I'd rather do it on a console, but apparently those cables are some real garbage too, tons of reviews on amazon saying they crap out after a few months. So that's cool
Instrument cables, in general crap out from use. The RS cable is no different.
An instrument coupler like this:
Plus a regular instrument cable like this:
Should ensure the RS cable keeps working for a very long time.
-keep the RS cable next to your system and run the coupler+regular cable from there to your guitar and your done. Should never need to touch (or move) the RS cable again.
I did this setup about a week after buying the original Rocksmith and I'm still using the original RS cable w/out issues (over 6 years now). The regular instrument cable though... well, I've had to switch that out a few times.