My 91 lines are feeding a passive multi switch, 2 in and 4 out. 2 of those outs go to a 3100 and 3100 the other 2 outs go to my SW44 which also has 2 lines coming from my 82 lnb. i then have 2 PVR's 5900 and a 6100 HD coming out of the SW44. All works fine. Still room for one more receiver.