Switch for the TRS MIDI output jack
A hardware switch on the device will let you swap between Type-A and Type-B for the hardware MIDI TRS output jack.
Products That Use Type-A mini TRS Jack Connections - ADDAC System products - Arturia BeatStep (not to be confused with the BeatStep Pro) - Dirtywave M8 - IK Multimedia products - inMusic (Akai) products - Korg products - Line 6 products - little Bits w5 MIDI module - Make Noise 0-Coast
Products That Use Type-B mini TRS Jack Connections - Arturia BeatStep Pro - Novation products - Polyend products - 1010music products (Original Series 1 modules, Series 2 modules, Blackbox, MX4, nanobox serie, and Euroshield)
See https://minimidi.world or https://1010music.com/stereo-minijacks-midi-connections-compatibility-guide for more information