MIDI 4-Way Distribution Unit

dist1.jpg (21470 bytes)

The MIDI 4-way unit consists of:

  •  a 2.1mm power socket, on/off switch, and associated LED, and 9v battery connector
  •  a MIDI 5-pin DIN input socket
  •  4 off MIDI 5-pin DIN output sockets
  •  Active electronic Schmitt trigger inverters, which clean-up the MIDI  signal
  • An opto-coupled MIDI input

 

Schematic circuit diagram for the 4-way MIDI distribution unit.

MIDI 4-Way Distribution Unit

Expansion:

The MIDI relay units can be combined and expanded using the 4-way Midi distribution unit so that a single MIDI input can be fed to multiple MIDI relay units.

An example of a  MIDI distribution expansion schematic.

 

 

 

 

 

TOM SCARFF
1 Martello Court
Portmarnock
Dublin
Ireland.


Email: tscarff@eircom.net