Unfortunately, the carabiner attaches to just the PFA111 adapter, the very portion getting threaded out by the PTZ's motions. After thread locking, I did leave the cable in place. No particular reason to remove the stainless steel cable.
Here is the camera safely suspended for one-man connection of the wiring.
BTW, don't worry that those sheathing pieces are holding any weight. It's actually lagged into some more substantial wood above that decorative sheathing.