channel, but only use
> > a single MIDI cable as input to my rack for both modules.
> >
> > The Doepfer web site offers an 'excerpt' or single-page of the A-190-3
> > manual (the "p13" PDF). It has two "jumpers" (dual pins), JP5 for MIDI
> > OUT, and JP6 for MIDI In. And it looks that a 2-wire cable can be used
> > for serial transfer like MIDI.
> >
> >
> > In the PDF for the A-190-2, there is one jumper set, JP5, with only two
> > pins. It is labeled for both MIDI IN and MIDI OUT.
> >
> > I'm assuming the serial data used in both devices is raw MIDI
> > (transmit/receive) as you would see through signal analysis of a
> > MIDI cable.
> >
> > Is there a recommended approach to use JP5 (MIDI OUT) from the A-190-3
> > and lead it to only one pin of JP5 on the A-190-2 for MIDI IN purposes?
> >
> > In the A-190-3 PDF
> > (http://www.doepfer.de/a100_man/A190_3_Manual_p13.pdf) one pin of each
> > JP5 and JP6 is marked with a 'T' symbol, and this pin is soldered to the
> > ground plane on the circuit board.
> >
> > Does the A-190-3 module tie the 'T'-marked pins of JP5/JP6 to frame
> > ground through the A-100 System cable?
> >
> > Is the frame ground how to make up for the lack of the second wire on
> > the A-190-2?
> >
> > I am going to try doing a one-wire daisy chain between the A-190-3 out
> > to the A-190-2. Will it work? Has anyone confirmed this?
> >
> > Thanks for any help, and have a Happy New Year!
> >
> > David
> >
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
>
> 



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