F8R Output Expander adds 3 TRS midi outputs (multiples of the MIDI out of the 8m), 3 fully buffered I2C TRS headers, and an optional 1x3 TRS Through. I2C: The 3 I2C outputs are buffered and allow for long distance connections to other devices. They are all multiples of the I2C output of the 8m. MIDI: MIDI Out: Single Output from 8m. If nothing is plugged into this jack, the MIDI data is forwarded to the 1x3 MIDI through. MIDI IN: MIDI input to the 1x3 MIDI through, connecting an input will disconnect the MIDI out from the 8m. This input can accept TRS MIDI A or B cables Multiple MIDI Outs: Fully buffered midi outs Product Specs Item Number: 15111 Make: Michigan Synth Works Model: F8R/XVI Expander v2.1 - Black Condition: Brand New Finish: Black Categories: keyboards-and-synths ⇒ eurorack Function: Expander Made In: United States MPN: 8m Fader Bank Expander Modular Grid: Eurorack ⓘ + Dimensions*: 2 HP 22 mm deep Power*: Module does not draw current * User contributed details