I have my KB37 working on
OS X El Capitan OSX 10.11.6
Mac Pro (Early 2008) 2x2.8 Quad-Core / 32GB
Logic X 10.2.4
Line6 Monkey 1.73.0
with POD Farm 2 2.59
by just following the POD StudioTM & TonePortTM MIDI Setup Guide.
As a Midi Keyboard controller
as a transport control
also as an I/O