maybe try this:
(look at this on a fixed width font like courier)
FCB101 -> midi thru box (1:2) -> repeater01 midi in
|
\-----> \
| Midi merge box (2:1) ---> repeater02 midi in
repeater01 midi out -> /
you'll need a midi thru box like:
http://www.philrees.co.uk/thruq.htm
http://www.midisolutions.com/prodthr.htm
http://www.digitraxx.com/hwusbacthru1x4.html
you'd need a basic 2x1 midi merge box like:
http://www.philrees.co.uk/products/mergebox.htm
http://www.midi-classics.com/h/h1025.htm
http://www.forefront.freeserve.co.uk/ft8.htm
http://www.midisolutions.com/prodmrg.htm
Jon