Hi, here are some of my experience with RB153. I bought 2x RB 153, 3x CM9, 1x CM10, 2x power supply 48V/30W, 2x passive PoE, some pigtails.... I staarted a testing on the table with CM9+CM10. RB was freezing every while. I put the CM10 away (maybe bad card). Fine - 2x CM9 is working well. (CM10 had ...