Midi I/O; Card Slots - JLCooper Electronics MCS-3800 User's Reference Manual

MIDI In and Out
Connect the MIDI Out to the MIDI In of the System you are
controlling.
Connect the MIDI In to the MIDI Out of the System you are
controlling.
If a computer-based system, this will be connected to the
computer's MIDI Interface.
If a non-computer based system, you may want to connect the
MIDI In and MIDI Out to a MIDI Patch Bay (Such as the
JLCooper Synapse) to distribute the commands throughout the
system.
(The Synapse is a Assignable MIDI Patch Bay / Processor, with
16 MIDI Inputs and 20 MIDI Outputs.)
Card Slots #1 and #2
Connection of Optional Cards are covered in their own
manual.
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