video upload by Intellijel
"The Metropolix Backpack adds a 10-pin Intellijel Case MIDI connector to the rear of Metropolix, allowing Metropolix to interface directly with the MIDI and USB ports on Intellijel Performance and Palette cases.
When using the Metropolix Backpack, you can connect Metropolix directly to other MIDI hardware or your Computer/DAW via your Intellijel Case Jacks.
This accessory requires:
• Intellijel Metropolix
• Intellijel Performance or Palette Case
Intellijel Case Compatibility:
• Performance Case 7U x 104HP
(Full Size 5-Pin MIDI In/Out/Thru + USB-MIDI)
• Performance Case 7U x 84HP
(Full Size 5-Pin MIDI In/Out/Thru + USB-MIDI)
• Palette Case 4U x 104HP
(TRS MIDI In/Out + USB-MIDI)
• Palette Case 4U x 62HP
(TRS MIDI In + USB-MIDI, Note: no TRS Out)"
"Sequence via MIDI from your Eurorack system

Intellijel 4U Palette Cases — TRS MIDI IN and OUT**, USB MIDI
Intellijel 7U Performance Cases — 5-Pin MIDI In, Out and Thru, USB MIDI
* Please note—the Intellijel case MIDI Jacks can only be connected to a single module: MIDI 1U, Metropolix w/ Backpack, μMIDI 1U (legacy).
** MIDI TRS OUT not available on the 62hp 4U Palette.
Metropolix w/ MIDI
MIDI on Metropolix does not interfere with classic CV/GATE modulate usage, it plays alongside it. Sequence your favourite modules, hardware synths, and software plugins all at the same time.
MIDI Clock In and Out — Integrate an external MIDI Clock Sync from other hardware or your DAW, or sync everything else with the Metropolix Clock and modulate the BPM.
MIDI Output from the iconic Metropolix Sequencer—
Output MIDI Notes and CC Modulation from both Tracks
Output CC Modulation from 8 Mod Lanes.
Deep support for configuring Slide (Glide/Portamento) for any synth.
The Backpack offers the same MIDI functionality as Metropolix Solo , but using the Jacks on your Intellijel Case. [see Intellijel Metropolix Solo - Desktop Sequencer with MIDI]
Tucked away
The Backpack is mounted directly onto the power header of Metropolix and secured with a screw.
The USB port is extended and connected with an included cable.
Full Installation instructions in covered in the updated Metropolix 1.5 Manual.
NOTE: With the Backpack installed, you can not connect the GX expander"
Check with dealers on the right for availability.