Does anyone know the pinout? I have an RJ45 connector crimper and spare USB cables and would like to make my own rather than buying one (particularly since I'm flat broke from buying the Tower of Power).
Just to answer my own question in two parts:
1. Blichmann makes nothing that's inexpensive.
2. The cable is more than just an ugly USB to RJ45 hack - it's got some kind of USB to RS485 hardware on board.