I have an emerson commander sk VFD that I would like to back up all of the parameters on (including the 32 bit parameters that can't be accessed from the vfd display)

I have The Emerson CTsoft program that is required to backup/make changes to VFD parameters. What I do not have is the Ct Comms cable that is req'd to establish communications with the VFD. Emersons part number for this cable is 4500-0087, but they want around $200 for it which seems outrageous.

Has anyone made there own cable for this? Or if possible can anyone provide a diagram and list of parts needed to make one?

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