I have a 13-pin cable from over fifteen years ago (still works), but sometime in the interim period, Roland changed their manufacturing/materials; sadly, not for the better. It works, and it?s useable, but the construction/material of the cable means it?s not very flexible (in comparison to the old cable), and has memory.
As I said, it works?it does what it?s supposed to?but your mileage may vary. (I wish there was an alternative short of soldering 13-pin DIN connectors yourself.)