PSW111 subwoofer LFE connector Red or White?

Just bought the PSW111 subwoofer. The manual is not clear which connector is for LFE connection to my Denon AVR. Is it the - Red or White connector- using single RCa cable to sub out on my AVR?

Also I have the sub on Auto but the light never turns off, shouldn’t the light be off when the AVR is off?
Thanks you for your help