I've had a working SWM setup for about the last year now and tonight I come home and none of my receivers can get any signal whatsoever (2xHR21, 1xHR22, 1XH21).
The setup is:
Slimline-5 -> SWM-8 -> PI-28 -> SWS-8 -> Receivers
I did some rewiring and removed the SWS-8 I had in there and could...