My apologies if I gave it incorrect information. I was going off of personal experience from around 2019ish. I would have to look up old posts but When I first got my Dahua system from Andy (NVR5216-16P-4ks2E x 1, T5442TM-ZE x 3, T5442TM-AS x 1, T2431T-AS x 2, EW5531-AS x 1), I was having issues...