(CA-033) MIDI 1.0 Electrical Specification Update [2014]

Scope and location

Exact named pinout variant only; not capability or compatibility approval.

p. 2, Figure 1 'MIDI OUT Circuit' and side notes ('Pin 2 must be tied to ground on the MIDI transmitter only'); p. 3, 'MIDI Device Connectors' (pins 1 and 3 not used; shield options); p. 3, 'MIDI Device Connectors' text ('Note that pins 1 and 3 are not used, and should be left unconnected in the receiver and transmitter'); p. 3, Figure 2 'MIDI IN and THRU circuit'; p. 3, Figure 2 'MIDI IN and THRU circuit' (IN half) and 'MIDI Device Connectors' text; p. 3, Figure 2 'MIDI IN and THRU circuit', Optional MIDI Thru Circuit (RE to pin 4, RF to pin 5, pin 2 to ground); pp. 3-4, 'MIDI Cable' text and Figure 3 (shield connected only to pin 2 at both ends)

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2026-10-20

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