ocr: MidiBox Common dents Computers +5V +5V Data Computer To 2412 C Street 141 14 - 8 Meridian, MS39301 MIDI Out1 5- 220 12 18450413 LS04 71 7400 7 Data From 5+ 220 10 111 / Computer 3 OLSO4 MIDI Out2 180 +5V 1K 4 1N914 Ground From Toa add a third (or more) Midi Out, just 2K2 Computer, 4 duplicate one ofthe sections above ysing a spare gate ofthe LS04... also use another 1800 resistor for the +5 feedto Pin 4TO2K7 each 2 added Midic connector(S).. R1* U3 8 (NC) Data to 270 2 3 6 Computer Midi In 6 (1)r U280 5 4 1N914 3 5 5 Mini-DIN Connector Pinouts for 6N136 (New Macs) Pinouts.. +12V Convertfor old ...