Recent content by Charl9

Thank you. What would the 's" mean in DS-7732NXI-I4/16P/S? I have worked out the 77 is the later model, 32 is number of cameras it can take, NXI os the acusense body recognition and IP cams, I4 is 4 SATA drives, 16P is 16 x POE slots, but S remains a mystery.